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arch/x86: x86_64 implies SSE2 support 

Enable SSE2 (and SSE) when compiling for x86_64. Compilers often assume
SSE2 is present and enabled when targeting x86_64.

This fixes:
- lzma decompression code is compiled with the -Ofast flag
- 'everything' when compiling with clang.

This mostly affects qemu targets, which did not have this flag selected
yet.

TESTED on qemu.

Change-Id: I3cdc584c97016e15513df663a54a7bdb549a73e4
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44869
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
This commit is contained in:
Patrick Rudolph 2020-08-27 21:07:57 +02:00 committed by Arthur Heymans
parent 1347571f9b
commit e249b1a313
1 changed files with 5 additions and 0 deletions
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5
src/arch/x86/Kconfig
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@ -39,19 +39,24 @@ config ARCH_ALL_STAGES_X86_32
config ARCH_BOOTBLOCK_X86_64 config ARCH_BOOTBLOCK_X86_64
bool bool
select SSE2
config ARCH_VERSTAGE_X86_64 config ARCH_VERSTAGE_X86_64
bool bool
select SSE2
config ARCH_ROMSTAGE_X86_64 config ARCH_ROMSTAGE_X86_64
bool bool
select SSE2
config ARCH_POSTCAR_X86_64 config ARCH_POSTCAR_X86_64
bool bool
default ARCH_ROMSTAGE_X86_64 && POSTCAR_STAGE default ARCH_ROMSTAGE_X86_64 && POSTCAR_STAGE
select SSE2
config ARCH_RAMSTAGE_X86_64 config ARCH_RAMSTAGE_X86_64
bool bool
select SSE2
config ARCH_ALL_STAGES_X86_64 config ARCH_ALL_STAGES_X86_64
bool bool