We're about to change canonicalization of masks as extract
instead of and. Retain the andi expansion here.
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
tcg/aarch64/tcg-target.c.inc | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc
index ede6f47235..66eb4b73b5 100644
--- a/tcg/aarch64/tcg-target.c.inc
+++ b/tcg/aarch64/tcg-target.c.inc
@@ -2450,7 +2450,12 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
TCGType ext,
case INDEX_op_extract_i64:
case INDEX_op_extract_i32:
- tcg_out_ubfm(s, ext, a0, a1, a2, a2 + args[3] - 1);
+ if (a2 == 0) {
+ uint64_t mask = MAKE_64BIT_MASK(0, args[3]);
+ tcg_out_logicali(s, I3404_ANDI, ext, a0, a1, mask);
+ } else {
+ tcg_out_ubfm(s, ext, a0, a1, a2, a2 + args[3] - 1);
+ }
break;
case INDEX_op_sextract_i64:
--
2.43.0
