Revert "Disable GCCs aggressive loop optimization"

This reverts commit 0f62f3f. Signed-off-by: Tim Chase <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes openzfs#2010
ryao · Oct 24, 2014 · dddbaf4 · dddbaf4
1 parent 5d94503
commit dddbaf4
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Showing 4 changed files with 0 additions and 23 deletions.
diff --git a/config/Rules.am b/config/Rules.am
@@ -3,7 +3,6 @@ DEFAULT_INCLUDES = -include ${top_builddir}/zfs_config.h
 AM_LIBTOOLFLAGS = --silent
 AM_CFLAGS  = ${DEBUG_CFLAGS} -Wall -Wstrict-prototypes
 AM_CFLAGS += ${NO_UNUSED_BUT_SET_VARIABLE}
-AM_CFLAGS += ${NO_AGGRESSIVE_LOOP_OPTIMIZATIONS}
 AM_CFLAGS += -fno-strict-aliasing
 AM_CPPFLAGS  = -D_GNU_SOURCE -D__EXTENSIONS__ -D_REENTRANT
 AM_CPPFLAGS += -D_POSIX_PTHREAD_SEMANTICS -D_FILE_OFFSET_BITS=64

diff --git a/config/always-no-aggressive-loop-optimizations.m4 b/config/always-no-aggressive-loop-optimizations.m4
diff --git a/config/kernel.m4 b/config/kernel.m4
@@ -105,7 +105,6 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
 	dnl # -Wall -fno-strict-aliasing -Wstrict-prototypes and other
 	dnl # compiler options are added by the kernel build system.
 	KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_UNUSED_BUT_SET_VARIABLE"
-	KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_AGGRESSIVE_LOOP_OPTIMIZATIONS"
 	KERNELCPPFLAGS="$KERNELCPPFLAGS -DHAVE_SPL -D_KERNEL"
 	KERNELCPPFLAGS="$KERNELCPPFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\""
 

diff --git a/config/zfs-build.m4 b/config/zfs-build.m4
@@ -62,7 +62,6 @@ AC_DEFUN([ZFS_AC_DEBUG_DMU_TX], [
 
 AC_DEFUN([ZFS_AC_CONFIG_ALWAYS], [
 	ZFS_AC_CONFIG_ALWAYS_NO_UNUSED_BUT_SET_VARIABLE
-	ZFS_AC_CONFIG_ALWAYS_NO_AGGRESSIVE_LOOP_OPTIMIZATIONS
 ])
 
 AC_DEFUN([ZFS_AC_CONFIG], [