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[Qemu-devel] [PATCH for-4.0 v2 3/7] configure: Remove old -fno-gcse work
From: |
Thomas Huth |
Subject: |
[Qemu-devel] [PATCH for-4.0 v2 3/7] configure: Remove old -fno-gcse workaround for GCC 4.6.x and 4.7.[012] |
Date: |
Tue, 4 Dec 2018 16:32:53 +0100 |
Now that we require at least GCC 4.8, we don't need this als workaround
for 4.6 and 4.7 anymore.
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Thomas Huth <address@hidden>
---
Makefile.target | 3 ---
configure | 27 ---------------------------
2 files changed, 30 deletions(-)
diff --git a/Makefile.target b/Makefile.target
index 4d56298..44ec4b6 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -158,9 +158,6 @@ GENERATED_FILES += hmp-commands.h hmp-commands-info.h
endif # CONFIG_SOFTMMU
-# Workaround for http://gcc.gnu.org/PR55489, see configure.
-%/translate.o: QEMU_CFLAGS += $(TRANSLATE_OPT_CFLAGS)
-
dummy := $(call unnest-vars,,obj-y)
all-obj-y := $(obj-y)
diff --git a/configure b/configure
index ca364f6..c160b59 100755
--- a/configure
+++ b/configure
@@ -1936,32 +1936,6 @@ else
QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
fi
-# Workaround for http://gcc.gnu.org/PR55489. Happens with -fPIE/-fPIC and
-# large functions that use global variables. The bug is in all releases of
-# GCC, but it became particularly acute in 4.6.x and 4.7.x. It is fixed in
-# 4.7.3 and 4.8.0. We should be able to delete this at the end of 2013.
-cat > $TMPC << EOF
-#if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 &&
__GNUC_PATCHLEVEL__ <= 2))
-int main(void) { return 0; }
-#else
-#error No bug in this compiler.
-#endif
-EOF
-if compile_prog "-Werror -fno-gcse" "" ; then
- TRANSLATE_OPT_CFLAGS=-fno-gcse
-fi
-
-if test "$static" = "yes" ; then
- if test "$modules" = "yes" ; then
- error_exit "static and modules are mutually incompatible"
- fi
- if test "$pie" = "yes" ; then
- error_exit "static and pie are mutually incompatible"
- else
- pie="no"
- fi
-fi
-
# Unconditional check for compiler __thread support
cat > $TMPC << EOF
static __thread int tls_var;
@@ -6983,7 +6957,6 @@ echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
echo "POD2MAN=$POD2MAN" >> $config_host_mak
-echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
if test "$gcov" = "yes" ; then
echo "CONFIG_GCOV=y" >> $config_host_mak
echo "GCOV=$gcov_tool" >> $config_host_mak
--
1.8.3.1
- [Qemu-devel] [PATCH for-4.0 v2 0/7] Assume GCC v4.8 and Clang v3.4 as minimum compiler, Thomas Huth, 2018/12/04
- [Qemu-devel] [PATCH for-4.0 v2 2/7] configure: Remove obsolete check for Clang < 3.2, Thomas Huth, 2018/12/04
- [Qemu-devel] [PATCH for-4.0 v2 1/7] configure: Add a test for the minimum compiler version, Thomas Huth, 2018/12/04
- [Qemu-devel] [PATCH for-4.0 v2 3/7] configure: Remove old -fno-gcse workaround for GCC 4.6.x and 4.7.[012],
Thomas Huth <=
- [Qemu-devel] [PATCH for-4.0 v2 4/7] tcg/tcg.h: Remove GCC check for tcg_debug_assert() macro, Thomas Huth, 2018/12/04
- [Qemu-devel] [PATCH for-4.0 v2 5/7] audio/alsaaudio: Remove compiler check around pragma, Thomas Huth, 2018/12/04
- [Qemu-devel] [PATCH for-4.0 v2 6/7] includes: Replace QEMU_GNUC_PREREQ with "__has_builtin || !defined(__clang__)", Thomas Huth, 2018/12/04
- [Qemu-devel] [PATCH for-4.0 v2 7/7] Remove QEMU_ARTIFICIAL macro, Thomas Huth, 2018/12/04