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xemu/tcg/tcg-op-gvec.c
Richard Henderson 5ee5c14cac tcg: Add gvec expanders for variable shift 
The gvec expanders perform a modulo on the shift count.  If the target
requires alternate behaviour, then it cannot use the generic gvec
expanders anyway, and will have to have its own custom code.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-13 22:52:08 +00:00

2919 lines
91 KiB
C
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/*
* Generic vector operation expansion
*
* Copyright (c) 2018 Linaro
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "tcg.h"
#include "tcg-op.h"
#include "tcg-op-gvec.h"
#include "tcg-gvec-desc.h"
#define MAX_UNROLL 4
#ifdef CONFIG_DEBUG_TCG
static const TCGOpcode vecop_list_empty[1] = { 0 };
#else
#define vecop_list_empty NULL
#endif
/* Verify vector size and alignment rules. OFS should be the OR of all
of the operand offsets so that we can check them all at once. */
static void check_size_align(uint32_t oprsz, uint32_t maxsz, uint32_t ofs)
{
uint32_t opr_align = oprsz >= 16 ? 15 : 7;
uint32_t max_align = maxsz >= 16 || oprsz >= 16 ? 15 : 7;
tcg_debug_assert(oprsz > 0);
tcg_debug_assert(oprsz <= maxsz);
tcg_debug_assert((oprsz & opr_align) == 0);
tcg_debug_assert((maxsz & max_align) == 0);
tcg_debug_assert((ofs & max_align) == 0);
}
/* Verify vector overlap rules for two operands. */
static void check_overlap_2(uint32_t d, uint32_t a, uint32_t s)
{
tcg_debug_assert(d == a || d + s <= a || a + s <= d);
}
/* Verify vector overlap rules for three operands. */
static void check_overlap_3(uint32_t d, uint32_t a, uint32_t b, uint32_t s)
{
check_overlap_2(d, a, s);
check_overlap_2(d, b, s);
check_overlap_2(a, b, s);
}
/* Verify vector overlap rules for four operands. */
static void check_overlap_4(uint32_t d, uint32_t a, uint32_t b,
uint32_t c, uint32_t s)
{
check_overlap_2(d, a, s);
check_overlap_2(d, b, s);
check_overlap_2(d, c, s);
check_overlap_2(a, b, s);
check_overlap_2(a, c, s);
check_overlap_2(b, c, s);
}
/* Create a descriptor from components. */
uint32_t simd_desc(uint32_t oprsz, uint32_t maxsz, int32_t data)
{
uint32_t desc = 0;
assert(oprsz % 8 == 0 && oprsz <= (8 << SIMD_OPRSZ_BITS));
assert(maxsz % 8 == 0 && maxsz <= (8 << SIMD_MAXSZ_BITS));
assert(data == sextract32(data, 0, SIMD_DATA_BITS));
oprsz = (oprsz / 8) - 1;
maxsz = (maxsz / 8) - 1;
desc = deposit32(desc, SIMD_OPRSZ_SHIFT, SIMD_OPRSZ_BITS, oprsz);
desc = deposit32(desc, SIMD_MAXSZ_SHIFT, SIMD_MAXSZ_BITS, maxsz);
desc = deposit32(desc, SIMD_DATA_SHIFT, SIMD_DATA_BITS, data);
return desc;
}
/* Generate a call to a gvec-style helper with two vector operands. */
void tcg_gen_gvec_2_ool(uint32_t dofs, uint32_t aofs,
uint32_t oprsz, uint32_t maxsz, int32_t data,
gen_helper_gvec_2 *fn)
{
TCGv_ptr a0, a1;
TCGv_i32 desc = tcg_const_i32(simd_desc(oprsz, maxsz, data));
a0 = tcg_temp_new_ptr();
a1 = tcg_temp_new_ptr();
tcg_gen_addi_ptr(a0, cpu_env, dofs);
tcg_gen_addi_ptr(a1, cpu_env, aofs);
fn(a0, a1, desc);
tcg_temp_free_ptr(a0);
tcg_temp_free_ptr(a1);
tcg_temp_free_i32(desc);
}
/* Generate a call to a gvec-style helper with two vector operands
and one scalar operand. */
void tcg_gen_gvec_2i_ool(uint32_t dofs, uint32_t aofs, TCGv_i64 c,
uint32_t oprsz, uint32_t maxsz, int32_t data,
gen_helper_gvec_2i *fn)
{
TCGv_ptr a0, a1;
TCGv_i32 desc = tcg_const_i32(simd_desc(oprsz, maxsz, data));
a0 = tcg_temp_new_ptr();
a1 = tcg_temp_new_ptr();
tcg_gen_addi_ptr(a0, cpu_env, dofs);
tcg_gen_addi_ptr(a1, cpu_env, aofs);
fn(a0, a1, c, desc);
tcg_temp_free_ptr(a0);
tcg_temp_free_ptr(a1);
tcg_temp_free_i32(desc);
}
/* Generate a call to a gvec-style helper with three vector operands. */
void tcg_gen_gvec_3_ool(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t oprsz, uint32_t maxsz, int32_t data,
gen_helper_gvec_3 *fn)
{
TCGv_ptr a0, a1, a2;
TCGv_i32 desc = tcg_const_i32(simd_desc(oprsz, maxsz, data));
a0 = tcg_temp_new_ptr();
a1 = tcg_temp_new_ptr();
a2 = tcg_temp_new_ptr();
tcg_gen_addi_ptr(a0, cpu_env, dofs);
tcg_gen_addi_ptr(a1, cpu_env, aofs);
tcg_gen_addi_ptr(a2, cpu_env, bofs);
fn(a0, a1, a2, desc);
tcg_temp_free_ptr(a0);
tcg_temp_free_ptr(a1);
tcg_temp_free_ptr(a2);
tcg_temp_free_i32(desc);
}
/* Generate a call to a gvec-style helper with four vector operands. */
void tcg_gen_gvec_4_ool(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t cofs, uint32_t oprsz, uint32_t maxsz,
int32_t data, gen_helper_gvec_4 *fn)
{
TCGv_ptr a0, a1, a2, a3;
TCGv_i32 desc = tcg_const_i32(simd_desc(oprsz, maxsz, data));
a0 = tcg_temp_new_ptr();
a1 = tcg_temp_new_ptr();
a2 = tcg_temp_new_ptr();
a3 = tcg_temp_new_ptr();
tcg_gen_addi_ptr(a0, cpu_env, dofs);
tcg_gen_addi_ptr(a1, cpu_env, aofs);
tcg_gen_addi_ptr(a2, cpu_env, bofs);
tcg_gen_addi_ptr(a3, cpu_env, cofs);
fn(a0, a1, a2, a3, desc);
tcg_temp_free_ptr(a0);
tcg_temp_free_ptr(a1);
tcg_temp_free_ptr(a2);
tcg_temp_free_ptr(a3);
tcg_temp_free_i32(desc);
}
/* Generate a call to a gvec-style helper with five vector operands. */
void tcg_gen_gvec_5_ool(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t cofs, uint32_t xofs, uint32_t oprsz,
uint32_t maxsz, int32_t data, gen_helper_gvec_5 *fn)
{
TCGv_ptr a0, a1, a2, a3, a4;
TCGv_i32 desc = tcg_const_i32(simd_desc(oprsz, maxsz, data));
a0 = tcg_temp_new_ptr();
a1 = tcg_temp_new_ptr();
a2 = tcg_temp_new_ptr();
a3 = tcg_temp_new_ptr();
a4 = tcg_temp_new_ptr();
tcg_gen_addi_ptr(a0, cpu_env, dofs);
tcg_gen_addi_ptr(a1, cpu_env, aofs);
tcg_gen_addi_ptr(a2, cpu_env, bofs);
tcg_gen_addi_ptr(a3, cpu_env, cofs);
tcg_gen_addi_ptr(a4, cpu_env, xofs);
fn(a0, a1, a2, a3, a4, desc);
tcg_temp_free_ptr(a0);
tcg_temp_free_ptr(a1);
tcg_temp_free_ptr(a2);
tcg_temp_free_ptr(a3);
tcg_temp_free_ptr(a4);
tcg_temp_free_i32(desc);
}
/* Generate a call to a gvec-style helper with three vector operands
and an extra pointer operand. */
void tcg_gen_gvec_2_ptr(uint32_t dofs, uint32_t aofs,
TCGv_ptr ptr, uint32_t oprsz, uint32_t maxsz,
int32_t data, gen_helper_gvec_2_ptr *fn)
{
TCGv_ptr a0, a1;
TCGv_i32 desc = tcg_const_i32(simd_desc(oprsz, maxsz, data));
a0 = tcg_temp_new_ptr();
a1 = tcg_temp_new_ptr();
tcg_gen_addi_ptr(a0, cpu_env, dofs);
tcg_gen_addi_ptr(a1, cpu_env, aofs);
fn(a0, a1, ptr, desc);
tcg_temp_free_ptr(a0);
tcg_temp_free_ptr(a1);
tcg_temp_free_i32(desc);
}
/* Generate a call to a gvec-style helper with three vector operands
and an extra pointer operand. */
void tcg_gen_gvec_3_ptr(uint32_t dofs, uint32_t aofs, uint32_t bofs,
TCGv_ptr ptr, uint32_t oprsz, uint32_t maxsz,
int32_t data, gen_helper_gvec_3_ptr *fn)
{
TCGv_ptr a0, a1, a2;
TCGv_i32 desc = tcg_const_i32(simd_desc(oprsz, maxsz, data));
a0 = tcg_temp_new_ptr();
a1 = tcg_temp_new_ptr();
a2 = tcg_temp_new_ptr();
tcg_gen_addi_ptr(a0, cpu_env, dofs);
tcg_gen_addi_ptr(a1, cpu_env, aofs);
tcg_gen_addi_ptr(a2, cpu_env, bofs);
fn(a0, a1, a2, ptr, desc);
tcg_temp_free_ptr(a0);
tcg_temp_free_ptr(a1);
tcg_temp_free_ptr(a2);
tcg_temp_free_i32(desc);
}
/* Generate a call to a gvec-style helper with four vector operands
and an extra pointer operand. */
void tcg_gen_gvec_4_ptr(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t cofs, TCGv_ptr ptr, uint32_t oprsz,
uint32_t maxsz, int32_t data,
gen_helper_gvec_4_ptr *fn)
{
TCGv_ptr a0, a1, a2, a3;
TCGv_i32 desc = tcg_const_i32(simd_desc(oprsz, maxsz, data));
a0 = tcg_temp_new_ptr();
a1 = tcg_temp_new_ptr();
a2 = tcg_temp_new_ptr();
a3 = tcg_temp_new_ptr();
tcg_gen_addi_ptr(a0, cpu_env, dofs);
tcg_gen_addi_ptr(a1, cpu_env, aofs);
tcg_gen_addi_ptr(a2, cpu_env, bofs);
tcg_gen_addi_ptr(a3, cpu_env, cofs);
fn(a0, a1, a2, a3, ptr, desc);
tcg_temp_free_ptr(a0);
tcg_temp_free_ptr(a1);
tcg_temp_free_ptr(a2);
tcg_temp_free_ptr(a3);
tcg_temp_free_i32(desc);
}
/* Return true if we want to implement something of OPRSZ bytes
in units of LNSZ. This limits the expansion of inline code. */
static inline bool check_size_impl(uint32_t oprsz, uint32_t lnsz)
{
if (oprsz % lnsz == 0) {
uint32_t lnct = oprsz / lnsz;
return lnct >= 1 && lnct <= MAX_UNROLL;
}
return false;
}
static void expand_clr(uint32_t dofs, uint32_t maxsz);
/* Duplicate C as per VECE. */
uint64_t (dup_const)(unsigned vece, uint64_t c)
{
switch (vece) {
case MO_8:
return 0x0101010101010101ull * (uint8_t)c;
case MO_16:
return 0x0001000100010001ull * (uint16_t)c;
case MO_32:
return 0x0000000100000001ull * (uint32_t)c;
case MO_64:
return c;
default:
g_assert_not_reached();
}
}
/* Duplicate IN into OUT as per VECE. */
static void gen_dup_i32(unsigned vece, TCGv_i32 out, TCGv_i32 in)
{
switch (vece) {
case MO_8:
tcg_gen_ext8u_i32(out, in);
tcg_gen_muli_i32(out, out, 0x01010101);
break;
case MO_16:
tcg_gen_deposit_i32(out, in, in, 16, 16);
break;
case MO_32:
tcg_gen_mov_i32(out, in);
break;
default:
g_assert_not_reached();
}
}
static void gen_dup_i64(unsigned vece, TCGv_i64 out, TCGv_i64 in)
{
switch (vece) {
case MO_8:
tcg_gen_ext8u_i64(out, in);
tcg_gen_muli_i64(out, out, 0x0101010101010101ull);
break;
case MO_16:
tcg_gen_ext16u_i64(out, in);
tcg_gen_muli_i64(out, out, 0x0001000100010001ull);
break;
case MO_32:
tcg_gen_deposit_i64(out, in, in, 32, 32);
break;
case MO_64:
tcg_gen_mov_i64(out, in);
break;
default:
g_assert_not_reached();
}
}
/* Select a supported vector type for implementing an operation on SIZE
* bytes. If OP is 0, assume that the real operation to be performed is
* required by all backends. Otherwise, make sure than OP can be performed
* on elements of size VECE in the selected type. Do not select V64 if
* PREFER_I64 is true. Return 0 if no vector type is selected.
