Without SSE2, the loop is found too big to unroll, and we don't match
the expected pattern. So enable sse2.
Regstrapped on x86_64-linux-gnu. Also tested with ppc-vx7r2,
ppc64-vx7r2, arm-vx7r2, aarch64-vx7r2, x86_64-vx7r2, and x86-vx7r2. Ok
to install?
for gcc/testsuite/ChangeLog
* gcc.dg/pr117888-2.c: Enable sse2.
---
gcc/testsuite/gcc.dg/pr117888-2.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/gcc/testsuite/gcc.dg/pr117888-2.c
b/gcc/testsuite/gcc.dg/pr117888-2.c
index 97aa93d8ace82..ba795309e01c9 100644
--- a/gcc/testsuite/gcc.dg/pr117888-2.c
+++ b/gcc/testsuite/gcc.dg/pr117888-2.c
@@ -1,5 +1,6 @@
/* { dg-do compile } */
/* { dg-options "-O3 -funroll-loops -fno-tree-vectorize
-fdump-tree-cunroll-details" } */
+/* { dg-additional-options "-msse2" { target x86 } } */
typedef struct {
double real;
--
Alexandre Oliva, happy hacker https://blog.lx.oliva.nom.br/
Free Software Activist FSFLA co-founder GNU Toolchain Engineer
More tolerance and less prejudice are key for inclusion and diversity.
Excluding neuro-others for not behaving ""normal"" is *not* inclusive!
