x86: Stop building the vboot library using regparm=3.
This complicates things in a number of ways, including making GDB not work
properly because it assumes the standard ABI in some places. Measurements
show that it doesn't really make much difference performance wise.
BUG=None
TEST=Built and booted with coreboot and depthcharge on link.
CQ-DEPEND=CL:183490
BRANCH=None
Change-Id: I7f004f8cf83b7c1a78ab12f814477504a5a5c28c
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://chromium-review.googlesource.com/180874
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/183163
Tested-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Aaron Durbin <adurbin@chromium.org>
diff --git a/Makefile b/Makefile
index d4b6245..ffe3946 100644
--- a/Makefile
+++ b/Makefile
@@ -132,7 +132,7 @@
CFLAGS ?= \
-ffunction-sections -fvisibility=hidden -fno-strict-aliasing \
-fomit-frame-pointer -fno-toplevel-reorder -fno-dwarf2-cfi-asm \
- -mpreferred-stack-boundary=2 -mregparm=3 \
+ -mpreferred-stack-boundary=2 \
${COMMON_FLAGS}
else ifeq (${FIRMWARE_ARCH}, x86_64)
CFLAGS ?= ${COMMON_FLAGS} \