*/
static TCGType choose_vector_type(const TCGOpcode *list, unsigned vece,
uint32_t size, bool prefer_i64)
{
if (TCG_TARGET_HAS_v256 && check_size_impl(size, 32)) {
/*
* Recall that ARM SVE allows vector sizes that are not a
* power of 2, but always a multiple of 16. The intent is
* that e.g. size == 80 would be expanded with 2x32 + 1x16.
* It is hard to imagine a case in which v256 is supported
* but v128 is not, but check anyway.
*/
if (tcg_can_emit_vecop_list(list, TCG_TYPE_V256, vece)
&& (size % 32 == 0
|| tcg_can_emit_vecop_list(list, TCG_TYPE_V128, vece))) {
return TCG_TYPE_V256;
}
}
if (TCG_TARGET_HAS_v128 && check_size_impl(size, 16)
&& tcg_can_emit_vecop_list(list, TCG_TYPE_V128, vece)) {
return TCG_TYPE_V128;
}
if (TCG_TARGET_HAS_v64 && !prefer_i64 && check_size_impl(size, 8)
&& tcg_can_emit_vecop_list(list, TCG_TYPE_V64, vece)) {
return TCG_TYPE_V64;
}
return 0;
}
static void do_dup_store(TCGType type, uint32_t dofs, uint32_t oprsz,
uint32_t maxsz, TCGv_vec t_vec)
{
uint32_t i = 0;
switch (type) {
case TCG_TYPE_V256:
/*
* Recall that ARM SVE allows vector sizes that are not a
* power of 2, but always a multiple of 16. The intent is
* that e.g. size == 80 would be expanded with 2x32 + 1x16.
*/
for (; i + 32 <= oprsz; i += 32) {
tcg_gen_stl_vec(t_vec, cpu_env, dofs + i, TCG_TYPE_V256);
}
/* fallthru */
case TCG_TYPE_V128:
for (; i + 16 <= oprsz; i += 16) {
tcg_gen_stl_vec(t_vec, cpu_env, dofs + i, TCG_TYPE_V128);
}
break;
case TCG_TYPE_V64:
for (; i < oprsz; i += 8) {
tcg_gen_stl_vec(t_vec, cpu_env, dofs + i, TCG_TYPE_V64);
}
break;
default:
g_assert_not_reached();
}
if (oprsz < maxsz) {
expand_clr(dofs + oprsz, maxsz - oprsz);
}
}
/* Set OPRSZ bytes at DOFS to replications of IN_32, IN_64 or IN_C.
* Only one of IN_32 or IN_64 may be set;
* IN_C is used if IN_32 and IN_64 are unset.
*/
static void do_dup(unsigned vece, uint32_t dofs, uint32_t oprsz,
uint32_t maxsz, TCGv_i32 in_32, TCGv_i64 in_64,
uint64_t in_c)
{
TCGType type;
TCGv_i64 t_64;
TCGv_i32 t_32, t_desc;
TCGv_ptr t_ptr;
uint32_t i;
assert(vece <= (in_32 ? MO_32 : MO_64));
assert(in_32 == NULL || in_64 == NULL);
/* If we're storing 0, expand oprsz to maxsz. */
if (in_32 == NULL && in_64 == NULL) {
in_c = dup_const(vece, in_c);
if (in_c == 0) {
oprsz = maxsz;
}
}
/* Implement inline with a vector type, if possible.
* Prefer integer when 64-bit host and no variable dup.
*/
type = choose_vector_type(NULL, vece, oprsz,
(TCG_TARGET_REG_BITS == 64 && in_32 == NULL
&& (in_64 == NULL || vece == MO_64)));
if (type != 0) {
TCGv_vec t_vec = tcg_temp_new_vec(type);
if (in_32) {
tcg_gen_dup_i32_vec(vece, t_vec, in_32);
} else if (in_64) {
tcg_gen_dup_i64_vec(vece, t_vec, in_64);
} else {
tcg_gen_dupi_vec(vece, t_vec, in_c);
}
do_dup_store(type, dofs, oprsz, maxsz, t_vec);
tcg_temp_free_vec(t_vec);
return;
}
/* Otherwise, inline with an integer type, unless "large". */
if (check_size_impl(oprsz, TCG_TARGET_REG_BITS / 8)) {
t_64 = NULL;
t_32 = NULL;
if (in_32) {
/* We are given a 32-bit variable input. For a 64-bit host,
use a 64-bit operation unless the 32-bit operation would
be simple enough. */
if (TCG_TARGET_REG_BITS == 64
&& (vece != MO_32 || !check_size_impl(oprsz, 4))) {
t_64 = tcg_temp_new_i64();
tcg_gen_extu_i32_i64(t_64, in_32);
gen_dup_i64(vece, t_64, t_64);
} else {
t_32 = tcg_temp_new_i32();
gen_dup_i32(vece, t_32, in_32);
}
} else if (in_64) {
/* We are given a 64-bit variable input. */
t_64 = tcg_temp_new_i64();
gen_dup_i64(vece, t_64, in_64);
} else {
/* We are given a constant input. */
/* For 64-bit hosts, use 64-bit constants for "simple" constants
or when we'd need too many 32-bit stores, or when a 64-bit
constant is really required. */
if (vece == MO_64
|| (TCG_TARGET_REG_BITS == 64
&& (in_c == 0 || in_c == -1
|| !check_size_impl(oprsz, 4)))) {
t_64 = tcg_const_i64(in_c);
} else {
t_32 = tcg_const_i32(in_c);
}
}
/* Implement inline if we picked an implementation size above. */
if (t_32) {
for (i = 0; i < oprsz; i += 4) {
tcg_gen_st_i32(t_32, cpu_env, dofs + i);
}
tcg_temp_free_i32(t_32);
goto done;
}
if (t_64) {
for (i = 0; i < oprsz; i += 8) {
tcg_gen_st_i64(t_64, cpu_env, dofs + i);
}
tcg_temp_free_i64(t_64);
goto done;
}
}
/* Otherwise implement out of line. */
t_ptr = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_ptr, cpu_env, dofs);
t_desc = tcg_const_i32(simd_desc(oprsz, maxsz, 0));
if (vece == MO_64) {
if (in_64) {
gen_helper_gvec_dup64(t_ptr, t_desc, in_64);
} else {
t_64 = tcg_const_i64(in_c);
gen_helper_gvec_dup64(t_ptr, t_desc, t_64);
tcg_temp_free_i64(t_64);
}
} else {
typedef void dup_fn(TCGv_ptr, TCGv_i32, TCGv_i32);
static dup_fn * const fns[3] = {
gen_helper_gvec_dup8,
gen_helper_gvec_dup16,
gen_helper_gvec_dup32
};
if (in_32) {
fns[vece](t_ptr, t_desc, in_32);
} else {
t_32 = tcg_temp_new_i32();
if (in_64) {
tcg_gen_extrl_i64_i32(t_32, in_64);
} else if (vece == MO_8) {
tcg_gen_movi_i32(t_32, in_c & 0xff);
} else if (vece == MO_16) {
tcg_gen_movi_i32(t_32, in_c & 0xffff);
} else {
tcg_gen_movi_i32(t_32, in_c);
}
fns[vece](t_ptr, t_desc, t_32);
tcg_temp_free_i32(t_32);
}
}
tcg_temp_free_ptr(t_ptr);
tcg_temp_free_i32(t_desc);
return;
done:
if (oprsz < maxsz) {
expand_clr(dofs + oprsz, maxsz - oprsz);
}
}
/* Likewise, but with zero. */
static void expand_clr(uint32_t dofs, uint32_t maxsz)
{
do_dup(MO_8, dofs, maxsz, maxsz, NULL, NULL, 0);
}
/* Expand OPSZ bytes worth of two-operand operations using i32 elements. */
static void expand_2_i32(uint32_t dofs, uint32_t aofs, uint32_t oprsz,
void (*fni)(TCGv_i32, TCGv_i32))
{
TCGv_i32 t0 = tcg_temp_new_i32();
uint32_t i;
for (i = 0; i < oprsz; i += 4) {
tcg_gen_ld_i32(t0, cpu_env, aofs + i);
fni(t0, t0);
tcg_gen_st_i32(t0, cpu_env, dofs + i);
}
tcg_temp_free_i32(t0);
}
static void expand_2i_i32(uint32_t dofs, uint32_t aofs, uint32_t oprsz,
int32_t c, bool load_dest,
void (*fni)(TCGv_i32, TCGv_i32, int32_t))
{
TCGv_i32 t0 = tcg_temp_new_i32();
TCGv_i32 t1 = tcg_temp_new_i32();
uint32_t i;
for (i = 0; i < oprsz; i += 4) {
tcg_gen_ld_i32(t0, cpu_env, aofs + i);
if (load_dest) {
tcg_gen_ld_i32(t1, cpu_env, dofs + i);
}
fni(t1, t0, c);
tcg_gen_st_i32(t1, cpu_env, dofs + i);
}
tcg_temp_free_i32(t0);
tcg_temp_free_i32(t1);
}
static void expand_2s_i32(uint32_t dofs, uint32_t aofs, uint32_t oprsz,
TCGv_i32 c, bool scalar_first,
void (*fni)(TCGv_i32, TCGv_i32, TCGv_i32))
{
TCGv_i32 t0 = tcg_temp_new_i32();
TCGv_i32 t1 = tcg_temp_new_i32();
uint32_t i;
for (i = 0; i < oprsz; i += 4) {
tcg_gen_ld_i32(t0, cpu_env, aofs + i);
if (scalar_first) {
fni(t1, c, t0);
} else {
fni(t1, t0, c);
}
tcg_gen_st_i32(t1, cpu_env, dofs + i);
}
tcg_temp_free_i32(t0);
tcg_temp_free_i32(t1);
}
/* Expand OPSZ bytes worth of three-operand operations using i32 elements. */
static void expand_3_i32(uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, bool load_dest,
void (*fni)(TCGv_i32, TCGv_i32, TCGv_i32))
{
TCGv_i32 t0 = tcg_temp_new_i32();
TCGv_i32 t1 = tcg_temp_new_i32();
TCGv_i32 t2 = tcg_temp_new_i32();
uint32_t i;
for (i = 0; i < oprsz; i += 4) {
tcg_gen_ld_i32(t0, cpu_env, aofs + i);
tcg_gen_ld_i32(t1, cpu_env, bofs + i);
