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Wed, 10 Dec 2025 05:17:05 -0800 (PST) X-Google-Smtp-Source: AGHT+IGQx2rPCHVS2/HEnZT+9KcaqjOkQO8dc5sYXmuWAv1UJeOINbg032pVZdvpdYqEeiqpt7tSqQ== X-Received: by 2002:a05:600c:6089:b0:477:55c9:c3ea with SMTP id 5b1f17b1804b1-47a837a3110mr20460845e9.35.1765372625165; Wed, 10 Dec 2025 05:17:05 -0800 (PST) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH 05/18] target/i386/tcg: do not compute all flags for SAHF Date: Wed, 10 Dec 2025 14:16:40 +0100 Message-ID: <20251210131653.852163-6-pbonzini@redhat.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251210131653.852163-1-pbonzini@redhat.com> References: <20251210131653.852163-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; 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Signed-off-by: Paolo Bonzini Reviewed-by: Richard Henderson --- target/i386/tcg/emit.c.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/tcg/emit.c.inc b/target/i386/tcg/emit.c.inc index 22e53f5b000..131aefce53c 100644 --- a/target/i386/tcg/emit.c.inc +++ b/target/i386/tcg/emit.c.inc @@ -3778,7 +3778,7 @@ static void gen_SAHF(DisasContext *s, X86DecodedInsn = *decode) return gen_illegal_opcode(s); } tcg_gen_shri_tl(s->T0, cpu_regs[R_EAX], 8); - gen_compute_eflags(s); + gen_neg_setcc(s, JCC_O << 1, cpu_cc_src); tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, CC_O); tcg_gen_andi_tl(s->T0, s->T0, CC_S | CC_Z | CC_A | CC_P | CC_C); tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, s->T0); --=20 2.52.0