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[PULL 14/39] target/s390x: Use TCG_COND_TSTNE for CC_OP_{TM,ICM}
From: |
Richard Henderson |
Subject: |
[PULL 14/39] target/s390x: Use TCG_COND_TSTNE for CC_OP_{TM,ICM} |
Date: |
Mon, 5 Feb 2024 07:40:27 +1000 |
These are all test-and-compare type instructions.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/s390x/tcg/translate.c | 18 +++++++-----------
1 file changed, 7 insertions(+), 11 deletions(-)
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index a5fd9cccaa..05fd29589c 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -754,10 +754,10 @@ static void disas_jcc(DisasContext *s, DisasCompare *c,
uint32_t mask)
case CC_OP_TM_64:
switch (mask) {
case 8:
- cond = TCG_COND_EQ;
+ cond = TCG_COND_TSTEQ;
break;
case 4 | 2 | 1:
- cond = TCG_COND_NE;
+ cond = TCG_COND_TSTNE;
break;
default:
goto do_dynamic;
@@ -768,11 +768,11 @@ static void disas_jcc(DisasContext *s, DisasCompare *c,
uint32_t mask)
case CC_OP_ICM:
switch (mask) {
case 8:
- cond = TCG_COND_EQ;
+ cond = TCG_COND_TSTEQ;
break;
case 4 | 2 | 1:
case 4 | 2:
- cond = TCG_COND_NE;
+ cond = TCG_COND_TSTNE;
break;
default:
goto do_dynamic;
@@ -854,18 +854,14 @@ static void disas_jcc(DisasContext *s, DisasCompare *c,
uint32_t mask)
c->u.s64.a = cc_dst;
c->u.s64.b = tcg_constant_i64(0);
break;
+
case CC_OP_LTGT_64:
case CC_OP_LTUGTU_64:
- c->u.s64.a = cc_src;
- c->u.s64.b = cc_dst;
- break;
-
case CC_OP_TM_32:
case CC_OP_TM_64:
case CC_OP_ICM:
- c->u.s64.a = tcg_temp_new_i64();
- c->u.s64.b = tcg_constant_i64(0);
- tcg_gen_and_i64(c->u.s64.a, cc_src, cc_dst);
+ c->u.s64.a = cc_src;
+ c->u.s64.b = cc_dst;
break;
case CC_OP_ADDU:
--
2.34.1
- [PULL 06/39] tcg/optimize: Handle TCG_COND_TST{EQ,NE}, (continued)
- [PULL 06/39] tcg/optimize: Handle TCG_COND_TST{EQ,NE}, Richard Henderson, 2024/02/04
- [PULL 05/39] tcg/optimize: Do swap_commutative2 in do_constant_folding_cond2, Richard Henderson, 2024/02/04
- [PULL 04/39] tcg/optimize: Split out do_constant_folding_cond1, Richard Henderson, 2024/02/04
- [PULL 07/39] tcg/optimize: Lower TCG_COND_TST{EQ,NE} if unsupported, Richard Henderson, 2024/02/04
- [PULL 08/39] target/alpha: Pass immediate value to gen_bcond_internal(), Richard Henderson, 2024/02/04
- [PULL 09/39] target/alpha: Use TCG_COND_TST{EQ,NE} for BLB{C,S}, Richard Henderson, 2024/02/04
- [PULL 11/39] target/alpha: Use TCG_COND_TSTNE for gen_fold_mzero, Richard Henderson, 2024/02/04
- [PULL 10/39] target/alpha: Use TCG_COND_TST{EQ,NE} for CMOVLB{C,S}, Richard Henderson, 2024/02/04
- [PULL 12/39] target/m68k: Use TCG_COND_TST{EQ,NE} in gen_fcc_cond, Richard Henderson, 2024/02/04
- [PULL 13/39] target/sparc: Use TCG_COND_TSTEQ in gen_op_mulscc, Richard Henderson, 2024/02/04
- [PULL 14/39] target/s390x: Use TCG_COND_TSTNE for CC_OP_{TM,ICM},
Richard Henderson <=
- [PULL 16/39] tcg: Add TCGConst argument to tcg_target_const_match, Richard Henderson, 2024/02/04
- [PULL 17/39] tcg/aarch64: Support TCG_COND_TST{EQ,NE}, Richard Henderson, 2024/02/04
- [PULL 18/39] tcg/aarch64: Massage tcg_out_brcond(), Richard Henderson, 2024/02/04
- [PULL 19/39] tcg/aarch64: Generate TBZ, TBNZ, Richard Henderson, 2024/02/04
- [PULL 20/39] tcg/aarch64: Generate CBNZ for TSTNE of UINT32_MAX, Richard Henderson, 2024/02/04
- [PULL 21/39] tcg/arm: Split out tcg_out_cmp(), Richard Henderson, 2024/02/04
- [PULL 15/39] target/s390x: Improve general case of disas_jcc, Richard Henderson, 2024/02/04
- [PULL 22/39] tcg/arm: Support TCG_COND_TST{EQ,NE}, Richard Henderson, 2024/02/04
- [PULL 23/39] tcg/i386: Pass x86 condition codes to tcg_out_cmov, Richard Henderson, 2024/02/04
- [PULL 24/39] tcg/i386: Move tcg_cond_to_jcc[] into tcg_out_cmp, Richard Henderson, 2024/02/04