if (load_dest) {
tcg_gen_ld_i32(t2, cpu_env, dofs + i);
}
fni(t2, t0, t1);
tcg_gen_st_i32(t2, cpu_env, dofs + i);
}
tcg_temp_free_i32(t2);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t0);
}
static void expand_3i_i32(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t oprsz, int32_t c, bool load_dest,
void (*fni)(TCGv_i32, TCGv_i32, TCGv_i32, int32_t))
{
TCGv_i32 t0 = tcg_temp_new_i32();
TCGv_i32 t1 = tcg_temp_new_i32();
TCGv_i32 t2 = tcg_temp_new_i32();
uint32_t i;
for (i = 0; i < oprsz; i += 4) {
tcg_gen_ld_i32(t0, cpu_env, aofs + i);
tcg_gen_ld_i32(t1, cpu_env, bofs + i);
if (load_dest) {
tcg_gen_ld_i32(t2, cpu_env, dofs + i);
}
fni(t2, t0, t1, c);
tcg_gen_st_i32(t2, cpu_env, dofs + i);
}
tcg_temp_free_i32(t0);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t2);
}
/* Expand OPSZ bytes worth of three-operand operations using i32 elements. */
static void expand_4_i32(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t cofs, uint32_t oprsz, bool write_aofs,
void (*fni)(TCGv_i32, TCGv_i32, TCGv_i32, TCGv_i32))
{
TCGv_i32 t0 = tcg_temp_new_i32();
TCGv_i32 t1 = tcg_temp_new_i32();
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_i32 t3 = tcg_temp_new_i32();
uint32_t i;
for (i = 0; i < oprsz; i += 4) {
tcg_gen_ld_i32(t1, cpu_env, aofs + i);
tcg_gen_ld_i32(t2, cpu_env, bofs + i);
tcg_gen_ld_i32(t3, cpu_env, cofs + i);
fni(t0, t1, t2, t3);
tcg_gen_st_i32(t0, cpu_env, dofs + i);
if (write_aofs) {
tcg_gen_st_i32(t1, cpu_env, aofs + i);
}
}
tcg_temp_free_i32(t3);
tcg_temp_free_i32(t2);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t0);
}
/* Expand OPSZ bytes worth of two-operand operations using i64 elements. */
static void expand_2_i64(uint32_t dofs, uint32_t aofs, uint32_t oprsz,
void (*fni)(TCGv_i64, TCGv_i64))
{
TCGv_i64 t0 = tcg_temp_new_i64();
uint32_t i;
for (i = 0; i < oprsz; i += 8) {
tcg_gen_ld_i64(t0, cpu_env, aofs + i);
fni(t0, t0);
tcg_gen_st_i64(t0, cpu_env, dofs + i);
}
tcg_temp_free_i64(t0);
}
static void expand_2i_i64(uint32_t dofs, uint32_t aofs, uint32_t oprsz,
int64_t c, bool load_dest,
void (*fni)(TCGv_i64, TCGv_i64, int64_t))
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
uint32_t i;
for (i = 0; i < oprsz; i += 8) {
tcg_gen_ld_i64(t0, cpu_env, aofs + i);
if (load_dest) {
tcg_gen_ld_i64(t1, cpu_env, dofs + i);
}
fni(t1, t0, c);
tcg_gen_st_i64(t1, cpu_env, dofs + i);
}
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
}
static void expand_2s_i64(uint32_t dofs, uint32_t aofs, uint32_t oprsz,
TCGv_i64 c, bool scalar_first,
void (*fni)(TCGv_i64, TCGv_i64, TCGv_i64))
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
uint32_t i;
for (i = 0; i < oprsz; i += 8) {
tcg_gen_ld_i64(t0, cpu_env, aofs + i);
if (scalar_first) {
fni(t1, c, t0);
} else {
fni(t1, t0, c);
}
tcg_gen_st_i64(t1, cpu_env, dofs + i);
}
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
}
/* Expand OPSZ bytes worth of three-operand operations using i64 elements. */
static void expand_3_i64(uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, bool load_dest,
void (*fni)(TCGv_i64, TCGv_i64, TCGv_i64))
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv_i64 t2 = tcg_temp_new_i64();
uint32_t i;
for (i = 0; i < oprsz; i += 8) {
tcg_gen_ld_i64(t0, cpu_env, aofs + i);
tcg_gen_ld_i64(t1, cpu_env, bofs + i);
if (load_dest) {
tcg_gen_ld_i64(t2, cpu_env, dofs + i);
}
fni(t2, t0, t1);
tcg_gen_st_i64(t2, cpu_env, dofs + i);
}
tcg_temp_free_i64(t2);
tcg_temp_free_i64(t1);
tcg_temp_free_i64(t0);
}
static void expand_3i_i64(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t oprsz, int64_t c, bool load_dest,
void (*fni)(TCGv_i64, TCGv_i64, TCGv_i64, int64_t))
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv_i64 t2 = tcg_temp_new_i64();
uint32_t i;
for (i = 0; i < oprsz; i += 8) {
tcg_gen_ld_i64(t0, cpu_env, aofs + i);
tcg_gen_ld_i64(t1, cpu_env, bofs + i);
if (load_dest) {
tcg_gen_ld_i64(t2, cpu_env, dofs + i);
}
fni(t2, t0, t1, c);
tcg_gen_st_i64(t2, cpu_env, dofs + i);
}
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
tcg_temp_free_i64(t2);
}
/* Expand OPSZ bytes worth of three-operand operations using i64 elements. */
static void expand_4_i64(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t cofs, uint32_t oprsz, bool write_aofs,
void (*fni)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
uint32_t i;
for (i = 0; i < oprsz; i += 8) {
tcg_gen_ld_i64(t1, cpu_env, aofs + i);
tcg_gen_ld_i64(t2, cpu_env, bofs + i);
tcg_gen_ld_i64(t3, cpu_env, cofs + i);
fni(t0, t1, t2, t3);
tcg_gen_st_i64(t0, cpu_env, dofs + i);
if (write_aofs) {
tcg_gen_st_i64(t1, cpu_env, aofs + i);
}
}
tcg_temp_free_i64(t3);
tcg_temp_free_i64(t2);
tcg_temp_free_i64(t1);
tcg_temp_free_i64(t0);
}
/* Expand OPSZ bytes worth of two-operand operations using host vectors. */
static void expand_2_vec(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t oprsz, uint32_t tysz, TCGType type,
void (*fni)(unsigned, TCGv_vec, TCGv_vec))
{
TCGv_vec t0 = tcg_temp_new_vec(type);
uint32_t i;
for (i = 0; i < oprsz; i += tysz) {
tcg_gen_ld_vec(t0, cpu_env, aofs + i);
fni(vece, t0, t0);
tcg_gen_st_vec(t0, cpu_env, dofs + i);
}
tcg_temp_free_vec(t0);
}
/* Expand OPSZ bytes worth of two-vector operands and an immediate operand
using host vectors. */
static void expand_2i_vec(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t oprsz, uint32_t tysz, TCGType type,
int64_t c, bool load_dest,
void (*fni)(unsigned, TCGv_vec, TCGv_vec, int64_t))
{
TCGv_vec t0 = tcg_temp_new_vec(type);
TCGv_vec t1 = tcg_temp_new_vec(type);
uint32_t i;
for (i = 0; i < oprsz; i += tysz) {
tcg_gen_ld_vec(t0, cpu_env, aofs + i);
if (load_dest) {
tcg_gen_ld_vec(t1, cpu_env, dofs + i);
}
fni(vece, t1, t0, c);
tcg_gen_st_vec(t1, cpu_env, dofs + i);
}
tcg_temp_free_vec(t0);
tcg_temp_free_vec(t1);
}
static void expand_2s_vec(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t oprsz, uint32_t tysz, TCGType type,
TCGv_vec c, bool scalar_first,
void (*fni)(unsigned, TCGv_vec, TCGv_vec, TCGv_vec))
{
TCGv_vec t0 = tcg_temp_new_vec(type);
TCGv_vec t1 = tcg_temp_new_vec(type);
uint32_t i;
for (i = 0; i < oprsz; i += tysz) {
tcg_gen_ld_vec(t0, cpu_env, aofs + i);
if (scalar_first) {
fni(vece, t1, c, t0);
} else {
fni(vece, t1, t0, c);
}
tcg_gen_st_vec(t1, cpu_env, dofs + i);
}
tcg_temp_free_vec(t0);
tcg_temp_free_vec(t1);
}
/* Expand OPSZ bytes worth of three-operand operations using host vectors. */
static void expand_3_vec(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz,
uint32_t tysz, TCGType type, bool load_dest,
void (*fni)(unsigned, TCGv_vec, TCGv_vec, TCGv_vec))
{
TCGv_vec t0 = tcg_temp_new_vec(type);
TCGv_vec t1 = tcg_temp_new_vec(type);
TCGv_vec t2 = tcg_temp_new_vec(type);
uint32_t i;
for (i = 0; i < oprsz; i += tysz) {
tcg_gen_ld_vec(t0, cpu_env, aofs + i);
tcg_gen_ld_vec(t1, cpu_env, bofs + i);
if (load_dest) {
tcg_gen_ld_vec(t2, cpu_env, dofs + i);
}
fni(vece, t2, t0, t1);
tcg_gen_st_vec(t2, cpu_env, dofs + i);
}
tcg_temp_free_vec(t2);
tcg_temp_free_vec(t1);
tcg_temp_free_vec(t0);
}
/*
* Expand OPSZ bytes worth of three-vector operands and an immediate operand
* using host vectors.
