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authorDr. David Alan Gilbert <dgilbert@redhat.com>2016-06-10 12:16:18 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2016-06-16 18:39:04 +0200
commit4fb8320a2efb2216c7ddcc929ad0362f4e285681 (patch)
tree4aa9fe07e20798d13869213b11388fe8af99607f /util/cutils.c
parentfc6e1de9d885377e1e68e50e25ed5425540b9b81 (diff)
avx2 configure: Use primitives in test
Use the avx2 primitives during the test, thus making sure that the compiler and assembler could actually use avx2. This also detects the failure case on gcc 4.8.x with -save-temps and avoids the need for the gcc version check in cutils. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <1465557378-24105-3-git-send-email-dgilbert@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'util/cutils.c')
-rw-r--r--util/cutils.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/util/cutils.c b/util/cutils.c
index 43d1afbbec..5830a688dc 100644
--- a/util/cutils.c
+++ b/util/cutils.c
@@ -256,13 +256,7 @@ static size_t buffer_find_nonzero_offset_inner(const void *buf, size_t len)
return i * sizeof(VECTYPE);
}
-/*
- * GCC before version 4.9 has a bug which will cause the target
- * attribute work incorrectly and failed to compile in some case,
- * restrict the gcc version to 4.9+ to prevent the failure.
- */
-
-#if defined CONFIG_AVX2_OPT && QEMU_GNUC_PREREQ(4, 9)
+#if defined CONFIG_AVX2_OPT
#pragma GCC push_options
#pragma GCC target("avx2")
#include <cpuid.h>