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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-11-06 14:07:14 -0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-02-03 23:43:50 +0000 |
| commit | 7da3601e624e31a1bd7f94d1557a6e61af883ec8 (patch) | |
| tree | 5b45b544df2d6fae75cd7d4600ffb833b0309402 /target | |
| parent | 50280618d9ae434564a2e321cfb5b248309bed70 (diff) | |
| download | qemu-7da3601e624e31a1bd7f94d1557a6e61af883ec8.zip qemu-7da3601e624e31a1bd7f94d1557a6e61af883ec8.tar.gz qemu-7da3601e624e31a1bd7f94d1557a6e61af883ec8.tar.bz2 | |
target/s390x: Use TCG_COND_TSTNE for CC_OP_{TM,ICM}
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>
Diffstat (limited to 'target')
| -rw-r--r-- | target/s390x/tcg/translate.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index a5fd9cc..05fd295 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: |