*/
static void expand_3i_vec(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t tysz,
TCGType type, int64_t c, bool load_dest,
void (*fni)(unsigned, TCGv_vec, TCGv_vec, TCGv_vec,
int64_t))
{
TCGv_vec t0 = tcg_temp_new_vec(type);
TCGv_vec t1 = tcg_temp_new_vec(type);
TCGv_vec t2 = tcg_temp_new_vec(type);
uint32_t i;
for (i = 0; i < oprsz; i += tysz) {
tcg_gen_ld_vec(t0, cpu_env, aofs + i);
tcg_gen_ld_vec(t1, cpu_env, bofs + i);
if (load_dest) {
tcg_gen_ld_vec(t2, cpu_env, dofs + i);
}
fni(vece, t2, t0, t1, c);
tcg_gen_st_vec(t2, cpu_env, dofs + i);
}
tcg_temp_free_vec(t0);
tcg_temp_free_vec(t1);
tcg_temp_free_vec(t2);
}
/* Expand OPSZ bytes worth of four-operand operations using host vectors. */
static void expand_4_vec(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t cofs, uint32_t oprsz,
uint32_t tysz, TCGType type, bool write_aofs,
void (*fni)(unsigned, TCGv_vec, TCGv_vec,
TCGv_vec, TCGv_vec))
{
TCGv_vec t0 = tcg_temp_new_vec(type);
TCGv_vec t1 = tcg_temp_new_vec(type);
TCGv_vec t2 = tcg_temp_new_vec(type);
TCGv_vec t3 = tcg_temp_new_vec(type);
uint32_t i;
for (i = 0; i < oprsz; i += tysz) {
tcg_gen_ld_vec(t1, cpu_env, aofs + i);
tcg_gen_ld_vec(t2, cpu_env, bofs + i);
tcg_gen_ld_vec(t3, cpu_env, cofs + i);
fni(vece, t0, t1, t2, t3);
tcg_gen_st_vec(t0, cpu_env, dofs + i);
if (write_aofs) {
tcg_gen_st_vec(t1, cpu_env, aofs + i);
}
}
tcg_temp_free_vec(t3);
tcg_temp_free_vec(t2);
tcg_temp_free_vec(t1);
tcg_temp_free_vec(t0);
}
/* Expand a vector two-operand operation. */
void tcg_gen_gvec_2(uint32_t dofs, uint32_t aofs,
uint32_t oprsz, uint32_t maxsz, const GVecGen2 *g)
{
const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty;
const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list);
TCGType type;
uint32_t some;
check_size_align(oprsz, maxsz, dofs | aofs);
check_overlap_2(dofs, aofs, maxsz);
type = 0;
if (g->fniv) {
type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64);
}
switch (type) {
case TCG_TYPE_V256:
/* Recall that ARM SVE allows vector sizes that are not a
* power of 2, but always a multiple of 16. The intent is
* that e.g. size == 80 would be expanded with 2x32 + 1x16.
*/
some = QEMU_ALIGN_DOWN(oprsz, 32);
expand_2_vec(g->vece, dofs, aofs, some, 32, TCG_TYPE_V256, g->fniv);
if (some == oprsz) {
break;
}
dofs += some;
aofs += some;
oprsz -= some;
maxsz -= some;
/* fallthru */
case TCG_TYPE_V128:
expand_2_vec(g->vece, dofs, aofs, oprsz, 16, TCG_TYPE_V128, g->fniv);
break;
case TCG_TYPE_V64:
expand_2_vec(g->vece, dofs, aofs, oprsz, 8, TCG_TYPE_V64, g->fniv);
break;
case 0:
if (g->fni8 && check_size_impl(oprsz, 8)) {
expand_2_i64(dofs, aofs, oprsz, g->fni8);
} else if (g->fni4 && check_size_impl(oprsz, 4)) {
expand_2_i32(dofs, aofs, oprsz, g->fni4);
} else {
assert(g->fno != NULL);
tcg_gen_gvec_2_ool(dofs, aofs, oprsz, maxsz, g->data, g->fno);
oprsz = maxsz;
}
break;
default:
g_assert_not_reached();
}
tcg_swap_vecop_list(hold_list);
if (oprsz < maxsz) {
expand_clr(dofs + oprsz, maxsz - oprsz);
}
}
/* Expand a vector operation with two vectors and an immediate. */
void tcg_gen_gvec_2i(uint32_t dofs, uint32_t aofs, uint32_t oprsz,
uint32_t maxsz, int64_t c, const GVecGen2i *g)
{
const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty;
const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list);
TCGType type;
uint32_t some;
check_size_align(oprsz, maxsz, dofs | aofs);
check_overlap_2(dofs, aofs, maxsz);
type = 0;
if (g->fniv) {
type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64);
}
switch (type) {
case TCG_TYPE_V256:
/* Recall that ARM SVE allows vector sizes that are not a
* power of 2, but always a multiple of 16. The intent is
* that e.g. size == 80 would be expanded with 2x32 + 1x16.
*/
some = QEMU_ALIGN_DOWN(oprsz, 32);
expand_2i_vec(g->vece, dofs, aofs, some, 32, TCG_TYPE_V256,
c, g->load_dest, g->fniv);
if (some == oprsz) {
break;
}
dofs += some;
aofs += some;
oprsz -= some;
maxsz -= some;
/* fallthru */
case TCG_TYPE_V128:
expand_2i_vec(g->vece, dofs, aofs, oprsz, 16, TCG_TYPE_V128,
c, g->load_dest, g->fniv);
break;
case TCG_TYPE_V64:
expand_2i_vec(g->vece, dofs, aofs, oprsz, 8, TCG_TYPE_V64,
c, g->load_dest, g->fniv);
break;
case 0:
if (g->fni8 && check_size_impl(oprsz, 8)) {
expand_2i_i64(dofs, aofs, oprsz, c, g->load_dest, g->fni8);
} else if (g->fni4 && check_size_impl(oprsz, 4)) {
expand_2i_i32(dofs, aofs, oprsz, c, g->load_dest, g->fni4);
} else {
if (g->fno) {
tcg_gen_gvec_2_ool(dofs, aofs, oprsz, maxsz, c, g->fno);
} else {
TCGv_i64 tcg_c = tcg_const_i64(c);
tcg_gen_gvec_2i_ool(dofs, aofs, tcg_c, oprsz,
maxsz, c, g->fnoi);
tcg_temp_free_i64(tcg_c);
}
oprsz = maxsz;
}
break;
default:
g_assert_not_reached();
}
tcg_swap_vecop_list(hold_list);
if (oprsz < maxsz) {
expand_clr(dofs + oprsz, maxsz - oprsz);
}
}
/* Expand a vector operation with two vectors and a scalar. */
void tcg_gen_gvec_2s(uint32_t dofs, uint32_t aofs, uint32_t oprsz,
uint32_t maxsz, TCGv_i64 c, const GVecGen2s *g)
{
TCGType type;
check_size_align(oprsz, maxsz, dofs | aofs);
check_overlap_2(dofs, aofs, maxsz);
type = 0;
if (g->fniv) {
type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64);
}
if (type != 0) {
const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty;
const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list);
TCGv_vec t_vec = tcg_temp_new_vec(type);
uint32_t some;
tcg_gen_dup_i64_vec(g->vece, t_vec, c);
switch (type) {
case TCG_TYPE_V256:
/* Recall that ARM SVE allows vector sizes that are not a
* power of 2, but always a multiple of 16. The intent is
* that e.g. size == 80 would be expanded with 2x32 + 1x16.
*/
some = QEMU_ALIGN_DOWN(oprsz, 32);
expand_2s_vec(g->vece, dofs, aofs, some, 32, TCG_TYPE_V256,
t_vec, g->scalar_first, g->fniv);
if (some == oprsz) {
break;
}
dofs += some;
aofs += some;
oprsz -= some;
maxsz -= some;
/* fallthru */
case TCG_TYPE_V128:
expand_2s_vec(g->vece, dofs, aofs, oprsz, 16, TCG_TYPE_V128,
t_vec, g->scalar_first, g->fniv);
break;
case TCG_TYPE_V64:
expand_2s_vec(g->vece, dofs, aofs, oprsz, 8, TCG_TYPE_V64,
t_vec, g->scalar_first, g->fniv);
break;
default:
g_assert_not_reached();
}
tcg_temp_free_vec(t_vec);
tcg_swap_vecop_list(hold_list);
} else if (g->fni8 && check_size_impl(oprsz, 8)) {
TCGv_i64 t64 = tcg_temp_new_i64();
gen_dup_i64(g->vece, t64, c);
expand_2s_i64(dofs, aofs, oprsz, t64, g->scalar_first, g->fni8);
tcg_temp_free_i64(t64);
} else if (g->fni4 && check_size_impl(oprsz, 4)) {
TCGv_i32 t32 = tcg_temp_new_i32();
tcg_gen_extrl_i64_i32(t32, c);
gen_dup_i32(g->vece, t32, t32);
expand_2s_i32(dofs, aofs, oprsz, t32, g->scalar_first, g->fni4);
tcg_temp_free_i32(t32);
} else {
tcg_gen_gvec_2i_ool(dofs, aofs, c, oprsz, maxsz, 0, g->fno);
return;
}
if (oprsz < maxsz) {
expand_clr(dofs + oprsz, maxsz - oprsz);
}
}
/* Expand a vector three-operand operation. */
void tcg_gen_gvec_3(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t oprsz, uint32_t maxsz, const GVecGen3 *g)
{
const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty;
const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list);
TCGType type;
uint32_t some;
check_size_align(oprsz, maxsz, dofs | aofs | bofs);
check_overlap_3(dofs, aofs, bofs, maxsz);
type = 0;
if (g->fniv) {
type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64);
}
switch (type) {
case TCG_TYPE_V256:
/* Recall that ARM SVE allows vector sizes that are not a
* power of 2, but always a multiple of 16. The intent is
* that e.g. size == 80 would be expanded with 2x32 + 1x16.
*/
some = QEMU_ALIGN_DOWN(oprsz, 32);
expand_3_vec(g->vece, dofs, aofs, bofs, some, 32, TCG_TYPE_V256,
g->load_dest, g->fniv);
if (some == oprsz) {
break;
}
dofs += some;
aofs += some;
bofs += some;
oprsz -= some;
maxsz -= some;
/* fallthru */
case TCG_TYPE_V128:
expand_3_vec(g->vece, dofs, aofs, bofs, oprsz, 16, TCG_TYPE_V128,
g->load_dest, g->fniv);
break;
case TCG_TYPE_V64:
expand_3_vec(g->vece, dofs, aofs, bofs, oprsz, 8, TCG_TYPE_V64,
g->load_dest, g->fniv);
break;
case 0:
if (g->fni8 && check_size_impl(oprsz, 8)) {
expand_3_i64(dofs, aofs, bofs, oprsz, g->load_dest, g->fni8);
} else if (g->fni4 && check_size_impl(oprsz, 4)) {
expand_3_i32(dofs, aofs, bofs, oprsz, g->load_dest, g->fni4);
} else {
assert(g->fno != NULL);
tcg_gen_gvec_3_ool(dofs, aofs, bofs, oprsz,
maxsz, g->data, g->fno);
oprsz = maxsz;
}
break;
default:
g_assert_not_reached();
}
tcg_swap_vecop_list(hold_list);
if (oprsz < maxsz) {
expand_clr(dofs + oprsz, maxsz - oprsz);
}
}
/* Expand a vector operation with three vectors and an immediate. */
void tcg_gen_gvec_3i(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t oprsz, uint32_t maxsz, int64_t c,
const GVecGen3i *g)
{
const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty;
const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list);
TCGType type;
uint32_t some;
check_size_align(oprsz, maxsz, dofs | aofs | bofs);
check_overlap_3(dofs, aofs, bofs, maxsz);
type = 0;
if (g->fniv) {
type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64);
}
switch (type) {
case TCG_TYPE_V256:
/*
* Recall that ARM SVE allows vector sizes that are not a
* power of 2, but always a multiple of 16. The intent is
* that e.g. size == 80 would be expanded with 2x32 + 1x16.
