Commit 82c48fb7 authored Dec 07, 2018 by fabrice.desclaux@cea.fr Committed by Laurent Vivier Dec 11, 2018

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>

parent d668c82b

tests/tcg/i386/test-i386.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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");