target-supports.exp (check_avx_os_support_available): New.

* lib/target-supports.exp (check_avx_os_support_available): New.
	(check_effective_target_avx_runtime): Use it.

From-SVN: r176576
This commit is contained in:
Uros Bizjak 2011-07-21 17:53:11 +02:00 committed by Uros Bizjak
parent e951472536
commit d4add95206
2 changed files with 33 additions and 4 deletions

View file

@ -1,3 +1,8 @@
2011-07-21 Uros Bizjak <ubizjak@gmail.com>
* lib/target-supports.exp (check_avx_os_support_available): New.
(check_effective_target_avx_runtime): Use it.
2011-07-21 Richard Guenther <rguenther@suse.de>
PR tree-optimization/49770
@ -13,7 +18,7 @@
* gfortran.dg/coarray_lib_token_1.f90: New.
2011-07-21 Georg-Johann Lay <avr@gjlay.de>
* gcc.dg/pr32912-2.c: Skip for AVR.
* gcc.dg/pr44674.c: Add dg-require-profiling.

View file

@ -1070,8 +1070,8 @@ proc check_sse_os_support_available { } {
check_runtime_nocache sse_os_support_available {
int main ()
{
__asm__ volatile ("movaps %xmm0,%xmm0");
return 0;
asm volatile ("movaps %xmm0,%xmm0");
return 0;
}
} "-msse"
} else {
@ -1080,6 +1080,29 @@ proc check_sse_os_support_available { } {
}]
}
# Return 1 if the target OS supports running AVX executables, 0
# otherwise. Cache the result.
proc check_avx_os_support_available { } {
return [check_cached_effective_target avx_os_support_available {
# If this is not the right target then we can skip the test.
if { !([istarget x86_64-*-*] || [istarget i?86-*-*]) } {
expr 0
} else {
# Check that OS has AVX and SSE saving enabled.
check_runtime_nocache avx_os_support_available {
int main ()
{
unsigned int eax, edx;
asm ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0));
return (eax & 6) != 6;
}
} ""
}
}]
}
# Return 1 if the target supports executing SSE instructions, 0
# otherwise. Cache the result.
@ -1176,7 +1199,8 @@ proc check_effective_target_sse2_runtime { } {
proc check_effective_target_avx_runtime { } {
if { [check_effective_target_avx]
&& [check_avx_hw_available] } {
&& [check_avx_hw_available]
&& [check_avx_os_support_available] } {
return 1
}
return 0