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* [gcc r11-5670] libstdc++: Use libatomic for tests on all 32-bit powerpc targets
@ 2020-12-02 16:38 Jonathan Wakely
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From: Jonathan Wakely @ 2020-12-02 16:38 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:dd053eea0be4f3ec8b76fb2e103a13a3977bcf9f
commit r11-5670-gdd053eea0be4f3ec8b76fb2e103a13a3977bcf9f
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Wed Dec 2 16:37:56 2020 +0000
libstdc++: Use libatomic for tests on all 32-bit powerpc targets
In addition to the existing powerpc targets, powerpc64 needs libatomic
for 64-bit atomics when testing the 32-bit multilib with -m32. Adjust
the existing target checks to match all 32-bit powerpc targets, but not
64-bit ones.
libstdc++-v3/ChangeLog:
* testsuite/lib/dg-options.exp (add_options_for_libatomic):
Replace powerpc-ibm-aix* and powerpc*-*-darwin* with check for
powerpc && ilp32.
Diff:
---
libstdc++-v3/testsuite/lib/dg-options.exp | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/libstdc++-v3/testsuite/lib/dg-options.exp b/libstdc++-v3/testsuite/lib/dg-options.exp
index d3f61cb5267..0102acf65a2 100644
--- a/libstdc++-v3/testsuite/lib/dg-options.exp
+++ b/libstdc++-v3/testsuite/lib/dg-options.exp
@@ -257,13 +257,14 @@ proc add_options_for_net_ts { flags } {
return $flags
}
-# Add to FLAGS all the target-specific flags to link to libatomic, if required.
+# Add to FLAGS all the target-specific flags to link to libatomic,
+# if required for atomics on pointers and 64-bit types.
proc add_options_for_libatomic { flags } {
if { [istarget hppa*-*-hpux*]
- || [istarget powerpc-ibm-aix*]
- || [istarget powerpc*-*-darwin*]
- || [istarget riscv*-*-*] } {
+ || ([istarget powerpc*-*-*] && [check_effective_target_ilp32])
+ || [istarget riscv*-*-*]
+ } {
return "$flags -L../../libatomic/.libs -latomic"
}
return $flags
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