*/
some = QEMU_ALIGN_DOWN(oprsz, 32);
expand_3i_vec(g->vece, dofs, aofs, bofs, some, 32, TCG_TYPE_V256,
c, g->load_dest, g->fniv);
if (some == oprsz) {
break;
}
dofs += some;
aofs += some;
bofs += some;
oprsz -= some;
maxsz -= some;
/* fallthru */
case TCG_TYPE_V128:
expand_3i_vec(g->vece, dofs, aofs, bofs, oprsz, 16, TCG_TYPE_V128,
c, g->load_dest, g->fniv);
break;
case TCG_TYPE_V64:
expand_3i_vec(g->vece, dofs, aofs, bofs, oprsz, 8, TCG_TYPE_V64,
c, g->load_dest, g->fniv);
break;
case 0:
if (g->fni8 && check_size_impl(oprsz, 8)) {
expand_3i_i64(dofs, aofs, bofs, oprsz, c, g->load_dest, g->fni8);
} else if (g->fni4 && check_size_impl(oprsz, 4)) {
expand_3i_i32(dofs, aofs, bofs, oprsz, c, g->load_dest, g->fni4);
} else {
assert(g->fno != NULL);
tcg_gen_gvec_3_ool(dofs, aofs, bofs, oprsz, maxsz, c, g->fno);
oprsz = maxsz;
}
break;
default:
g_assert_not_reached();
}
tcg_swap_vecop_list(hold_list);
if (oprsz < maxsz) {
expand_clr(dofs + oprsz, maxsz - oprsz);
}
}
/* Expand a vector four-operand operation. */
void tcg_gen_gvec_4(uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t cofs,
uint32_t oprsz, uint32_t maxsz, const GVecGen4 *g)
{
const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty;
const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list);
TCGType type;
uint32_t some;
check_size_align(oprsz, maxsz, dofs | aofs | bofs | cofs);
check_overlap_4(dofs, aofs, bofs, cofs, maxsz);
type = 0;
if (g->fniv) {
type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64);
}
switch (type) {
case TCG_TYPE_V256:
/* Recall that ARM SVE allows vector sizes that are not a
* power of 2, but always a multiple of 16. The intent is
* that e.g. size == 80 would be expanded with 2x32 + 1x16.
*/
some = QEMU_ALIGN_DOWN(oprsz, 32);
expand_4_vec(g->vece, dofs, aofs, bofs, cofs, some,
32, TCG_TYPE_V256, g->write_aofs, g->fniv);
if (some == oprsz) {
break;
}
dofs += some;
aofs += some;
bofs += some;
cofs += some;
oprsz -= some;
maxsz -= some;
/* fallthru */
case TCG_TYPE_V128:
expand_4_vec(g->vece, dofs, aofs, bofs, cofs, oprsz,
16, TCG_TYPE_V128, g->write_aofs, g->fniv);
break;
case TCG_TYPE_V64:
expand_4_vec(g->vece, dofs, aofs, bofs, cofs, oprsz,
8, TCG_TYPE_V64, g->write_aofs, g->fniv);
break;
case 0:
if (g->fni8 && check_size_impl(oprsz, 8)) {
expand_4_i64(dofs, aofs, bofs, cofs, oprsz,
g->write_aofs, g->fni8);
} else if (g->fni4 && check_size_impl(oprsz, 4)) {
expand_4_i32(dofs, aofs, bofs, cofs, oprsz,
g->write_aofs, g->fni4);
} else {
assert(g->fno != NULL);
tcg_gen_gvec_4_ool(dofs, aofs, bofs, cofs,
oprsz, maxsz, g->data, g->fno);
oprsz = maxsz;
}
break;
default:
g_assert_not_reached();
}
tcg_swap_vecop_list(hold_list);
if (oprsz < maxsz) {
expand_clr(dofs + oprsz, maxsz - oprsz);
}
}
/*
* Expand specific vector operations.
*/
static void vec_mov2(unsigned vece, TCGv_vec a, TCGv_vec b)
{
tcg_gen_mov_vec(a, b);
}
void tcg_gen_gvec_mov(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen2 g = {
.fni8 = tcg_gen_mov_i64,
.fniv = vec_mov2,
.fno = gen_helper_gvec_mov,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (dofs != aofs) {
tcg_gen_gvec_2(dofs, aofs, oprsz, maxsz, &g);
} else {
check_size_align(oprsz, maxsz, dofs);
if (oprsz < maxsz) {
expand_clr(dofs + oprsz, maxsz - oprsz);
}
}
}
void tcg_gen_gvec_dup_i32(unsigned vece, uint32_t dofs, uint32_t oprsz,
uint32_t maxsz, TCGv_i32 in)
{
check_size_align(oprsz, maxsz, dofs);
tcg_debug_assert(vece <= MO_32);
do_dup(vece, dofs, oprsz, maxsz, in, NULL, 0);
}
void tcg_gen_gvec_dup_i64(unsigned vece, uint32_t dofs, uint32_t oprsz,
uint32_t maxsz, TCGv_i64 in)
{
check_size_align(oprsz, maxsz, dofs);
tcg_debug_assert(vece <= MO_64);
do_dup(vece, dofs, oprsz, maxsz, NULL, in, 0);
}
void tcg_gen_gvec_dup_mem(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t oprsz, uint32_t maxsz)
{
if (vece <= MO_64) {
TCGType type = choose_vector_type(0, vece, oprsz, 0);
if (type != 0) {
TCGv_vec t_vec = tcg_temp_new_vec(type);
tcg_gen_dup_mem_vec(vece, t_vec, cpu_env, aofs);
do_dup_store(type, dofs, oprsz, maxsz, t_vec);
tcg_temp_free_vec(t_vec);
return;
}
}
if (vece <= MO_32) {
TCGv_i32 in = tcg_temp_new_i32();
switch (vece) {
case MO_8:
tcg_gen_ld8u_i32(in, cpu_env, aofs);
break;
case MO_16:
tcg_gen_ld16u_i32(in, cpu_env, aofs);
break;
case MO_32:
tcg_gen_ld_i32(in, cpu_env, aofs);
break;
}
tcg_gen_gvec_dup_i32(vece, dofs, oprsz, maxsz, in);
tcg_temp_free_i32(in);
} else if (vece == MO_64) {
TCGv_i64 in = tcg_temp_new_i64();
tcg_gen_ld_i64(in, cpu_env, aofs);
tcg_gen_gvec_dup_i64(MO_64, dofs, oprsz, maxsz, in);
tcg_temp_free_i64(in);
} else {
/* 128-bit duplicate. */
/* ??? Dup to 256-bit vector. */
int i;
tcg_debug_assert(vece == 4);
tcg_debug_assert(oprsz >= 16);
if (TCG_TARGET_HAS_v128) {
TCGv_vec in = tcg_temp_new_vec(TCG_TYPE_V128);
tcg_gen_ld_vec(in, cpu_env, aofs);
for (i = 0; i < oprsz; i += 16) {
tcg_gen_st_vec(in, cpu_env, dofs + i);
}
tcg_temp_free_vec(in);
} else {
TCGv_i64 in0 = tcg_temp_new_i64();
TCGv_i64 in1 = tcg_temp_new_i64();
tcg_gen_ld_i64(in0, cpu_env, aofs);
tcg_gen_ld_i64(in1, cpu_env, aofs + 8);
for (i = 0; i < oprsz; i += 16) {
tcg_gen_st_i64(in0, cpu_env, dofs + i);
tcg_gen_st_i64(in1, cpu_env, dofs + i + 8);
}
tcg_temp_free_i64(in0);
tcg_temp_free_i64(in1);
}
}
}
void tcg_gen_gvec_dup64i(uint32_t dofs, uint32_t oprsz,
uint32_t maxsz, uint64_t x)
{
check_size_align(oprsz, maxsz, dofs);
do_dup(MO_64, dofs, oprsz, maxsz, NULL, NULL, x);
}
void tcg_gen_gvec_dup32i(uint32_t dofs, uint32_t oprsz,
uint32_t maxsz, uint32_t x)
{
check_size_align(oprsz, maxsz, dofs);
do_dup(MO_32, dofs, oprsz, maxsz, NULL, NULL, x);
}
void tcg_gen_gvec_dup16i(uint32_t dofs, uint32_t oprsz,
uint32_t maxsz, uint16_t x)
{
check_size_align(oprsz, maxsz, dofs);
do_dup(MO_16, dofs, oprsz, maxsz, NULL, NULL, x);
}
void tcg_gen_gvec_dup8i(uint32_t dofs, uint32_t oprsz,
uint32_t maxsz, uint8_t x)
{
check_size_align(oprsz, maxsz, dofs);
do_dup(MO_8, dofs, oprsz, maxsz, NULL, NULL, x);
}
void tcg_gen_gvec_not(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen2 g = {
.fni8 = tcg_gen_not_i64,
.fniv = tcg_gen_not_vec,
.fno = gen_helper_gvec_not,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
tcg_gen_gvec_2(dofs, aofs, oprsz, maxsz, &g);
}
/* Perform a vector addition using normal addition and a mask. The mask
should be the sign bit of each lane. This 6-operation form is more
efficient than separate additions when there are 4 or more lanes in
the 64-bit operation. */
static void gen_addv_mask(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b, TCGv_i64 m)
{
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_andc_i64(t1, a, m);
tcg_gen_andc_i64(t2, b, m);
tcg_gen_xor_i64(t3, a, b);
tcg_gen_add_i64(d, t1, t2);
tcg_gen_and_i64(t3, t3, m);
tcg_gen_xor_i64(d, d, t3);
tcg_temp_free_i64(t1);
tcg_temp_free_i64(t2);
tcg_temp_free_i64(t3);
}
void tcg_gen_vec_add8_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
TCGv_i64 m = tcg_const_i64(dup_const(MO_8, 0x80));
gen_addv_mask(d, a, b, m);
tcg_temp_free_i64(m);
}
void tcg_gen_vec_add16_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
TCGv_i64 m = tcg_const_i64(dup_const(MO_16, 0x8000));
gen_addv_mask(d, a, b, m);
tcg_temp_free_i64(m);
}
void tcg_gen_vec_add32_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv_i64 t2 = tcg_temp_new_i64();
tcg_gen_andi_i64(t1, a, ~0xffffffffull);
tcg_gen_add_i64(t2, a, b);
tcg_gen_add_i64(t1, t1, b);
tcg_gen_deposit_i64(d, t1, t2, 0, 32);
tcg_temp_free_i64(t1);
tcg_temp_free_i64(t2);
}
static const TCGOpcode vecop_list_add[] = { INDEX_op_add_vec, 0 };
void tcg_gen_gvec_add(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen3 g[4] = {
{ .fni8 = tcg_gen_vec_add8_i64,
.fniv = tcg_gen_add_vec,
.fno = gen_helper_gvec_add8,
.opt_opc = vecop_list_add,
.vece = MO_8 },
{ .fni8 = tcg_gen_vec_add16_i64,
.fniv = tcg_gen_add_vec,
.fno = gen_helper_gvec_add16,
.opt_opc = vecop_list_add,
.vece = MO_16 },
{ .fni4 = tcg_gen_add_i32,
.fniv = tcg_gen_add_vec,
.fno = gen_helper_gvec_add32,
.opt_opc = vecop_list_add,
.vece = MO_32 },
{ .fni8 = tcg_gen_add_i64,
.fniv = tcg_gen_add_vec,
.fno = gen_helper_gvec_add64,
.opt_opc = vecop_list_add,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
void tcg_gen_gvec_adds(unsigned vece, uint32_t dofs, uint32_t aofs,
TCGv_i64 c, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen2s g[4] = {
{ .fni8 = tcg_gen_vec_add8_i64,
.fniv = tcg_gen_add_vec,
.fno = gen_helper_gvec_adds8,
.opt_opc = vecop_list_add,
.vece = MO_8 },
{ .fni8 = tcg_gen_vec_add16_i64,
.fniv = tcg_gen_add_vec,
.fno = gen_helper_gvec_adds16,
.opt_opc = vecop_list_add,
.vece = MO_16 },
{ .fni4 = tcg_gen_add_i32,
.fniv = tcg_gen_add_vec,
.fno = gen_helper_gvec_adds32,
.opt_opc = vecop_list_add,
.vece = MO_32 },
{ .fni8 = tcg_gen_add_i64,
.fniv = tcg_gen_add_vec,
.fno = gen_helper_gvec_adds64,
.opt_opc = vecop_list_add,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, c, &g[vece]);
}
void tcg_gen_gvec_addi(unsigned vece, uint32_t dofs, uint32_t aofs,
int64_t c, uint32_t oprsz, uint32_t maxsz)
{
TCGv_i64 tmp = tcg_const_i64(c);
tcg_gen_gvec_adds(vece, dofs, aofs, tmp, oprsz, maxsz);
tcg_temp_free_i64(tmp);
}
static const TCGOpcode vecop_list_sub[] = { INDEX_op_sub_vec, 0 };
void tcg_gen_gvec_subs(unsigned vece, uint32_t dofs, uint32_t aofs,
TCGv_i64 c, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen2s g[4] = {
{ .fni8 = tcg_gen_vec_sub8_i64,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_gvec_subs8,
.opt_opc = vecop_list_sub,
.vece = MO_8 },
{ .fni8 = tcg_gen_vec_sub16_i64,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_gvec_subs16,
.opt_opc = vecop_list_sub,
.vece = MO_16 },
{ .fni4 = tcg_gen_sub_i32,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_gvec_subs32,
.opt_opc = vecop_list_sub,
.vece = MO_32 },
{ .fni8 = tcg_gen_sub_i64,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_gvec_subs64,
.opt_opc = vecop_list_sub,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, c, &g[vece]);
}
/* Perform a vector subtraction using normal subtraction and a mask.
