x86: Stop building with 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.
BUG=None
TEST=Built and booted with coreboot and depthcharge on link.
BRANCH=None
Change-Id: I77f5a1fc94aa579345742e6fb84b88761d42bc13
Original-Change-Id: Iaea387f4e040ba3a8cc32ea179da25fe87684898
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://chromium-review.googlesource.com/183983
Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org>
Commit-Queue: Shawn Nematbakhsh <shawnn@chromium.org>
Tested-by: Shawn Nematbakhsh <shawnn@chromium.org>
1 file changed
