diff options
| author | Stefan Reinauer <stepan@coresystems.de> | 2010-01-16 13:47:07 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2010-01-16 13:47:07 +0000 |
| commit | ba8b21c37638837a2afbb95c056b9ce6c25366bd (patch) | |
| tree | c752c6ddb86a54bf1b4911a5d169fc8242310e87 /src | |
| parent | 68b3c4637a32004c956dd89d01d2288aff2f24d2 (diff) | |
| download | coreboot-ba8b21c37638837a2afbb95c056b9ce6c25366bd.tar.xz | |
Micro-optimization: movl $0 --> xorl.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5012 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/intel/model_106cx/cache_as_ram.inc | 6 | ||||
| -rw-r--r-- | src/cpu/intel/model_106cx/cache_as_ram_post.c | 4 |
2 files changed, 5 insertions, 5 deletions
diff --git a/src/cpu/intel/model_106cx/cache_as_ram.inc b/src/cpu/intel/model_106cx/cache_as_ram.inc index dec09fee65..2d36eac67f 100644 --- a/src/cpu/intel/model_106cx/cache_as_ram.inc +++ b/src/cpu/intel/model_106cx/cache_as_ram.inc @@ -71,7 +71,7 @@ clear_mtrrs: /* Set cache as ram mask */ movl $(MTRRphysMask_MSR(0)), %ecx movl $(~((CACHE_AS_RAM_SIZE-1)) | (1 << 11)), %eax - movl $0x00000000, %edx + xorl %edx, %edx wrmsr post_code(0x25) @@ -113,7 +113,7 @@ clear_mtrrs: #if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE) /* Enable cache for our code in Flash because we do XIP here */ movl $MTRRphysBase_MSR(1), %ecx - xorl %edx, %edx + xorl %edx, %edx #if defined(CONFIG_TINY_BOOTBLOCK) && CONFIG_TINY_BOOTBLOCK #define REAL_XIP_ROM_BASE AUTO_XIP_ROM_BASE #else @@ -124,7 +124,7 @@ clear_mtrrs: wrmsr movl $MTRRphysMask_MSR(1), %ecx - movl $0x00000000, %edx + xorl %edx, %edx movl $(~(CONFIG_XIP_ROM_SIZE - 1) | 0x800), %eax wrmsr #endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */ diff --git a/src/cpu/intel/model_106cx/cache_as_ram_post.c b/src/cpu/intel/model_106cx/cache_as_ram_post.c index 09446fdea1..f4ced0f845 100644 --- a/src/cpu/intel/model_106cx/cache_as_ram_post.c +++ b/src/cpu/intel/model_106cx/cache_as_ram_post.c @@ -60,7 +60,7 @@ "wrmsr\n" "movl $MTRRphysMask_MSR(0), %ecx\n" "movl $(~(1024*1024 -1) | (1 << 11)), %eax\n" - "movl $0x00000000, %edx\n" + "xorl %edx, %edx\n" "wrmsr\n" "movb $0x35, %al\noutb %al, $0x80\n" #endif @@ -97,7 +97,7 @@ "wrmsr\n" "movl $MTRRphysMask_MSR(0), %ecx\n" "movl $(~(1024*1024 -1) | (1 << 11)), %eax\n" - "movl $0x00000000, %edx\n" + "xorl %edx, %edx\n" "wrmsr\n" "movb $0x39, %al\noutb %al, $0x80\n" |