https://gcc.gnu.org/g:c99bdfc459c669346514347a863f1a1e9266cea1
commit r15-9059-gc99bdfc459c669346514347a863f1a1e9266cea1
Author: Richard Biener <rguent...@suse.de>
Date: Thu Mar 27 14:06:00 2025 +0100
target/119010 - add mode attribute to *vmovv16si_constm1_pternlog_false_dep
Like the other instances. This avoids
;; 1--> b 0: i6540 {xmm2=const_vector;unspec[xmm2] 38;} :nothing
PR target/119010
* config/i386/sse.md (*vmov<mode>_constm1_pternlog_false_dep):
Add mode attribute.
Diff:
---
gcc/config/i386/sse.md | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index ed5ac1abe80d..92dc93cb6532 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -1571,7 +1571,11 @@
"TARGET_AVX512VL || <MODE_SIZE> == 64"
"vpternlogd\t{$0xFF, %0, %0, %0|%0, %0, %0, 0xFF}"
[(set_attr "type" "sselog1")
- (set_attr "prefix" "evex")])
+ (set_attr "prefix" "evex")
+ (set (attr "mode")
+ (if_then_else (match_test "TARGET_AVX512VL")
+ (const_string "<sseinsnmode>")
+ (const_string "XI")))])
;; If mem_addr points to a memory region with less than whole vector size bytes
;; of accessible memory and k is a mask that would prevent reading the
inaccessible
