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libgomp: Compile tests with -march=i486 only if needed

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Don't add -march=i486 if atomic compare-and-swap is supported on 'int'.
This fixes libgomp tests with "-march=x86-64 -m32 -fcf-protection".

	* testsuite/lib/libgomp.exp (libgomp_init): Don't add -march=i486
	if atomic compare-and-swap is supported on 'int'.
This commit is contained in:
H.J. Lu 2021-06-06 05:36:23 -07:00
parent 4a0c4eaea3
commit c8d581bdf7
1 changed files with 2 additions and 1 deletions
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libgomp/testsuite/lib/libgomp.exp
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@ -210,7 +210,8 @@ proc libgomp_init { args } {
# We use atomic operations in the testcases to validate results.
if { ([istarget i?86-*-*] || [istarget x86_64-*-*])
&& [check_effective_target_ia32] } {
&& [check_effective_target_ia32]
&& ![check_effective_target_cas_char] } {
lappend ALWAYS_CFLAGS "additional_flags=-march=i486"
}