target/arm: Use gvec for NEON_3R_VML

Move mla_op and mls_op expanders from translate-a64.c.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181011205206.3552-16-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-10-24 07:50:19 +01:00 committed by Peter Maydell
parent f3cd8218d1
commit 4a7832b095
3 changed files with 120 additions and 122 deletions

View File

@ -10416,66 +10416,6 @@ static void disas_simd_3same_float(DisasContext *s, uint32_t insn)
}
}
static void gen_mla8_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
gen_helper_neon_mul_u8(a, a, b);
gen_helper_neon_add_u8(d, d, a);
}
static void gen_mla16_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
gen_helper_neon_mul_u16(a, a, b);
gen_helper_neon_add_u16(d, d, a);
}
static void gen_mla32_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
tcg_gen_mul_i32(a, a, b);
tcg_gen_add_i32(d, d, a);
}
static void gen_mla64_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
tcg_gen_mul_i64(a, a, b);
tcg_gen_add_i64(d, d, a);
}
static void gen_mla_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
{
tcg_gen_mul_vec(vece, a, a, b);
tcg_gen_add_vec(vece, d, d, a);
}
static void gen_mls8_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
gen_helper_neon_mul_u8(a, a, b);
gen_helper_neon_sub_u8(d, d, a);
}
static void gen_mls16_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
gen_helper_neon_mul_u16(a, a, b);
gen_helper_neon_sub_u16(d, d, a);
}
static void gen_mls32_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
tcg_gen_mul_i32(a, a, b);
tcg_gen_sub_i32(d, d, a);
}
static void gen_mls64_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
tcg_gen_mul_i64(a, a, b);
tcg_gen_sub_i64(d, d, a);
}
static void gen_mls_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
{
tcg_gen_mul_vec(vece, a, a, b);
tcg_gen_sub_vec(vece, d, d, a);
}
/* Integer op subgroup of C3.6.16. */
static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
{
@ -10494,52 +10434,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64 },
};
static const GVecGen3 mla_op[4] = {
{ .fni4 = gen_mla8_i32,
.fniv = gen_mla_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_8 },
{ .fni4 = gen_mla16_i32,
.fniv = gen_mla_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_16 },
{ .fni4 = gen_mla32_i32,
.fniv = gen_mla_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_32 },
{ .fni8 = gen_mla64_i64,
.fniv = gen_mla_vec,
.opc = INDEX_op_mul_vec,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.load_dest = true,
.vece = MO_64 },
};
static const GVecGen3 mls_op[4] = {
{ .fni4 = gen_mls8_i32,
.fniv = gen_mls_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_8 },
{ .fni4 = gen_mls16_i32,
.fniv = gen_mls_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_16 },
{ .fni4 = gen_mls32_i32,
.fniv = gen_mls_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_32 },
{ .fni8 = gen_mls64_i64,
.fniv = gen_mls_vec,
.opc = INDEX_op_mul_vec,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.load_dest = true,
.vece = MO_64 },
};
int is_q = extract32(insn, 30, 1);
int u = extract32(insn, 29, 1);