Compare gen_addv_mask above. */
static void gen_subv_mask(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b, TCGv_i64 m)
{
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_or_i64(t1, a, m);
tcg_gen_andc_i64(t2, b, m);
tcg_gen_eqv_i64(t3, a, b);
tcg_gen_sub_i64(d, t1, t2);
tcg_gen_and_i64(t3, t3, m);
tcg_gen_xor_i64(d, d, t3);
tcg_temp_free_i64(t1);
tcg_temp_free_i64(t2);
tcg_temp_free_i64(t3);
}
void tcg_gen_vec_sub8_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
TCGv_i64 m = tcg_const_i64(dup_const(MO_8, 0x80));
gen_subv_mask(d, a, b, m);
tcg_temp_free_i64(m);
}
void tcg_gen_vec_sub16_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
TCGv_i64 m = tcg_const_i64(dup_const(MO_16, 0x8000));
gen_subv_mask(d, a, b, m);
tcg_temp_free_i64(m);
}
void tcg_gen_vec_sub32_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv_i64 t2 = tcg_temp_new_i64();
tcg_gen_andi_i64(t1, b, ~0xffffffffull);
tcg_gen_sub_i64(t2, a, b);
tcg_gen_sub_i64(t1, a, t1);
tcg_gen_deposit_i64(d, t1, t2, 0, 32);
tcg_temp_free_i64(t1);
tcg_temp_free_i64(t2);
}
void tcg_gen_gvec_sub(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen3 g[4] = {
{ .fni8 = tcg_gen_vec_sub8_i64,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_gvec_sub8,
.opt_opc = vecop_list_sub,
.vece = MO_8 },
{ .fni8 = tcg_gen_vec_sub16_i64,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_gvec_sub16,
.opt_opc = vecop_list_sub,
.vece = MO_16 },
{ .fni4 = tcg_gen_sub_i32,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_gvec_sub32,
.opt_opc = vecop_list_sub,
.vece = MO_32 },
{ .fni8 = tcg_gen_sub_i64,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_gvec_sub64,
.opt_opc = vecop_list_sub,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
static const TCGOpcode vecop_list_mul[] = { INDEX_op_mul_vec, 0 };
void tcg_gen_gvec_mul(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_mul_vec,
.fno = gen_helper_gvec_mul8,
.opt_opc = vecop_list_mul,
.vece = MO_8 },
{ .fniv = tcg_gen_mul_vec,
.fno = gen_helper_gvec_mul16,
.opt_opc = vecop_list_mul,
.vece = MO_16 },
{ .fni4 = tcg_gen_mul_i32,
.fniv = tcg_gen_mul_vec,
.fno = gen_helper_gvec_mul32,
.opt_opc = vecop_list_mul,
.vece = MO_32 },
{ .fni8 = tcg_gen_mul_i64,
.fniv = tcg_gen_mul_vec,
.fno = gen_helper_gvec_mul64,
.opt_opc = vecop_list_mul,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
void tcg_gen_gvec_muls(unsigned vece, uint32_t dofs, uint32_t aofs,
TCGv_i64 c, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen2s g[4] = {
{ .fniv = tcg_gen_mul_vec,
.fno = gen_helper_gvec_muls8,
.opt_opc = vecop_list_mul,
.vece = MO_8 },
{ .fniv = tcg_gen_mul_vec,
.fno = gen_helper_gvec_muls16,
.opt_opc = vecop_list_mul,
.vece = MO_16 },
{ .fni4 = tcg_gen_mul_i32,
.fniv = tcg_gen_mul_vec,
.fno = gen_helper_gvec_muls32,
.opt_opc = vecop_list_mul,
.vece = MO_32 },
{ .fni8 = tcg_gen_mul_i64,
.fniv = tcg_gen_mul_vec,
.fno = gen_helper_gvec_muls64,
.opt_opc = vecop_list_mul,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, c, &g[vece]);
}
void tcg_gen_gvec_muli(unsigned vece, uint32_t dofs, uint32_t aofs,
int64_t c, uint32_t oprsz, uint32_t maxsz)
{
TCGv_i64 tmp = tcg_const_i64(c);
tcg_gen_gvec_muls(vece, dofs, aofs, tmp, oprsz, maxsz);
tcg_temp_free_i64(tmp);
}
void tcg_gen_gvec_ssadd(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_ssadd_vec, 0 };
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_ssadd_vec,
.fno = gen_helper_gvec_ssadd8,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fniv = tcg_gen_ssadd_vec,
.fno = gen_helper_gvec_ssadd16,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fniv = tcg_gen_ssadd_vec,
.fno = gen_helper_gvec_ssadd32,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fniv = tcg_gen_ssadd_vec,
.fno = gen_helper_gvec_ssadd64,
.opt_opc = vecop_list,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
void tcg_gen_gvec_sssub(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_sssub_vec, 0 };
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_sssub_vec,
.fno = gen_helper_gvec_sssub8,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fniv = tcg_gen_sssub_vec,
.fno = gen_helper_gvec_sssub16,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fniv = tcg_gen_sssub_vec,
.fno = gen_helper_gvec_sssub32,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fniv = tcg_gen_sssub_vec,
.fno = gen_helper_gvec_sssub64,
.opt_opc = vecop_list,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
static void tcg_gen_usadd_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
TCGv_i32 max = tcg_const_i32(-1);
tcg_gen_add_i32(d, a, b);
tcg_gen_movcond_i32(TCG_COND_LTU, d, d, a, max, d);
tcg_temp_free_i32(max);
}
static void tcg_gen_usadd_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
TCGv_i64 max = tcg_const_i64(-1);
tcg_gen_add_i64(d, a, b);
tcg_gen_movcond_i64(TCG_COND_LTU, d, d, a, max, d);
tcg_temp_free_i64(max);
}
void tcg_gen_gvec_usadd(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_usadd_vec, 0 };
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_usadd_vec,
.fno = gen_helper_gvec_usadd8,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fniv = tcg_gen_usadd_vec,
.fno = gen_helper_gvec_usadd16,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_usadd_i32,
.fniv = tcg_gen_usadd_vec,
.fno = gen_helper_gvec_usadd32,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_usadd_i64,
.fniv = tcg_gen_usadd_vec,
.fno = gen_helper_gvec_usadd64,
.opt_opc = vecop_list,
.vece = MO_64 }
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
static void tcg_gen_ussub_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
TCGv_i32 min = tcg_const_i32(0);
tcg_gen_sub_i32(d, a, b);
tcg_gen_movcond_i32(TCG_COND_LTU, d, a, b, min, d);
tcg_temp_free_i32(min);
}
static void tcg_gen_ussub_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
TCGv_i64 min = tcg_const_i64(0);
tcg_gen_sub_i64(d, a, b);
tcg_gen_movcond_i64(TCG_COND_LTU, d, a, b, min, d);
tcg_temp_free_i64(min);
}
void tcg_gen_gvec_ussub(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_ussub_vec, 0 };
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_ussub_vec,
.fno = gen_helper_gvec_ussub8,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fniv = tcg_gen_ussub_vec,
.fno = gen_helper_gvec_ussub16,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_ussub_i32,
.fniv = tcg_gen_ussub_vec,
.fno = gen_helper_gvec_ussub32,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_ussub_i64,
.fniv = tcg_gen_ussub_vec,
.fno = gen_helper_gvec_ussub64,
.opt_opc = vecop_list,
.vece = MO_64 }
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
void tcg_gen_gvec_smin(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_smin_vec, 0 };
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_smin_vec,
.fno = gen_helper_gvec_smin8,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fniv = tcg_gen_smin_vec,
.fno = gen_helper_gvec_smin16,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_smin_i32,
.fniv = tcg_gen_smin_vec,
.fno = gen_helper_gvec_smin32,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_smin_i64,
.fniv = tcg_gen_smin_vec,
.fno = gen_helper_gvec_smin64,
.opt_opc = vecop_list,
.vece = MO_64 }
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
void tcg_gen_gvec_umin(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_umin_vec, 0 };
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_umin_vec,
.fno = gen_helper_gvec_umin8,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fniv = tcg_gen_umin_vec,
.fno = gen_helper_gvec_umin16,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_umin_i32,
.fniv = tcg_gen_umin_vec,
.fno = gen_helper_gvec_umin32,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_umin_i64,
.fniv = tcg_gen_umin_vec,
.fno = gen_helper_gvec_umin64,
.opt_opc = vecop_list,
.vece = MO_64 }
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
void tcg_gen_gvec_smax(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_smax_vec, 0 };
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_smax_vec,
.fno = gen_helper_gvec_smax8,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fniv = tcg_gen_smax_vec,
.fno = gen_helper_gvec_smax16,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_smax_i32,
.fniv = tcg_gen_smax_vec,
.fno = gen_helper_gvec_smax32,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_smax_i64,
.fniv = tcg_gen_smax_vec,
.fno = gen_helper_gvec_smax64,
.opt_opc = vecop_list,
.vece = MO_64 }
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
void tcg_gen_gvec_umax(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_umax_vec, 0 };
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_umax_vec,
.fno = gen_helper_gvec_umax8,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fniv = tcg_gen_umax_vec,
.fno = gen_helper_gvec_umax16,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_umax_i32,
.fniv = tcg_gen_umax_vec,
.fno = gen_helper_gvec_umax32,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_umax_i64,
.fniv = tcg_gen_umax_vec,
.fno = gen_helper_gvec_umax64,
.opt_opc = vecop_list,
.vece = MO_64 }
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
/* Perform a vector negation using normal negation and a mask.
