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-rw-r--r--gcc/testsuite/lib/target-supports.exp60
1 files changed, 57 insertions, 3 deletions
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index c847de0..050292b 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -902,6 +902,32 @@ proc check_sse2_hw_available { } {
}]
}
+# Return 1 if the target supports executing VSX instructions, 0
+# otherwise. Cache the result.
+
+proc check_vsx_hw_available { } {
+ return [check_cached_effective_target vsx_hw_available {
+ # Some simulators are known to not support VSX instructions.
+ # For now, disable on Darwin
+ if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] || [istarget *-*-darwin*]} {
+ expr 0
+ } else {
+ set options "-mvsx"
+ check_runtime_nocache vsx_hw_available {
+ int main()
+ {
+ #ifdef __MACH__
+ asm volatile ("xxlor vs0,vs0,vs0");
+ #else
+ asm volatile ("xxlor 0,0,0");
+ #endif
+ return 0;
+ }
+ } $options
+ }
+ }]
+}
+
# Return 1 if the target supports executing AltiVec instructions, 0
# otherwise. Cache the result.
@@ -912,12 +938,13 @@ proc check_vmx_hw_available { } {
expr 0
} else {
# Most targets don't require special flags for this test case, but
- # Darwin does.
+ # Darwin does. Just to be sure, make sure VSX is not enabled for
+ # the altivec tests.
if { [istarget *-*-darwin*]
|| [istarget *-*-aix*] } {
- set options "-maltivec"
+ set options "-maltivec -mno-vsx"
} else {
- set options ""
+ set options "-mno-vsx"
}
check_runtime_nocache vmx_hw_available {
int main()
@@ -1632,6 +1659,33 @@ proc check_effective_target_powerpc_altivec_ok { } {
}
}
+# Return 1 if this is a PowerPC target supporting -mvsx
+
+proc check_effective_target_powerpc_vsx_ok { } {
+ if { ([istarget powerpc*-*-*]
+ && ![istarget powerpc-*-linux*paired*])
+ || [istarget rs6000-*-*] } {
+ # AltiVec is not supported on AIX before 5.3.
+ if { [istarget powerpc*-*-aix4*]
+ || [istarget powerpc*-*-aix5.1*]
+ || [istarget powerpc*-*-aix5.2*] } {
+ return 0
+ }
+ return [check_no_compiler_messages powerpc_vsx_ok object {
+ int main (void) {
+#ifdef __MACH__
+ asm volatile ("xxlor vs0,vs0,vs0");
+#else
+ asm volatile ("xxlor 0,0,0");
+#endif
+ return 0;
+ }
+ } "-mvsx"]
+ } else {
+ return 0
+ }
+}
+
# Return 1 if this is a PowerPC target supporting -mcpu=cell.
proc check_effective_target_powerpc_ppu_ok { } {