| From fb7b827a56b1f92f882d0f5ef130acc968b23293 Mon Sep 17 00:00:00 2001 |
| From: Khem Raj <raj.khem@gmail.com> |
| Date: Wed, 13 Jan 2016 19:17:31 +0000 |
| Subject: [PATCH] Disable -mfpmath=sse as well when SSE is disabled |
| |
| Fixes |
| |
| configure:20574: i586-poky-linux-gcc -m32 -march=core2 -msse3 |
| -mtune=generic -mfpmath=sse |
| --sysroot=/usr/local/dev/yocto/grubtest2/build/tmp/sysroots/emenlow -o |
| conftest -O2 -pipe -g -feliminate-unused-debug-types -Wall -W -Wshadow |
| -Wpointer-arith -Wmissing-prototypes -Wundef -Wstrict-prototypes -g |
| -falign-jumps=1 -falign-loops=1 -falign-functions=1 -mno-mmx -mno-sse |
| -mno-sse2 -mno-3dnow -fno-dwarf2-cfi-asm -m32 -fno-stack-protector |
| -mno-stack-arg-probe -Werror -nostdlib -Wl,--defsym,___main=0x8100 |
| -Wall -W -I$(top_srcdir)/include -I$(top_builddir)/include |
| -DGRUB_MACHINE_PCBIOS=1 -DGRUB_MACHINE=I386_PC -Wl,-O1 |
| -Wl,--hash-style=gnu -Wl,--as-needed conftest.c >&5 |
| conftest.c:1:0: error: SSE instruction set disabled, using 387 |
| arithmetics [-Werror] |
| cc1: all warnings being treated as errors |
| |
| Signed-Off-By: Nitin A Kamble <nitin.a.kamble@intel.com> |
| Signed-off-by: Khem Raj <raj.khem@gmail.com> |
| --- |
| Upstream-Status: Pending |
| |
| configure.ac | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/configure.ac b/configure.ac |
| index 26d2f33..9ce56de 100644 |
| --- a/configure.ac |
| +++ b/configure.ac |
| @@ -783,7 +783,7 @@ fi |
| if ( test "x$target_cpu" = xi386 || test "x$target_cpu" = xx86_64 ) && test "x$platform" != xemu; then |
| # Some toolchains enable these features by default, but they need |
| # registers that aren't set up properly in GRUB. |
| - TARGET_CFLAGS="$TARGET_CFLAGS -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow" |
| + TARGET_CFLAGS="$TARGET_CFLAGS -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow -mfpmath=387" |
| fi |
| |
| # GRUB doesn't use float or doubles at all. Yet some toolchains may decide |
| -- |
| 2.7.0 |
| |