On 12/10/25 07:16, Paolo Bonzini wrote:
Only OF is needed, the others are overwritten.
Signed-off-by: Paolo Bonzini <[email protected]>
---
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);
Reviewed-by: Richard Henderson <[email protected]>
r~
