I thought this one was worth at least commenting as to why it fails
when biarch testing. OK?
* gcc.target/powerpc/bswap64-4.c: Comment.
diff --git a/gcc/testsuite/gcc.target/powerpc/bswap64-4.c
b/gcc/testsuite/gcc.target/powerpc/bswap64-4.c
index a3c05539652..11787000409 100644
--- a/gcc/testsuite/gcc.target/powerpc/bswap64-4.c
+++ b/gcc/testsuite/gcc.target/powerpc/bswap64-4.c
@@ -7,6 +7,12 @@
/* { dg-final { scan-assembler-times "ldbrx" 1 { target has_arch_pwr7 } } } */
/* { dg-final { scan-assembler-times "stdbrx" 1 { target has_arch_pwr7 } } } */
+/* This test will fail when biarch testing with
+ "RUNTESTFLAGS=--target_board=unix'{-m64,-m32}'" because the -m32 is
+ added on the command line after the dg-options -mpowerpc64, and
+ common/config/rs6000/rs6000-common.c:rs6000_handle_option disables
+ -mpowerpc64 for -m32. */
+
long long swap_load (long long *a) { return __builtin_bswap64 (*a); }
long long swap_reg (long long a) { return __builtin_bswap64 (a); }
void swap_store (long long *a, long long b) { *a = __builtin_bswap64 (b); }
--
Alan Modra
Australia Development Lab, IBM
