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x86/cpu: implement get/set_eflags using intrinsics

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Signed-off-by: Diego Biurrun <diego@biurrun.de>
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Ronald S. Bultje
2012-07-09 02:21:28 +02:00
committed by Martin Storsjö
parent c0ee695bd7
commit 358d854df8
2 changed files with 16 additions and 0 deletions
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2
configure vendored
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@@ -1126,6 +1126,7 @@ HAVE_LIST="
rdtsc
round
roundf
rweflags
sched_getaffinity
sdl
sdl_video_size
@@ -2747,6 +2748,7 @@ elif enabled x86; then
check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
check_code ld intrin.h "__rdtsc()" && enable rdtsc
check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
check_code ld mmintrin.h "_mm_empty()" && enable mm_empty