[v3] tcg: Introduce TCG_COND_TST{EQ,NE}

[PATCH v3 10/38] target/alpha: Use TCG_COND_TST{EQ, NE} for CMOVLB{C, S}

Richard Henderson posted 38 patches 10 months, 1 week ago

Diff against v1 v2
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Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Laurent Vivier <laurent@vivier.eu>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, WANG Xuerui <git@xen0n.name>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Aurelien Jarno <aurelien@aurel32.net>, Huacai Chen <chenhuacai@kernel.org>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <Alistair.Francis@wdc.com>, Stefan Weil <sw@weilnetz.de>

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[PATCH v3 10/38] target/alpha: Use TCG_COND_TST{EQ, NE} for CMOVLB{C, S}

Posted by Richard Henderson 10 months, 1 week ago

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/alpha/translate.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/target/alpha/translate.c b/target/alpha/translate.c
index 49e6a7b62d..c7daf46de7 100644
--- a/target/alpha/translate.c
+++ b/target/alpha/translate.c
@@ -1676,16 +1676,12 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn)
             break;
         case 0x14:
             /* CMOVLBS */
-            tmp = tcg_temp_new();
-            tcg_gen_andi_i64(tmp, va, 1);
-            tcg_gen_movcond_i64(TCG_COND_NE, vc, tmp, load_zero(ctx),
+            tcg_gen_movcond_i64(TCG_COND_TSTNE, vc, va, tcg_constant_i64(1),
                                 vb, load_gpr(ctx, rc));
             break;
         case 0x16:
             /* CMOVLBC */
-            tmp = tcg_temp_new();
-            tcg_gen_andi_i64(tmp, va, 1);
-            tcg_gen_movcond_i64(TCG_COND_EQ, vc, tmp, load_zero(ctx),
+            tcg_gen_movcond_i64(TCG_COND_TSTEQ, vc, va, tcg_constant_i64(1),
                                 vb, load_gpr(ctx, rc));
             break;
         case 0x20:
-- 
2.34.1