When a constant has to be loaded in a mov op, we fail to assign
mem_coherent = 0. This patch fixes that.
Cc: Richard Henderson <r...@twiddle.net>
Signed-off-by: Aurelien Jarno <aurel...@aurel32.net>
---
tcg/tcg.c | 1 +
1 file changed, 1 insertion(+)
I found this issue by review. I haven't been able to trigger it with the
x86 backend, but I wouldn't be surprised if we can trigger it with other
backends, so better fix it for 2.4.
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 9a2508b..0892a9b 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1894,6 +1894,7 @@ static void tcg_reg_alloc_mov(TCGContext *s, const
TCGOpDef *def,
ts->mem_coherent = 1;
} else if (ts->val_type == TEMP_VAL_CONST) {
tcg_out_movi(s, itype, ts->reg, ts->val);
+ ts->mem_coherent = 0;
}
s->reg_to_temp[ts->reg] = args[1];
ts->val_type = TEMP_VAL_REG;
--
2.1.4