Compare gen_subv_mask above. */
static void gen_negv_mask(TCGv_i64 d, TCGv_i64 b, TCGv_i64 m)
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_andc_i64(t3, m, b);
tcg_gen_andc_i64(t2, b, m);
tcg_gen_sub_i64(d, m, t2);
tcg_gen_xor_i64(d, d, t3);
tcg_temp_free_i64(t2);
tcg_temp_free_i64(t3);
}
void tcg_gen_vec_neg8_i64(TCGv_i64 d, TCGv_i64 b)
{
TCGv_i64 m = tcg_const_i64(dup_const(MO_8, 0x80));
gen_negv_mask(d, b, m);
tcg_temp_free_i64(m);
}
void tcg_gen_vec_neg16_i64(TCGv_i64 d, TCGv_i64 b)
{
TCGv_i64 m = tcg_const_i64(dup_const(MO_16, 0x8000));
gen_negv_mask(d, b, m);
tcg_temp_free_i64(m);
}
void tcg_gen_vec_neg32_i64(TCGv_i64 d, TCGv_i64 b)
{
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv_i64 t2 = tcg_temp_new_i64();
tcg_gen_andi_i64(t1, b, ~0xffffffffull);
tcg_gen_neg_i64(t2, b);
tcg_gen_neg_i64(t1, t1);
tcg_gen_deposit_i64(d, t1, t2, 0, 32);
tcg_temp_free_i64(t1);
tcg_temp_free_i64(t2);
}
void tcg_gen_gvec_neg(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_neg_vec, 0 };
static const GVecGen2 g[4] = {
{ .fni8 = tcg_gen_vec_neg8_i64,
.fniv = tcg_gen_neg_vec,
.fno = gen_helper_gvec_neg8,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fni8 = tcg_gen_vec_neg16_i64,
.fniv = tcg_gen_neg_vec,
.fno = gen_helper_gvec_neg16,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_neg_i32,
.fniv = tcg_gen_neg_vec,
.fno = gen_helper_gvec_neg32,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_neg_i64,
.fniv = tcg_gen_neg_vec,
.fno = gen_helper_gvec_neg64,
.opt_opc = vecop_list,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_2(dofs, aofs, oprsz, maxsz, &g[vece]);
}
void tcg_gen_gvec_and(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen3 g = {
.fni8 = tcg_gen_and_i64,
.fniv = tcg_gen_and_vec,
.fno = gen_helper_gvec_and,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (aofs == bofs) {
tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz);
} else {
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g);
}
}
void tcg_gen_gvec_or(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen3 g = {
.fni8 = tcg_gen_or_i64,
.fniv = tcg_gen_or_vec,
.fno = gen_helper_gvec_or,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (aofs == bofs) {
tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz);
} else {
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g);
}
}
void tcg_gen_gvec_xor(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen3 g = {
.fni8 = tcg_gen_xor_i64,
.fniv = tcg_gen_xor_vec,
.fno = gen_helper_gvec_xor,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (aofs == bofs) {
tcg_gen_gvec_dup8i(dofs, oprsz, maxsz, 0);
} else {
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g);
}
}
void tcg_gen_gvec_andc(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen3 g = {
.fni8 = tcg_gen_andc_i64,
.fniv = tcg_gen_andc_vec,
.fno = gen_helper_gvec_andc,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (aofs == bofs) {
tcg_gen_gvec_dup8i(dofs, oprsz, maxsz, 0);
} else {
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g);
}
}
void tcg_gen_gvec_orc(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen3 g = {
.fni8 = tcg_gen_orc_i64,
.fniv = tcg_gen_orc_vec,
.fno = gen_helper_gvec_orc,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (aofs == bofs) {
tcg_gen_gvec_dup8i(dofs, oprsz, maxsz, -1);
} else {
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g);
}
}
void tcg_gen_gvec_nand(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen3 g = {
.fni8 = tcg_gen_nand_i64,
.fniv = tcg_gen_nand_vec,
.fno = gen_helper_gvec_nand,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (aofs == bofs) {
tcg_gen_gvec_not(vece, dofs, aofs, oprsz, maxsz);
} else {
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g);
}
}
void tcg_gen_gvec_nor(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen3 g = {
.fni8 = tcg_gen_nor_i64,
.fniv = tcg_gen_nor_vec,
.fno = gen_helper_gvec_nor,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (aofs == bofs) {
tcg_gen_gvec_not(vece, dofs, aofs, oprsz, maxsz);
} else {
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g);
}
}
void tcg_gen_gvec_eqv(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen3 g = {
.fni8 = tcg_gen_eqv_i64,
.fniv = tcg_gen_eqv_vec,
.fno = gen_helper_gvec_eqv,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (aofs == bofs) {
tcg_gen_gvec_dup8i(dofs, oprsz, maxsz, -1);
} else {
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g);
}
}
static const GVecGen2s gop_ands = {
.fni8 = tcg_gen_and_i64,
.fniv = tcg_gen_and_vec,
.fno = gen_helper_gvec_ands,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64
};
void tcg_gen_gvec_ands(unsigned vece, uint32_t dofs, uint32_t aofs,
TCGv_i64 c, uint32_t oprsz, uint32_t maxsz)
{
TCGv_i64 tmp = tcg_temp_new_i64();
gen_dup_i64(vece, tmp, c);
tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_ands);
tcg_temp_free_i64(tmp);
}
void tcg_gen_gvec_andi(unsigned vece, uint32_t dofs, uint32_t aofs,
int64_t c, uint32_t oprsz, uint32_t maxsz)
{
TCGv_i64 tmp = tcg_const_i64(dup_const(vece, c));
tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_ands);
tcg_temp_free_i64(tmp);
}
static const GVecGen2s gop_xors = {
.fni8 = tcg_gen_xor_i64,
.fniv = tcg_gen_xor_vec,
.fno = gen_helper_gvec_xors,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64
};
void tcg_gen_gvec_xors(unsigned vece, uint32_t dofs, uint32_t aofs,
TCGv_i64 c, uint32_t oprsz, uint32_t maxsz)
{
TCGv_i64 tmp = tcg_temp_new_i64();
gen_dup_i64(vece, tmp, c);
tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_xors);
tcg_temp_free_i64(tmp);
}
void tcg_gen_gvec_xori(unsigned vece, uint32_t dofs, uint32_t aofs,
int64_t c, uint32_t oprsz, uint32_t maxsz)
{
TCGv_i64 tmp = tcg_const_i64(dup_const(vece, c));
tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_xors);
tcg_temp_free_i64(tmp);
}
static const GVecGen2s gop_ors = {
.fni8 = tcg_gen_or_i64,
.fniv = tcg_gen_or_vec,
.fno = gen_helper_gvec_ors,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64
};
void tcg_gen_gvec_ors(unsigned vece, uint32_t dofs, uint32_t aofs,
TCGv_i64 c, uint32_t oprsz, uint32_t maxsz)
{
TCGv_i64 tmp = tcg_temp_new_i64();
gen_dup_i64(vece, tmp, c);
tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_ors);
tcg_temp_free_i64(tmp);
}
void tcg_gen_gvec_ori(unsigned vece, uint32_t dofs, uint32_t aofs,
int64_t c, uint32_t oprsz, uint32_t maxsz)
{
TCGv_i64 tmp = tcg_const_i64(dup_const(vece, c));
tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_ors);
tcg_temp_free_i64(tmp);
}
void tcg_gen_vec_shl8i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c)
{
uint64_t mask = dup_const(MO_8, 0xff << c);
tcg_gen_shli_i64(d, a, c);
tcg_gen_andi_i64(d, d, mask);
}
void tcg_gen_vec_shl16i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c)
{
uint64_t mask = dup_const(MO_16, 0xffff << c);
tcg_gen_shli_i64(d, a, c);
tcg_gen_andi_i64(d, d, mask);
}
void tcg_gen_gvec_shli(unsigned vece, uint32_t dofs, uint32_t aofs,
int64_t shift, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_shli_vec, 0 };
static const GVecGen2i g[4] = {
{ .fni8 = tcg_gen_vec_shl8i_i64,
.fniv = tcg_gen_shli_vec,
.fno = gen_helper_gvec_shl8i,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fni8 = tcg_gen_vec_shl16i_i64,
.fniv = tcg_gen_shli_vec,
.fno = gen_helper_gvec_shl16i,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_shli_i32,
.fniv = tcg_gen_shli_vec,
.fno = gen_helper_gvec_shl32i,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_shli_i64,
.fniv = tcg_gen_shli_vec,
.fno = gen_helper_gvec_shl64i,
.opt_opc = vecop_list,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_debug_assert(shift >= 0 && shift < (8 << vece));
if (shift == 0) {
tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz);
} else {
tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, shift, &g[vece]);
}
}
void tcg_gen_vec_shr8i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c)
{
uint64_t mask = dup_const(MO_8, 0xff >> c);
tcg_gen_shri_i64(d, a, c);
tcg_gen_andi_i64(d, d, mask);
}
void tcg_gen_vec_shr16i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c)
{
uint64_t mask = dup_const(MO_16, 0xffff >> c);
tcg_gen_shri_i64(d, a, c);
tcg_gen_andi_i64(d, d, mask);
}
void tcg_gen_gvec_shri(unsigned vece, uint32_t dofs, uint32_t aofs,
int64_t shift, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_shri_vec, 0 };
static const GVecGen2i g[4] = {
{ .fni8 = tcg_gen_vec_shr8i_i64,
.fniv = tcg_gen_shri_vec,
.fno = gen_helper_gvec_shr8i,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fni8 = tcg_gen_vec_shr16i_i64,
.fniv = tcg_gen_shri_vec,
.fno = gen_helper_gvec_shr16i,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_shri_i32,
.fniv = tcg_gen_shri_vec,
.fno = gen_helper_gvec_shr32i,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_shri_i64,
.fniv = tcg_gen_shri_vec,
.fno = gen_helper_gvec_shr64i,
.opt_opc = vecop_list,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_debug_assert(shift >= 0 && shift < (8 << vece));
if (shift == 0) {
tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz);
} else {
tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, shift, &g[vece]);
}
}
void tcg_gen_vec_sar8i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c)
{
uint64_t s_mask = dup_const(MO_8, 0x80 >> c);
uint64_t c_mask = dup_const(MO_8, 0xff >> c);
TCGv_i64 s = tcg_temp_new_i64();
tcg_gen_shri_i64(d, a, c);
tcg_gen_andi_i64(s, d, s_mask); /* isolate (shifted) sign bit */
tcg_gen_muli_i64(s, s, (2 << c) - 2); /* replicate isolated signs */
tcg_gen_andi_i64(d, d, c_mask); /* clear out bits above sign */
tcg_gen_or_i64(d, d, s); /* include sign extension */
tcg_temp_free_i64(s);
}
void tcg_gen_vec_sar16i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c)
{
uint64_t s_mask = dup_const(MO_16, 0x8000 >> c);
uint64_t c_mask = dup_const(MO_16, 0xffff >> c);
TCGv_i64 s = tcg_temp_new_i64();
tcg_gen_shri_i64(d, a, c);
tcg_gen_andi_i64(s, d, s_mask); /* isolate (shifted) sign bit */
tcg_gen_andi_i64(d, d, c_mask); /* clear out bits above sign */
tcg_gen_muli_i64(s, s, (2 << c) - 2); /* replicate isolated signs */
tcg_gen_or_i64(d, d, s); /* include sign extension */
tcg_temp_free_i64(s);
}
void tcg_gen_gvec_sari(unsigned vece, uint32_t dofs, uint32_t aofs,
int64_t shift, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_sari_vec, 0 };
static const GVecGen2i g[4] = {
{ .fni8 = tcg_gen_vec_sar8i_i64,
.fniv = tcg_gen_sari_vec,
.fno = gen_helper_gvec_sar8i,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fni8 = tcg_gen_vec_sar16i_i64,
.fniv = tcg_gen_sari_vec,
.fno = gen_helper_gvec_sar16i,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_sari_i32,
.fniv = tcg_gen_sari_vec,
.fno = gen_helper_gvec_sar32i,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_sari_i64,
.fniv = tcg_gen_sari_vec,
.fno = gen_helper_gvec_sar64i,
.opt_opc = vecop_list,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_debug_assert(shift >= 0 && shift < (8 << vece));
if (shift == 0) {
tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz);
} else {
tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, shift, &g[vece]);
}
}
/*
* Expand D = A << (B % element bits)
*
* Unlike scalar shifts, where it is easy for the target front end
* to include the modulo as part of the expansion. If the target
* naturally includes the modulo as part of the operation, great!
