* [PATCH, i386]: Fix REDUC_SSE_SMINMAX_MODE mode iterator
@ 2019-10-28 12:22 Uros Bizjak
0 siblings, 0 replies; only message in thread
From: Uros Bizjak @ 2019-10-28 12:22 UTC (permalink / raw)
To: gcc-patches
[-- Attachment #1: Type: text/plain, Size: 457 bytes --]
2019-10-28 Uroš Bizjak <ubizjak@gmail.com>
PR target/92225
* config/i386/sse.md (REDUC_SSE_SMINMAX_MODE): Use TARGET_SSE4_2
condition for V2DImode.
testsuite/ChangeLog:
2019-10-28 Uroš Bizjak <ubizjak@gmail.com>
PR target/92225
* gcc.target/i386/pr92225.c: New test.
Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
Committed to mainline, will be backported to other release branches.
Uros.
[-- Attachment #2: p.diff.txt --]
[-- Type: text/plain, Size: 1041 bytes --]
Index: config/i386/sse.md
===================================================================
--- config/i386/sse.md (revision 277509)
+++ config/i386/sse.md (working copy)
@@ -2825,7 +2825,7 @@
;; Modes handled by reduc_sm{in,ax}* patterns.
(define_mode_iterator REDUC_SSE_SMINMAX_MODE
[(V4SF "TARGET_SSE") (V2DF "TARGET_SSE")
- (V2DI "TARGET_SSE") (V4SI "TARGET_SSE") (V8HI "TARGET_SSE")
+ (V2DI "TARGET_SSE4_2") (V4SI "TARGET_SSE") (V8HI "TARGET_SSE")
(V16QI "TARGET_SSE")])
(define_expand "reduc_<code>_scal_<mode>"
Index: testsuite/gcc.target/i386/pr92225.c
===================================================================
--- testsuite/gcc.target/i386/pr92225.c (nonexistent)
+++ testsuite/gcc.target/i386/pr92225.c (working copy)
@@ -0,0 +1,19 @@
+/* PR target/92225 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -ftree-vectorize -msse2 -mno-sse4" } */
+
+void a (long);
+
+unsigned *b;
+
+void
+c ()
+{
+ long d = 2;
+ int e = 0;
+
+ for (; e < 1024; e++)
+ if (b[e] > d)
+ d = b[e];
+ a (d);
+}
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2019-10-28 11:35 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-10-28 12:22 [PATCH, i386]: Fix REDUC_SSE_SMINMAX_MODE mode iterator Uros Bizjak
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).