testsuite: Scan for SSE reg-reg moves only in pr80481.C

The function needs more than 8 SSE registers, avoid
false positives triggered by SSE spills for 32bit targets.

	* g++.dg/pr80481.C (dg-final): Scan for SSE reg-reg moves only.

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 089874e5f7c554152252d31d0e26a1cd31918895..1935ebcde5a8241892aeb3ae443d27940e38e6d4 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2020-03-10  Uroš Bizjak  <ubizjak@gmail.com>
+
+       * g++.dg/pr80481.C (dg-final): Scan for SSE reg-reg moves only.
+
 2020-03-10  Jeff Law  <law@redhat.com>
 
        Revert:

diff --git a/gcc/testsuite/g++.dg/pr80481.C b/gcc/testsuite/g++.dg/pr80481.C
index c565ad24d90a57a90b34f3b2377263194be8f73e..78c463b8e3b58b00428d815ffd93c79eb096802c 100644 (file)
--- a/gcc/testsuite/g++.dg/pr80481.C
+++ b/gcc/testsuite/g++.dg/pr80481.C
@@ -1,11 +1,9 @@
 // { dg-do compile { target { i?86-*-* x86_64-*-* }  && { ! *-*-solaris* } } }
 // { dg-options "-Ofast -funroll-loops -fopenmp -march=knl" }
-// { dg-final { scan-assembler-not "vmovaps" } }
 // Disabling epilogues until we find a better way to deal with scans.
 // { dg-additional-options "--param vect-epilogues-nomask=0" }
 
 
-
 #include <math.h>
 
 #include <xmmintrin.h>
@@ -72,3 +70,5 @@ void foo (Sdata *in, int idx, float *out)
   _mm_free(y3);
   _mm_free(y4);
 }
+
+// { dg-final { scan-assembler-not "vmovaps\[^\n\r]*zmm\[0-9]+,\[^\n\r]*zmm\[0-9]+" } }