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[PULL 5/5] tests/tcg: modify multiarch tests to work with clang
From: |
Alex Bennée |
Subject: |
[PULL 5/5] tests/tcg: modify multiarch tests to work with clang |
Date: |
Wed, 20 Nov 2019 10:58:01 +0000 |
From: Taylor Simpson <address@hidden>
Signed-off-by: Taylor Simpson <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Reviewed-by: Thomas Huth <address@hidden>
Message-Id: <address@hidden>
[AJB: tweak header line]
Signed-off-by: Alex Bennée <address@hidden>
diff --git a/tests/tcg/multiarch/float_helpers.c
b/tests/tcg/multiarch/float_helpers.c
index 8ee7903c785..bc530e5732d 100644
--- a/tests/tcg/multiarch/float_helpers.c
+++ b/tests/tcg/multiarch/float_helpers.c
@@ -79,11 +79,9 @@ char *fmt_16(uint16_t num)
#ifndef SNANF
/* Signaling NaN macros, if supported. */
-# if __GNUC_PREREQ(3, 3)
# define SNANF (__builtin_nansf (""))
# define SNAN (__builtin_nans (""))
# define SNANL (__builtin_nansl (""))
-# endif
#endif
static float f32_numbers[] = {
diff --git a/tests/tcg/multiarch/linux-test.c b/tests/tcg/multiarch/linux-test.c
index 673d7c8a1c2..8a7c15cd312 100644
--- a/tests/tcg/multiarch/linux-test.c
+++ b/tests/tcg/multiarch/linux-test.c
@@ -485,7 +485,11 @@ static void test_signal(void)
act.sa_flags = SA_SIGINFO;
chk_error(sigaction(SIGSEGV, &act, NULL));
if (setjmp(jmp_env) == 0) {
- *(uint8_t *)0 = 0;
+ /*
+ * clang requires volatile or it will turn this into a
+ * call to abort() instead of forcing a SIGSEGV.
+ */
+ *(volatile uint8_t *)0 = 0;
}
act.sa_handler = SIG_DFL;
--
2.20.1
- [PULL for rc3 0/5] a few doc and testing tweaks, Alex Bennée, 2019/11/20
- [PULL 2/5] docs/devel: rename plugins.rst to tcg-plugins.rst, Alex Bennée, 2019/11/20
- [PULL 5/5] tests/tcg: modify multiarch tests to work with clang,
Alex Bennée <=
- [PULL 1/5] tests/vm: make --interactive (and therefore DEBUG=1) unconditional, Alex Bennée, 2019/11/20
- [PULL 3/5] docs/devel: update tcg-plugins.rst with API versioning details, Alex Bennée, 2019/11/20
- [PULL 4/5] .travis.yml: drop 32 bit systems from MAIN_SOFTMMU_TARGETS, Alex Bennée, 2019/11/20
- Re: [PULL for rc3 0/5] a few doc and testing tweaks, Peter Maydell, 2019/11/21