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path: root/arch/x86/lib/checksum_32.S
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Diffstat (limited to 'arch/x86/lib/checksum_32.S')
-rw-r--r--arch/x86/lib/checksum_32.S64
1 files changed, 22 insertions, 42 deletions
diff --git a/arch/x86/lib/checksum_32.S b/arch/x86/lib/checksum_32.S
index e78b8eee6615..9bc944a91274 100644
--- a/arch/x86/lib/checksum_32.S
+++ b/arch/x86/lib/checksum_32.S
@@ -51,10 +51,8 @@ unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum)
*/
ENTRY(csum_partial)
CFI_STARTPROC
- pushl_cfi %esi
- CFI_REL_OFFSET esi, 0
- pushl_cfi %ebx
- CFI_REL_OFFSET ebx, 0
+ pushl_cfi_reg esi
+ pushl_cfi_reg ebx
movl 20(%esp),%eax # Function arg: unsigned int sum
movl 16(%esp),%ecx # Function arg: int len
movl 12(%esp),%esi # Function arg: unsigned char *buff
@@ -127,14 +125,12 @@ ENTRY(csum_partial)
6: addl %ecx,%eax
adcl $0, %eax
7:
- testl $1, 12(%esp)
+ testb $1, 12(%esp)
jz 8f
roll $8, %eax
8:
- popl_cfi %ebx
- CFI_RESTORE ebx
- popl_cfi %esi
- CFI_RESTORE esi
+ popl_cfi_reg ebx
+ popl_cfi_reg esi
ret
CFI_ENDPROC
ENDPROC(csum_partial)
@@ -145,10 +141,8 @@ ENDPROC(csum_partial)
ENTRY(csum_partial)
CFI_STARTPROC
- pushl_cfi %esi
- CFI_REL_OFFSET esi, 0
- pushl_cfi %ebx
- CFI_REL_OFFSET ebx, 0
+ pushl_cfi_reg esi
+ pushl_cfi_reg ebx
movl 20(%esp),%eax # Function arg: unsigned int sum
movl 16(%esp),%ecx # Function arg: int len
movl 12(%esp),%esi # Function arg: const unsigned char *buf
@@ -251,14 +245,12 @@ ENTRY(csum_partial)
addl %ebx,%eax
adcl $0,%eax
80:
- testl $1, 12(%esp)
+ testb $1, 12(%esp)
jz 90f
roll $8, %eax
90:
- popl_cfi %ebx
- CFI_RESTORE ebx
- popl_cfi %esi
- CFI_RESTORE esi
+ popl_cfi_reg ebx
+ popl_cfi_reg esi
ret
CFI_ENDPROC
ENDPROC(csum_partial)
@@ -298,12 +290,9 @@ ENTRY(csum_partial_copy_generic)
CFI_STARTPROC
subl $4,%esp
CFI_ADJUST_CFA_OFFSET 4
- pushl_cfi %edi
- CFI_REL_OFFSET edi, 0
- pushl_cfi %esi
- CFI_REL_OFFSET esi, 0
- pushl_cfi %ebx
- CFI_REL_OFFSET ebx, 0
+ pushl_cfi_reg edi
+ pushl_cfi_reg esi
+ pushl_cfi_reg ebx
movl ARGBASE+16(%esp),%eax # sum
movl ARGBASE+12(%esp),%ecx # len
movl ARGBASE+4(%esp),%esi # src
@@ -412,12 +401,9 @@ DST( movb %cl, (%edi) )
.previous
- popl_cfi %ebx
- CFI_RESTORE ebx
- popl_cfi %esi
- CFI_RESTORE esi
- popl_cfi %edi
- CFI_RESTORE edi
+ popl_cfi_reg ebx
+ popl_cfi_reg esi
+ popl_cfi_reg edi
popl_cfi %ecx # equivalent to addl $4,%esp
ret
CFI_ENDPROC
@@ -441,12 +427,9 @@ ENDPROC(csum_partial_copy_generic)
ENTRY(csum_partial_copy_generic)
CFI_STARTPROC
- pushl_cfi %ebx
- CFI_REL_OFFSET ebx, 0
- pushl_cfi %edi
- CFI_REL_OFFSET edi, 0
- pushl_cfi %esi
- CFI_REL_OFFSET esi, 0
+ pushl_cfi_reg ebx
+ pushl_cfi_reg edi
+ pushl_cfi_reg esi
movl ARGBASE+4(%esp),%esi #src
movl ARGBASE+8(%esp),%edi #dst
movl ARGBASE+12(%esp),%ecx #len
@@ -506,12 +489,9 @@ DST( movb %dl, (%edi) )
jmp 7b
.previous
- popl_cfi %esi
- CFI_RESTORE esi
- popl_cfi %edi
- CFI_RESTORE edi
- popl_cfi %ebx
- CFI_RESTORE ebx
+ popl_cfi_reg esi
+ popl_cfi_reg edi
+ popl_cfi_reg ebx
ret
CFI_ENDPROC
ENDPROC(csum_partial_copy_generic)