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[Qemu-commits] [COMMIT cfa9051] Fix desynchronization of condition code
From: |
Anthony Liguori |
Subject: |
[Qemu-commits] [COMMIT cfa9051] Fix desynchronization of condition code state when amemory access traps |
Date: |
Sat, 15 Aug 2009 20:06:49 -0000 |
From: Blue Swirl <address@hidden>
Signed-off-by: Blue Swirl <address@hidden>
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 5ef543a..9bbfd3c 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -912,6 +912,11 @@ static inline void save_npc(DisasContext *dc, TCGv cond)
static inline void save_state(DisasContext *dc, TCGv cond)
{
tcg_gen_movi_tl(cpu_pc, dc->pc);
+ /* flush pending conditional evaluations before exposing cpu state */
+ if (dc->cc_op != CC_OP_FLAGS) {
+ dc->cc_op = CC_OP_FLAGS;
+ gen_helper_compute_psr();
+ }
save_npc(dc, cond);
}
@@ -4110,6 +4115,12 @@ static void disas_sparc_insn(DisasContext * dc)
{
unsigned int xop = GET_FIELD(insn, 7, 12);
+ /* flush pending conditional evaluations before exposing
+ cpu state */
+ if (dc->cc_op != CC_OP_FLAGS) {
+ dc->cc_op = CC_OP_FLAGS;
+ gen_helper_compute_psr();
+ }
cpu_src1 = get_src1(insn, cpu_src1);
if (xop == 0x3c || xop == 0x3e) { // V9 casa/casxa
rs2 = GET_FIELD(insn, 27, 31);
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