From b1fc5c940e39981ffbbb1a038e9dca4a2f6fa523 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Sat, 24 Oct 2020 20:01:17 +1030 Subject: [PATCH] [RS6000] biarch test fail * gcc.target/powerpc/bswap64-4.c: Comment. --- gcc/testsuite/gcc.target/powerpc/bswap64-4.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/gcc/testsuite/gcc.target/powerpc/bswap64-4.c b/gcc/testsuite/gcc.target/powerpc/bswap64-4.c index a3c05539652..5acbb91ee38 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 } } } */ +/* On some versions of dejagnu this test will fail when biarch testing + with RUNTESTFLAGS="--target_board=unix'{-m64,-m32}'" due to -m32 + being added on the command line after the dg-options -mpowerpc64. + 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); }