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Drop QEMU_GNUC_PREREQ() checks for gcc older than 4.1

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We already require gcc 4.1 or newer (for the atomic
support), so the fallback codepaths for older gcc
versions than that are now dead code and we can
just delete them.

NB: clang reports itself as gcc 4.2 (regardless of
clang version), so clang won't be using the fallbacks
either.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Peter Maydell 2017-04-20 18:30:21 +01:00
parent da92ada855
commit fa54abb8c2
3 changed files with 0 additions and 136 deletions
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8
include/qemu/compiler.h
View file

@ -24,17 +24,9 @@
#define QEMU_NORETURN __attribute__ ((__noreturn__))
#if QEMU_GNUC_PREREQ(3, 4)
#define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#else
#define QEMU_WARN_UNUSED_RESULT
#endif
#if QEMU_GNUC_PREREQ(4, 0)
#define QEMU_SENTINEL __attribute__((sentinel))
#else
#define QEMU_SENTINEL
#endif
#if QEMU_GNUC_PREREQ(4, 3)
#define QEMU_ARTIFICIAL __attribute__((always_inline, artificial))