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authorlloyd <[email protected]>2006-08-13 07:13:52 +0000
committerlloyd <[email protected]>2006-08-13 07:13:52 +0000
commit7668bc4c22e12b95048222ebefa21d4990c7abad (patch)
tree9f6fcff71755c126c233d9dba1ed20bc40032229
parentfaf83849264e07d7606157e350034fddf64a48fe (diff)
Further macro-ization
-rw-r--r--modules/sha_x86/asm_macr.h9
-rw-r--r--modules/sha_x86/sha1core.S78
2 files changed, 44 insertions, 43 deletions
diff --git a/modules/sha_x86/asm_macr.h b/modules/sha_x86/asm_macr.h
index 095d656bf..d5dcfd238 100644
--- a/modules/sha_x86/asm_macr.h
+++ b/modules/sha_x86/asm_macr.h
@@ -22,7 +22,11 @@ func_name:
#define LOOP_UNTIL(REG, NUM, LABEL) \
cmpl NUM, REG; \
- jne LABEL
+ jne LABEL##_LOOP
+
+#define START_LOOP(LABEL) \
+ ALIGN; \
+ LABEL##_LOOP:
#define EAX %eax
#define EBX %ebx
@@ -37,6 +41,9 @@ func_name:
#define ADD(FROM, TO) addl FROM, TO
+#define XOR(FROM, TO) xorl FROM, TO
+#define ROTL(NUM, REG) roll NUM, REG
+
#define ARRAY(REG, NUM) 4*NUM(REG)
diff --git a/modules/sha_x86/sha1core.S b/modules/sha_x86/sha1core.S
index 01c6c7c18..77128ffa1 100644
--- a/modules/sha_x86/sha1core.S
+++ b/modules/sha_x86/sha1core.S
@@ -20,8 +20,7 @@ FUNCTION(sha160_core)
ZEROIZE(ESI)
- ALIGN
-.LOAD_INPUT_LOOP:
+START_LOOP(.LOAD_INPUT)
ADD(IMM(4), ESI)
MOV(ARRAY(EBP, 0), EAX)
@@ -40,52 +39,47 @@ FUNCTION(sha160_core)
movl EBX, -12(EDI,ESI,4)
movl ECX, -8(EDI,ESI,4)
movl EDX, -4(EDI,ESI,4)
-
- LOOP_UNTIL(ESI, IMM(16), .LOAD_INPUT_LOOP)
+LOOP_UNTIL(ESI, IMM(16), .LOAD_INPUT)
leal 64(EDI), EBP
- ALIGN
-.EXPANSION_LOOP:
+START_LOOP(.EXPANSION)
ADD(IMM(4), ESI)
ZEROIZE(EAX)
-
- movl -4(EBP), EBX
- movl -8(EBP), ECX
- movl -12(EBP), EDX
-
- xorl -20(EBP), EAX
- xorl -24(EBP), EBX
- xorl -28(EBP), ECX
- xorl -32(EBP), EDX
-
- xorl -44(EBP), EAX
- xorl -48(EBP), EBX
- xorl -52(EBP), ECX
- xorl -56(EBP), EDX
-
- xorl -52(EBP), EAX
- xorl -56(EBP), EBX
- xorl -60(EBP), ECX
- xorl -64(EBP), EDX
-
- roll $1, EDX
-
- roll $1, ECX
- movl EDX, (EBP)
-
- roll $1, EBX
- movl ECX, 4(EBP)
-
- xorl EDX, EAX
- movl EBX, 8(EBP)
- roll $1, EAX
- movl EAX, 12(EBP)
-
- addl $16, EBP
- cmpl $80, ESI
- LOOP_UNTIL(ESI, IMM(80), .EXPANSION_LOOP)
+
+ MOV(ARRAY(EBP, -1), EBX)
+ MOV(ARRAY(EBP, -2), ECX)
+ MOV(ARRAY(EBP, -3), EDX)
+
+ XOR(ARRAY(EBP, -5), EAX)
+ XOR(ARRAY(EBP, -6), EBX)
+ XOR(ARRAY(EBP, -7), ECX)
+ XOR(ARRAY(EBP, -8), EDX)
+
+ XOR(ARRAY(EBP, -11), EAX)
+ XOR(ARRAY(EBP, -12), EBX)
+ XOR(ARRAY(EBP, -13), ECX)
+ XOR(ARRAY(EBP, -14), EDX)
+
+ XOR(ARRAY(EBP, -13), EAX)
+ XOR(ARRAY(EBP, -14), EBX)
+ XOR(ARRAY(EBP, -15), ECX)
+ XOR(ARRAY(EBP, -16), EDX)
+
+ ROTL(IMM(1), EDX)
+ ROTL(IMM(1), ECX)
+ ROTL(IMM(1), EBX)
+ XOR(EDX, EAX)
+ ROTL(IMM(1), EAX)
+
+ MOV(EDX, ARRAY(EBP, 0))
+ MOV(ECX, ARRAY(EBP, 1))
+ MOV(EBX, ARRAY(EBP, 2))
+ MOV(EAX, ARRAY(EBP, 3))
+
+ ADD(IMM(16), EBP)
+LOOP_UNTIL(ESI, IMM(80), .EXPANSION)
movl 20(%esp), EBP
movl 0(EBP), EAX