openrisc: Add gcc machine instruction flag configuration

[linux-2.6-microblaze.git] / arch / openrisc / Makefile

diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile
index 760b734..b446510 100644 (file)
--- a/arch/openrisc/Makefile
+++ b/arch/openrisc/Makefile
@@ -21,6 +21,7 @@ OBJCOPYFLAGS    := -O binary -R .note -R .comment -S
 LIBGCC                 := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 
 KBUILD_CFLAGS  += -pipe -ffixed-r10 -D__linux__
+KBUILD_CFLAGS  += -msfimm -mshftimm
 
 all: vmlinux.bin
 
@@ -38,6 +39,22 @@ else
        KBUILD_CFLAGS += $(call cc-option,-msoft-div)
 endif
 
+ifeq ($(CONFIG_OPENRISC_HAVE_INST_CMOV),y)
+       KBUILD_CFLAGS += $(call cc-option,-mcmov)
+endif
+
+ifeq ($(CONFIG_OPENRISC_HAVE_INST_ROR),y)
+       KBUILD_CFLAGS += $(call cc-option,-mror)
+endif
+
+ifeq ($(CONFIG_OPENRISC_HAVE_INST_RORI),y)
+       KBUILD_CFLAGS += $(call cc-option,-mrori)
+endif
+
+ifeq ($(CONFIG_OPENRISC_HAVE_INST_SEXT),y)
+       KBUILD_CFLAGS += $(call cc-option,-msext)
+endif
+
 head-y                 := arch/openrisc/kernel/head.o
 
 libs-y         += $(LIBGCC)