| Message ID | 1437994568-7825-2-git-send-email-aurelien@aurel32.net |
|---|---|
| State | New |
| Headers | show |
diff --git a/tcg/tcg.c b/tcg/tcg.c index 7e088b1..9a2508b 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -1920,6 +1920,9 @@ static void tcg_reg_alloc_mov(TCGContext *s, const TCGOpDef *def, } ots->val_type = TEMP_VAL_CONST; ots->val = ts->val; + if (IS_DEAD_ARG(1)) { + temp_dead(s, args[1]); + } } else { /* The code in the first if block should have moved the temp to a register. */
When tcg_reg_alloc_mov propagate a constant, we failed to correctly mark a temp as dead if the liveness analysis hints so. This fixes the following assert when configure with --enable-debug-tcg: qemu-x86_64: tcg/tcg.c:1827: tcg_reg_alloc_bb_end: Assertion `ts->val_type == TEMP_VAL_DEAD' failed. Cc: Richard Henderson <rth@twiddle.net> Reported-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> --- tcg/tcg.c | 3 +++ 1 file changed, 3 insertions(+)