* If the target has some other behaviour from out-of-range shifts,
* then it could not use this function anyway, and would need to
* do it's own expansion with custom functions.
*/
static void tcg_gen_shlv_mod_vec(unsigned vece, TCGv_vec d,
TCGv_vec a, TCGv_vec b)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
tcg_gen_dupi_vec(vece, t, (8 << vece) - 1);
tcg_gen_and_vec(vece, t, t, b);
tcg_gen_shlv_vec(vece, d, a, t);
tcg_temp_free_vec(t);
}
static void tcg_gen_shl_mod_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
TCGv_i32 t = tcg_temp_new_i32();
tcg_gen_andi_i32(t, b, 31);
tcg_gen_shl_i32(d, a, t);
tcg_temp_free_i32(t);
}
static void tcg_gen_shl_mod_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
TCGv_i64 t = tcg_temp_new_i64();
tcg_gen_andi_i64(t, b, 63);
tcg_gen_shl_i64(d, a, t);
tcg_temp_free_i64(t);
}
void tcg_gen_gvec_shlv(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_shlv_vec, 0 };
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_shlv_mod_vec,
.fno = gen_helper_gvec_shl8v,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fniv = tcg_gen_shlv_mod_vec,
.fno = gen_helper_gvec_shl16v,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_shl_mod_i32,
.fniv = tcg_gen_shlv_mod_vec,
.fno = gen_helper_gvec_shl32v,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_shl_mod_i64,
.fniv = tcg_gen_shlv_mod_vec,
.fno = gen_helper_gvec_shl64v,
.opt_opc = vecop_list,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
/*
* Similarly for logical right shifts.
*/
static void tcg_gen_shrv_mod_vec(unsigned vece, TCGv_vec d,
TCGv_vec a, TCGv_vec b)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
tcg_gen_dupi_vec(vece, t, (8 << vece) - 1);
tcg_gen_and_vec(vece, t, t, b);
tcg_gen_shrv_vec(vece, d, a, t);
tcg_temp_free_vec(t);
}
static void tcg_gen_shr_mod_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
TCGv_i32 t = tcg_temp_new_i32();
tcg_gen_andi_i32(t, b, 31);
tcg_gen_shr_i32(d, a, t);
tcg_temp_free_i32(t);
}
static void tcg_gen_shr_mod_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
TCGv_i64 t = tcg_temp_new_i64();
tcg_gen_andi_i64(t, b, 63);
tcg_gen_shr_i64(d, a, t);
tcg_temp_free_i64(t);
}
void tcg_gen_gvec_shrv(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_shrv_vec, 0 };
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_shrv_mod_vec,
.fno = gen_helper_gvec_shr8v,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fniv = tcg_gen_shrv_mod_vec,
.fno = gen_helper_gvec_shr16v,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_shr_mod_i32,
.fniv = tcg_gen_shrv_mod_vec,
.fno = gen_helper_gvec_shr32v,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_shr_mod_i64,
.fniv = tcg_gen_shrv_mod_vec,
.fno = gen_helper_gvec_shr64v,
.opt_opc = vecop_list,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
/*
* Similarly for arithmetic right shifts.
*/
static void tcg_gen_sarv_mod_vec(unsigned vece, TCGv_vec d,
TCGv_vec a, TCGv_vec b)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
tcg_gen_dupi_vec(vece, t, (8 << vece) - 1);
tcg_gen_and_vec(vece, t, t, b);
tcg_gen_sarv_vec(vece, d, a, t);
tcg_temp_free_vec(t);
}
static void tcg_gen_sar_mod_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
TCGv_i32 t = tcg_temp_new_i32();
tcg_gen_andi_i32(t, b, 31);
tcg_gen_sar_i32(d, a, t);
tcg_temp_free_i32(t);
}
static void tcg_gen_sar_mod_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
TCGv_i64 t = tcg_temp_new_i64();
tcg_gen_andi_i64(t, b, 63);
tcg_gen_sar_i64(d, a, t);
tcg_temp_free_i64(t);
}
void tcg_gen_gvec_sarv(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop_list[] = { INDEX_op_sarv_vec, 0 };
static const GVecGen3 g[4] = {
{ .fniv = tcg_gen_sarv_mod_vec,
.fno = gen_helper_gvec_sar8v,
.opt_opc = vecop_list,
.vece = MO_8 },
{ .fniv = tcg_gen_sarv_mod_vec,
.fno = gen_helper_gvec_sar16v,
.opt_opc = vecop_list,
.vece = MO_16 },
{ .fni4 = tcg_gen_sar_mod_i32,
.fniv = tcg_gen_sarv_mod_vec,
.fno = gen_helper_gvec_sar32v,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fni8 = tcg_gen_sar_mod_i64,
.fniv = tcg_gen_sarv_mod_vec,
.fno = gen_helper_gvec_sar64v,
.opt_opc = vecop_list,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
tcg_debug_assert(vece <= MO_64);
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
/* Expand OPSZ bytes worth of three-operand operations using i32 elements. */
static void expand_cmp_i32(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t oprsz, TCGCond cond)
{
TCGv_i32 t0 = tcg_temp_new_i32();
TCGv_i32 t1 = tcg_temp_new_i32();
uint32_t i;
for (i = 0; i < oprsz; i += 4) {
tcg_gen_ld_i32(t0, cpu_env, aofs + i);
tcg_gen_ld_i32(t1, cpu_env, bofs + i);
tcg_gen_setcond_i32(cond, t0, t0, t1);
tcg_gen_neg_i32(t0, t0);
tcg_gen_st_i32(t0, cpu_env, dofs + i);
}
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t0);
}
static void expand_cmp_i64(uint32_t dofs, uint32_t aofs, uint32_t bofs,
uint32_t oprsz, TCGCond cond)
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
uint32_t i;
for (i = 0; i < oprsz; i += 8) {
tcg_gen_ld_i64(t0, cpu_env, aofs + i);
tcg_gen_ld_i64(t1, cpu_env, bofs + i);
tcg_gen_setcond_i64(cond, t0, t0, t1);
tcg_gen_neg_i64(t0, t0);
tcg_gen_st_i64(t0, cpu_env, dofs + i);
}
tcg_temp_free_i64(t1);
tcg_temp_free_i64(t0);
}
static void expand_cmp_vec(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t tysz,
TCGType type, TCGCond cond)
{
TCGv_vec t0 = tcg_temp_new_vec(type);
TCGv_vec t1 = tcg_temp_new_vec(type);
uint32_t i;
for (i = 0; i < oprsz; i += tysz) {
tcg_gen_ld_vec(t0, cpu_env, aofs + i);
tcg_gen_ld_vec(t1, cpu_env, bofs + i);
tcg_gen_cmp_vec(cond, vece, t0, t0, t1);
tcg_gen_st_vec(t0, cpu_env, dofs + i);
}
tcg_temp_free_vec(t1);
tcg_temp_free_vec(t0);
}
void tcg_gen_gvec_cmp(TCGCond cond, unsigned vece, uint32_t dofs,
uint32_t aofs, uint32_t bofs,
uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode cmp_list[] = { INDEX_op_cmp_vec, 0 };
static gen_helper_gvec_3 * const eq_fn[4] = {
gen_helper_gvec_eq8, gen_helper_gvec_eq16,
gen_helper_gvec_eq32, gen_helper_gvec_eq64
};
static gen_helper_gvec_3 * const ne_fn[4] = {
gen_helper_gvec_ne8, gen_helper_gvec_ne16,
gen_helper_gvec_ne32, gen_helper_gvec_ne64
};
static gen_helper_gvec_3 * const lt_fn[4] = {
gen_helper_gvec_lt8, gen_helper_gvec_lt16,
gen_helper_gvec_lt32, gen_helper_gvec_lt64
};
static gen_helper_gvec_3 * const le_fn[4] = {
gen_helper_gvec_le8, gen_helper_gvec_le16,
gen_helper_gvec_le32, gen_helper_gvec_le64
};
static gen_helper_gvec_3 * const ltu_fn[4] = {
gen_helper_gvec_ltu8, gen_helper_gvec_ltu16,
gen_helper_gvec_ltu32, gen_helper_gvec_ltu64
};
static gen_helper_gvec_3 * const leu_fn[4] = {
gen_helper_gvec_leu8, gen_helper_gvec_leu16,
gen_helper_gvec_leu32, gen_helper_gvec_leu64
};
static gen_helper_gvec_3 * const * const fns[16] = {
[TCG_COND_EQ] = eq_fn,
[TCG_COND_NE] = ne_fn,
[TCG_COND_LT] = lt_fn,
[TCG_COND_LE] = le_fn,
[TCG_COND_LTU] = ltu_fn,
[TCG_COND_LEU] = leu_fn,
};
const TCGOpcode *hold_list;
TCGType type;
uint32_t some;
check_size_align(oprsz, maxsz, dofs | aofs | bofs);
check_overlap_3(dofs, aofs, bofs, maxsz);
if (cond == TCG_COND_NEVER || cond == TCG_COND_ALWAYS) {
do_dup(MO_8, dofs, oprsz, maxsz,
NULL, NULL, -(cond == TCG_COND_ALWAYS));
return;
}
/*
* Implement inline with a vector type, if possible.
* Prefer integer when 64-bit host and 64-bit comparison.
*/
hold_list = tcg_swap_vecop_list(cmp_list);
type = choose_vector_type(cmp_list, vece, oprsz,
TCG_TARGET_REG_BITS == 64 && vece == MO_64);
switch (type) {
case TCG_TYPE_V256:
/* Recall that ARM SVE allows vector sizes that are not a
* power of 2, but always a multiple of 16. The intent is
* that e.g. size == 80 would be expanded with 2x32 + 1x16.
*/
some = QEMU_ALIGN_DOWN(oprsz, 32);
expand_cmp_vec(vece, dofs, aofs, bofs, some, 32, TCG_TYPE_V256, cond);
if (some == oprsz) {
break;
}
dofs += some;
aofs += some;
bofs += some;
oprsz -= some;
maxsz -= some;
/* fallthru */
case TCG_TYPE_V128:
expand_cmp_vec(vece, dofs, aofs, bofs, oprsz, 16, TCG_TYPE_V128, cond);
break;
case TCG_TYPE_V64:
expand_cmp_vec(vece, dofs, aofs, bofs, oprsz, 8, TCG_TYPE_V64, cond);
break;
case 0:
if (vece == MO_64 && check_size_impl(oprsz, 8)) {
expand_cmp_i64(dofs, aofs, bofs, oprsz, cond);
} else if (vece == MO_32 && check_size_impl(oprsz, 4)) {
expand_cmp_i32(dofs, aofs, bofs, oprsz, cond);
} else {
gen_helper_gvec_3 * const *fn = fns[cond];
if (fn == NULL) {
uint32_t tmp;
tmp = aofs, aofs = bofs, bofs = tmp;
cond = tcg_swap_cond(cond);
fn = fns[cond];
assert(fn != NULL);
}
tcg_gen_gvec_3_ool(dofs, aofs, bofs, oprsz, maxsz, 0, fn[vece]);
oprsz = maxsz;
}
break;
default:
g_assert_not_reached();
}
tcg_swap_vecop_list(hold_list);
if (oprsz < maxsz) {
expand_clr(dofs + oprsz, maxsz - oprsz);
}
}
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