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tcg/arm: Implement negsetcond_i32 

Trivial, as we simply need to load a different constant
in the conditional move.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
master
Richard Henderson 2023-08-05 14:32:57 +00:00
parent f58a7dea0f
commit fe06b89733
2 changed files with 10 additions and 1 deletions
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9
tcg/arm/tcg-target.c.inc
View File

@ -1975,6 +1975,14 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_dat_imm(s, tcg_cond_to_arm_cond[tcg_invert_cond(args[3])],
ARITH_MOV, args[0], 0, 0);
break;
case INDEX_op_negsetcond_i32:
tcg_out_dat_rIN(s, COND_AL, ARITH_CMP, ARITH_CMN, 0,
args[1], args[2], const_args[2]);
tcg_out_dat_imm(s, tcg_cond_to_arm_cond[args[3]],
ARITH_MVN, args[0], 0, 0);
tcg_out_dat_imm(s, tcg_cond_to_arm_cond[tcg_invert_cond(args[3])],
ARITH_MOV, args[0], 0, 0);
break;
case INDEX_op_brcond2_i32:
c = tcg_out_cmp2(s, args, const_args);
@ -2112,6 +2120,7 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_add_i32:
case INDEX_op_sub_i32:
case INDEX_op_setcond_i32:
case INDEX_op_negsetcond_i32:
return C_O1_I2(r, r, rIN);
case INDEX_op_and_i32:

2
tcg/arm/tcg-target.h
View File

@ -116,7 +116,7 @@ extern bool use_neon_instructions;
#define TCG_TARGET_HAS_sextract_i32 use_armv7_instructions
#define TCG_TARGET_HAS_extract2_i32 1
#define TCG_TARGET_HAS_movcond_i32 1
#define TCG_TARGET_HAS_negsetcond_i32 0
#define TCG_TARGET_HAS_negsetcond_i32 1
#define TCG_TARGET_HAS_mulu2_i32 1
#define TCG_TARGET_HAS_muls2_i32 1
#define TCG_TARGET_HAS_muluh_i32 0