View File

@ -5468,7 +5468,7 @@ static void gen_neon_narrow_op(int op, int u, int size,
#define NEON_3R_VABA 15
#define NEON_3R_VADD_VSUB 16
#define NEON_3R_VTST_VCEQ 17
#define NEON_3R_VML 18 /* VMLA, VMLAL, VMLS, VMLSL */
#define NEON_3R_VML 18 /* VMLA, VMLS */
#define NEON_3R_VMUL 19
#define NEON_3R_VPMAX 20
#define NEON_3R_VPMIN 21
@ -6032,6 +6032,117 @@ const GVecGen2i sli_op[4] = {
.vece = MO_64 },
};
static void gen_mla8_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
gen_helper_neon_mul_u8(a, a, b);
gen_helper_neon_add_u8(d, d, a);
}
static void gen_mls8_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
gen_helper_neon_mul_u8(a, a, b);
gen_helper_neon_sub_u8(d, d, a);
}
static void gen_mla16_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
gen_helper_neon_mul_u16(a, a, b);
gen_helper_neon_add_u16(d, d, a);
}
static void gen_mls16_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
gen_helper_neon_mul_u16(a, a, b);
gen_helper_neon_sub_u16(d, d, a);
}
static void gen_mla32_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
tcg_gen_mul_i32(a, a, b);
tcg_gen_add_i32(d, d, a);
}
static void gen_mls32_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
tcg_gen_mul_i32(a, a, b);
tcg_gen_sub_i32(d, d, a);
}
static void gen_mla64_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
tcg_gen_mul_i64(a, a, b);
tcg_gen_add_i64(d, d, a);
}
static void gen_mls64_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
tcg_gen_mul_i64(a, a, b);
tcg_gen_sub_i64(d, d, a);
}
static void gen_mla_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
{
tcg_gen_mul_vec(vece, a, a, b);
tcg_gen_add_vec(vece, d, d, a);
}
static void gen_mls_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
{
tcg_gen_mul_vec(vece, a, a, b);
tcg_gen_sub_vec(vece, d, d, a);
}
/* Note that while NEON does not support VMLA and VMLS as 64-bit ops,
* these tables are shared with AArch64 which does support them.
*/
const GVecGen3 mla_op[4] = {
{ .fni4 = gen_mla8_i32,
.fniv = gen_mla_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_8 },
{ .fni4 = gen_mla16_i32,
.fniv = gen_mla_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_16 },
{ .fni4 = gen_mla32_i32,
.fniv = gen_mla_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_32 },
{ .fni8 = gen_mla64_i64,
.fniv = gen_mla_vec,
.opc = INDEX_op_mul_vec,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.load_dest = true,
.vece = MO_64 },
};
const GVecGen3 mls_op[4] = {
{ .fni4 = gen_mls8_i32,
.fniv = gen_mls_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_8 },
{ .fni4 = gen_mls16_i32,
.fniv = gen_mls_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_16 },
{ .fni4 = gen_mls32_i32,
.fniv = gen_mls_vec,
.opc = INDEX_op_mul_vec,
.load_dest = true,
.vece = MO_32 },
{ .fni8 = gen_mls64_i64,
.fniv = gen_mls_vec,
.opc = INDEX_op_mul_vec,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.load_dest = true,
.vece = MO_64 },
};
/* Translate a NEON data processing instruction. Return nonzero if the
instruction is invalid.
We process data in a mixture of 32-bit and 64-bit chunks.
@ -6233,7 +6344,13 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
return 0;
}
break;
case NEON_3R_VML: /* VMLA, VMLS */
tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size,
u ? &mls_op[size] : &mla_op[size]);
return 0;
}
if (size == 3) {
/* 64-bit element instructions. */
for (pass = 0; pass < (q ? 2 : 1); pass++) {
@ -6435,21 +6552,6 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
}
}
break;
case NEON_3R_VML: /* VMLA, VMLAL, VMLS,VMLSL */
switch (size) {
case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break;
case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break;
case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break;
default: abort();
}
tcg_temp_free_i32(tmp2);
tmp2 = neon_load_reg(rd, pass);
if (u) { /* VMLS */
gen_neon_rsb(size, tmp, tmp2);
} else { /* VMLA */
gen_neon_add(size, tmp, tmp2);
}
break;
case NEON_3R_VMUL:
/* VMUL.P8; other cases already eliminated. */
gen_helper_neon_mul_p8(tmp, tmp, tmp2);

View File

@ -196,6 +196,8 @@ static inline TCGv_i32 get_ahp_flag(void)
extern const GVecGen3 bsl_op;
extern const GVecGen3 bit_op;
extern const GVecGen3 bif_op;
extern const GVecGen3 mla_op[4];
extern const GVecGen3 mls_op[4];
extern const GVecGen2i ssra_op[4];
extern const GVecGen2i usra_op[4];
extern const GVecGen2i sri_op[4];