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2007-07-06 H.J. Lu <hongjiu.lu@intel.com>

Browse Source 
* tls.m4 (GCC_CHECK_CC_TLS): New.

2007-07-05  Sebastian Pop  <sebpop@gmail.com>

	PR bootstrap/32622
	* mh-x86omitfp (BOOT_CFLAGS): Add -fomit-frame-pointer,
	don't reset its value.
This commit is contained in:
H.J. Lu 2007-07-11 19:09:22 +00:00
parent c4ccbcce6c
commit 6fc4fe923a
3 changed files with 24 additions and 1 deletions
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10
config/ChangeLog
View File

@ -1,3 +1,13 @@
2007-07-06 H.J. Lu <hongjiu.lu@intel.com>
* tls.m4 (GCC_CHECK_CC_TLS): New.
2007-07-05 Sebastian Pop <sebpop@gmail.com>
PR bootstrap/32622
* mh-x86omitfp (BOOT_CFLAGS): Add -fomit-frame-pointer,
don't reset its value.
2007-06-27 Mike Stump <mrs@apple.com> 2007-06-27 Mike Stump <mrs@apple.com>
* acx.m4 (ACX_CHECK_INSTALLED_TARGET_TOOL): Fixup logic for cross * acx.m4 (ACX_CHECK_INSTALLED_TARGET_TOOL): Fixup logic for cross

2
config/mh-x86omitfp
View File

@ -1,2 +1,2 @@
# Add -fomit-frame-pointer to the usual BOOT_CFLAGS to speed up the compiler. # Add -fomit-frame-pointer to the usual BOOT_CFLAGS to speed up the compiler.
BOOT_CFLAGS = -O2 -g -fomit-frame-pointer BOOT_CFLAGS += -fomit-frame-pointer

13
config/tls.m4
View File

@ -73,3 +73,16 @@ AC_DEFUN([GCC_CHECK_TLS], [
AC_DEFINE(HAVE_TLS, 1, AC_DEFINE(HAVE_TLS, 1,
[Define to 1 if the target supports thread-local storage.]) [Define to 1 if the target supports thread-local storage.])
fi]) fi])
dnl Check whether the target assembler supports TLS.
AC_DEFUN([GCC_CHECK_CC_TLS], [
GCC_ENABLE(tls, yes, [], [Use thread-local storage])
AC_CACHE_CHECK([whether the target asssembler upports thread-local storage],
have_cc_tls, [
AC_COMPILE_IFELSE([__thread int a; int b; int main() { return a = b; }],
[have_cc_tls=yes], [have_cc_tls=no])]
)])
if test "$enable_tls $have_cc_tls" = "yes yes"; then
AC_DEFINE(HAVE_CC_TLS, 1,
[Define to 1 if the target assembler supports thread-local storage.])
fi])