-freduce-all-givs has been removed from gcc

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@4011 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/Makefile

@@ -167,7 +167,7 @@ ifeq ($(TARGET_ARCH_ALPHA),yes)
 OBJS += alpha/dsputil_alpha.o alpha/mpegvideo_alpha.o \
 	alpha/simple_idct_alpha.o alpha/motion_est_alpha.o
 ASM_OBJS += alpha/dsputil_alpha_asm.o alpha/motion_est_mvi_asm.o
-CFLAGS += -fforce-addr -freduce-all-givs
+CFLAGS += -fforce-addr
 endif
 
 ifeq ($(TARGET_ARCH_POWERPC),yes)