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From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: richard.henderson@linaro.org
Subject: [PATCH 09/14] target/i386: add a few more trivial CCPrepare cases
Date: Mon, 28 Oct 2024 16:18:46 +0100	[thread overview]
Message-ID: <20241028151851.376355-10-pbonzini@redhat.com> (raw)
In-Reply-To: <20241028151851.376355-1-pbonzini@redhat.com>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/tcg/translate.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index d3bbcf7317c..6e89d4faef1 100644
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -993,6 +993,7 @@ static CCPrepare gen_prepare_eflags_o(DisasContext *s, TCGv reg)
     case CC_OP_ADCOX:
         return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src2,
                              .no_setcond = true };
+    case CC_OP_LOGICB ... CC_OP_LOGICQ:
     case CC_OP_POPCNT:
         return (CCPrepare) { .cond = TCG_COND_NEVER };
     case CC_OP_MULB ... CC_OP_MULQ:
@@ -1021,6 +1022,8 @@ static CCPrepare gen_prepare_eflags_z(DisasContext *s, TCGv reg)
         }
         gen_helper_cc_compute_nz(reg, cpu_cc_dst, cpu_cc_src, cpu_cc_op);
         return (CCPrepare) { .cond = TCG_COND_EQ, .reg = reg, .imm = 0 };
+    case CC_OP_POPCNT:
+        return (CCPrepare) { .cond = TCG_COND_EQ, .reg = cpu_cc_dst };
     default:
         {
             MemOp size = cc_op_size(s->cc_op);
-- 
2.47.0



  parent reply	other threads:[~2024-10-28 15:21 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-28 15:18 [PATCH v2 00/14] target/i386: miscellaneous flags improvements Paolo Bonzini
2024-10-28 15:18 ` [PATCH 01/14] target/i386: use tcg_gen_ext_tl when applicable Paolo Bonzini
2024-10-28 15:18 ` [PATCH 02/14] target/i386: Tidy cc_op_str usage Paolo Bonzini
2024-10-28 15:18 ` [PATCH 03/14] target/i386: remove CC_OP_CLR Paolo Bonzini
2024-10-28 15:18 ` [PATCH 04/14] target/i386: Rearrange CCOp Paolo Bonzini
2024-10-28 15:18 ` [PATCH 05/14] target/i386: Introduce cc_op_size Paolo Bonzini
2024-10-28 15:18 ` [PATCH 06/14] target/i386: Wrap cc_op_live with a validity check Paolo Bonzini
2024-10-28 15:18 ` [PATCH 07/14] target/i386: optimize computation of ZF from CC_OP_DYNAMIC Paolo Bonzini
2024-10-29 15:43   ` Richard Henderson
2024-10-28 15:18 ` [PATCH 08/14] target/i386: optimize TEST+Jxx sequences Paolo Bonzini
2024-10-28 15:18 ` Paolo Bonzini [this message]
2024-10-28 15:18 ` [PATCH 10/14] target/i386: add a note about gen_jcc1 Paolo Bonzini
2024-10-29 15:44   ` Richard Henderson
2024-10-28 15:18 ` [PATCH 11/14] target/i386: make flag variables unsigned Paolo Bonzini
2024-10-28 15:18 ` [PATCH 12/14] target/i386: use compiler builtin to compute PF Paolo Bonzini
2024-10-29 15:45   ` Richard Henderson
2024-10-28 15:18 ` [PATCH 13/14] target/i386: use higher-precision arithmetic to compute CF Paolo Bonzini
2024-10-29 15:46   ` Richard Henderson
2024-10-28 15:18 ` [PATCH 14/14] target/i386: use + to put flags together Paolo Bonzini
2024-10-29 15:46   ` Richard Henderson
  -- strict thread matches above, loose matches on Subject: below --
2024-10-20 15:53 [PATCH 00/14] target/i386: miscellaneous flags improvements Paolo Bonzini
2024-10-20 15:53 ` [PATCH 09/14] target/i386: add a few more trivial CCPrepare cases Paolo Bonzini
2024-10-20 20:23   ` Richard Henderson

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