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| author | fabrice.desclaux@cea.fr <fabrice.desclaux@cea.fr> | 2018-12-07 15:44:40 +0100 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2018-12-11 18:41:25 +0100 |
| commit | 82c48fb79df5596a9d0a3b6d998c4491e542aa7a (patch) | |
| tree | 1ae4ca300516d648a51efa123f4e2d98b2ede8c5 /tests/tcg | |
| parent | d668c82bfb5ba0e83342f313257e9b58bccf194d (diff) | |
| download | qemu-82c48fb79df5596a9d0a3b6d998c4491e542aa7a.zip qemu-82c48fb79df5596a9d0a3b6d998c4491e542aa7a.tar.gz qemu-82c48fb79df5596a9d0a3b6d998c4491e542aa7a.tar.bz2 | |
Fixes i386 xchgq test
As "xchg" reads and writes both operands, the "+m" is required to avoid
undefined behavior on -O2 compilation.
Signed-off-by: Fabrice Desclaux <fabrice.desclaux@cea.fr>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <03506cf0-a204-f619-8ee4-4990a5e69af5@cea.fr>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'tests/tcg')
| -rw-r--r-- | tests/tcg/i386/test-i386.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/tcg/i386/test-i386.c b/tests/tcg/i386/test-i386.c index a29b41e..18d5609 100644 --- a/tests/tcg/i386/test-i386.c +++ b/tests/tcg/i386/test-i386.c @@ -1137,7 +1137,7 @@ void test_xchg(void) TEST_XCHG(xchgb, "b", "+q"); #if defined(__x86_64__) - TEST_XCHG(xchgq, "", "=m"); + TEST_XCHG(xchgq, "", "+m"); #endif TEST_XCHG(xchgl, "k", "+m"); TEST_XCHG(xchgw, "w", "+m"); |