public inbox for gcc-cvs@sourceware.org
help / color / mirror / Atom feed
* [gcc r12-6199] Force_reg operand 1.
@ 2022-01-04 3:50 hongtao Liu
0 siblings, 0 replies; only message in thread
From: hongtao Liu @ 2022-01-04 3:50 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:05da96886efa3ccdcc0e4e337ecd01b2827db213
commit r12-6199-g05da96886efa3ccdcc0e4e337ecd01b2827db213
Author: liuhongt <hongtao.liu@intel.com>
Date: Tue Jan 4 09:57:23 2022 +0800
Force_reg operand 1.
Avoid ICE of move pattern from memory to memory.
gcc/ChangeLog:
PR target/103895
* config/i386/sse.md (*bit_and_float_vector_all_ones):
Force_reg operand 1 to avoid ICE.
gcc/testsuite/ChangeLog:
* gcc.target/i386/pr103895.c: New test.
Diff:
---
gcc/config/i386/sse.md | 3 ++-
gcc/testsuite/gcc.target/i386/pr103895.c | 16 ++++++++++++++++
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 033b60d9aa2..fa1d56ae3e3 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -4750,7 +4750,8 @@
"TARGET_SSE && ix86_pre_reload_split ()"
"#"
"&& 1"
- [(set (match_dup 0) (match_dup 1))])
+ [(set (match_dup 0) (match_dup 1))]
+ "operands[1] = force_reg (<MODE>mode, operands[1]);")
(define_expand "copysign<mode>3"
[(set (match_dup 4)
diff --git a/gcc/testsuite/gcc.target/i386/pr103895.c b/gcc/testsuite/gcc.target/i386/pr103895.c
new file mode 100644
index 00000000000..40b827806e7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr103895.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-Og -ffloat-store" } */
+
+#include <emmintrin.h>
+typedef float vFloat __attribute__((__vector_size__(16)));
+float bar_dr;
+vFloat bar_f1;
+void bar() {
+ static vFloat m0;
+ vFloat fa1 = _mm_andnot_ps(m0, bar_f1);
+ __attribute__((__vector_size__(2 * sizeof(double)))) double v3 =
+ _mm_cvtps_pd(fa1);
+ vFloat r1 = _mm_cvtpd_ps(v3);
+ _mm_storeu_ps(&bar_dr, r1);
+}
+
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2022-01-04 3:50 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-04 3:50 [gcc r12-6199] Force_reg operand 1 hongtao Liu
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).