tcg/loongarch64: Implement sign-/zero-extension ops

Signed-off-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211221054105.178795-12-git@xen0n.name>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
WANG Xuerui 2021-12-21 13:40:45 +08:00 committed by Richard Henderson
parent e3b15766b9
commit 6be08fcfc3
3 changed files with 95 additions and 12 deletions

View File

@ -15,3 +15,4 @@
* tcg-target-con-str.h; the constraint combination is inclusive or. * tcg-target-con-str.h; the constraint combination is inclusive or.
*/ */
C_O0_I1(r) C_O0_I1(r)
C_O1_I1(r, r)

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@ -382,6 +382,36 @@ static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg rd,
} }
} }
static void tcg_out_ext8u(TCGContext *s, TCGReg ret, TCGReg arg)
{
tcg_out_opc_andi(s, ret, arg, 0xff);
}
static void tcg_out_ext16u(TCGContext *s, TCGReg ret, TCGReg arg)
{
tcg_out_opc_bstrpick_w(s, ret, arg, 0, 15);
}
static void tcg_out_ext32u(TCGContext *s, TCGReg ret, TCGReg arg)
{
tcg_out_opc_bstrpick_d(s, ret, arg, 0, 31);
}
static void tcg_out_ext8s(TCGContext *s, TCGReg ret, TCGReg arg)
{
tcg_out_opc_sext_b(s, ret, arg);
}
static void tcg_out_ext16s(TCGContext *s, TCGReg ret, TCGReg arg)
{
tcg_out_opc_sext_h(s, ret, arg);
}
static void tcg_out_ext32s(TCGContext *s, TCGReg ret, TCGReg arg)
{
tcg_out_opc_addi_w(s, ret, arg, 0);
}
/* /*
* Entry-points * Entry-points
*/ */
@ -391,6 +421,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
const int const_args[TCG_MAX_OP_ARGS]) const int const_args[TCG_MAX_OP_ARGS])
{ {
TCGArg a0 = args[0]; TCGArg a0 = args[0];
TCGArg a1 = args[1];
switch (opc) { switch (opc) {
case INDEX_op_mb: case INDEX_op_mb:
@ -401,6 +432,41 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_opc_jirl(s, TCG_REG_ZERO, a0, 0); tcg_out_opc_jirl(s, TCG_REG_ZERO, a0, 0);
break; break;
case INDEX_op_ext8s_i32:
case INDEX_op_ext8s_i64:
tcg_out_ext8s(s, a0, a1);
break;
case INDEX_op_ext8u_i32:
case INDEX_op_ext8u_i64:
tcg_out_ext8u(s, a0, a1);
break;
case INDEX_op_ext16s_i32:
case INDEX_op_ext16s_i64:
tcg_out_ext16s(s, a0, a1);
break;
case INDEX_op_ext16u_i32:
case INDEX_op_ext16u_i64:
tcg_out_ext16u(s, a0, a1);
break;
case INDEX_op_ext32u_i64:
case INDEX_op_extu_i32_i64:
tcg_out_ext32u(s, a0, a1);
break;
case INDEX_op_ext32s_i64:
case INDEX_op_extrl_i64_i32:
case INDEX_op_ext_i32_i64:
tcg_out_ext32s(s, a0, a1);
break;
case INDEX_op_extrh_i64_i32:
tcg_out_opc_srai_d(s, a0, a1, 32);
break;
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
case INDEX_op_mov_i64: case INDEX_op_mov_i64:
default: default:
@ -414,6 +480,22 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_goto_ptr: case INDEX_op_goto_ptr:
return C_O0_I1(r); return C_O0_I1(r);
case INDEX_op_ext8s_i32:
case INDEX_op_ext8s_i64:
case INDEX_op_ext8u_i32:
case INDEX_op_ext8u_i64:
case INDEX_op_ext16s_i32:
case INDEX_op_ext16s_i64:
case INDEX_op_ext16u_i32:
case INDEX_op_ext16u_i64:
case INDEX_op_ext32s_i64:
case INDEX_op_ext32u_i64:
case INDEX_op_extu_i32_i64:
case INDEX_op_extrl_i64_i32:
case INDEX_op_extrh_i64_i32:
case INDEX_op_ext_i32_i64:
return C_O1_I1(r, r);
default: default:
g_assert_not_reached(); g_assert_not_reached();
} }

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@ -107,10 +107,10 @@ typedef enum {
#define TCG_TARGET_HAS_muls2_i32 0 #define TCG_TARGET_HAS_muls2_i32 0
#define TCG_TARGET_HAS_muluh_i32 0 #define TCG_TARGET_HAS_muluh_i32 0
#define TCG_TARGET_HAS_mulsh_i32 0 #define TCG_TARGET_HAS_mulsh_i32 0
#define TCG_TARGET_HAS_ext8s_i32 0 #define TCG_TARGET_HAS_ext8s_i32 1
#define TCG_TARGET_HAS_ext16s_i32 0 #define TCG_TARGET_HAS_ext16s_i32 1
#define TCG_TARGET_HAS_ext8u_i32 0 #define TCG_TARGET_HAS_ext8u_i32 1
#define TCG_TARGET_HAS_ext16u_i32 0 #define TCG_TARGET_HAS_ext16u_i32 1
#define TCG_TARGET_HAS_bswap16_i32 0 #define TCG_TARGET_HAS_bswap16_i32 0
#define TCG_TARGET_HAS_bswap32_i32 0 #define TCG_TARGET_HAS_bswap32_i32 0
#define TCG_TARGET_HAS_not_i32 0 #define TCG_TARGET_HAS_not_i32 0
@ -138,14 +138,14 @@ typedef enum {
#define TCG_TARGET_HAS_extract_i64 0 #define TCG_TARGET_HAS_extract_i64 0
#define TCG_TARGET_HAS_sextract_i64 0 #define TCG_TARGET_HAS_sextract_i64 0
#define TCG_TARGET_HAS_extract2_i64 0 #define TCG_TARGET_HAS_extract2_i64 0
#define TCG_TARGET_HAS_extrl_i64_i32 0 #define TCG_TARGET_HAS_extrl_i64_i32 1
#define TCG_TARGET_HAS_extrh_i64_i32 0 #define TCG_TARGET_HAS_extrh_i64_i32 1
#define TCG_TARGET_HAS_ext8s_i64 0 #define TCG_TARGET_HAS_ext8s_i64 1
#define TCG_TARGET_HAS_ext16s_i64 0 #define TCG_TARGET_HAS_ext16s_i64 1
#define TCG_TARGET_HAS_ext32s_i64 0 #define TCG_TARGET_HAS_ext32s_i64 1
#define TCG_TARGET_HAS_ext8u_i64 0 #define TCG_TARGET_HAS_ext8u_i64 1
#define TCG_TARGET_HAS_ext16u_i64 0 #define TCG_TARGET_HAS_ext16u_i64 1
#define TCG_TARGET_HAS_ext32u_i64 0 #define TCG_TARGET_HAS_ext32u_i64 1
#define TCG_TARGET_HAS_bswap16_i64 0 #define TCG_TARGET_HAS_bswap16_i64 0
#define TCG_TARGET_HAS_bswap32_i64 0 #define TCG_TARGET_HAS_bswap32_i64 0
#define TCG_TARGET_HAS_bswap64_i64 0 #define TCG_TARGET_HAS_bswap64_i64 0