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touching whitespace in assembly routines being touched right now

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This commit is contained in:
John Safranek
2016-04-13 11:48:25 -07:00
parent 8524afc56a
commit 451fd878f9
2 changed files with 347 additions and 358 deletions
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38
wolfcrypt/src/aes_asm.asm
View File

@@ -101,28 +101,23 @@ LAST:
AES_CBC_encrypt ENDP
; /*
; AES_CBC_decrypt[const ,unsigned char*in
; unsigned ,char*out
; unsigned ,char ivec+16
; unsigned ,long length
; const ,unsigned char*KS
; int nr]
; */
; . globl AES_CBC_decrypt
; void AES_CBC_decrypt(const unsigned char* in,
; unsigned char* out,
; unsigned char ivec[16],
; unsigned long length,
; const unsigned char* KS,
; int nr)
AES_CBC_decrypt PROC
;# parameter 1: rdi
;# parameter 2: rsi
;# parameter 3: rdx
;# parameter 4: rcx
;# parameter 5: r8
;# parameter 6: r9d
; parameter 1: rdi
; parameter 2: rsi
; parameter 3: rdx
; parameter 4: rcx
; parameter 5: r8
; parameter 6: r9d
; save rdi and rsi to rax and r11, restore before ret
mov rax, rdi
mov r11, rsi
; convert to what we had for att&t convention
mov rdi, rcx
mov rsi, rdx
@@ -130,8 +125,8 @@ AES_CBC_decrypt PROC
mov rcx,r9
mov r8, [rsp+40]
mov r9d, [rsp+48]
; on microsoft xmm6-xmm15 are non volaitle, let's save on stack and restore at end
; on microsoft xmm6-xmm15 are non volatile,
; let's save on stack and restore at end
sub rsp, 8+8*16 ; 8 = align stack , 8 xmm6-12,15 16 bytes each
movdqa [rsp+0], xmm6
movdqa [rsp+16], xmm7
@@ -141,7 +136,6 @@ AES_CBC_decrypt PROC
movdqa [rsp+80], xmm11
movdqa [rsp+96], xmm12
movdqa [rsp+112], xmm15
mov r10, rcx
shr rcx, 4
shl r10, 60
@@ -171,7 +165,6 @@ DLOOP_4:
pxor xmm1, xmm9
pxor xmm2, xmm9
pxor xmm3, xmm9
pxor xmm4, xmm9
aesdec xmm1, xmm10
aesdec xmm2, xmm10
@@ -231,7 +224,6 @@ DLOOP_4:
aesdec xmm3, xmm10
aesdec xmm4, xmm10
jb DLAST_4
movdqa xmm9, 192[r8]
movdqa xmm10, 208[r8]
movdqa xmm11, 224[r8]
@@ -295,7 +287,6 @@ DLAST_4_2:
pxor xmm1, xmm5
movdqa xmm5, xmm15
movdqu [rsi], xmm1
add rsi, 16
dec r10
jne DLOOP_4_2
@@ -316,6 +307,7 @@ DEND_4:
ret
AES_CBC_decrypt ENDP
; /*
; AES_ECB_encrypt[const ,unsigned char*in
; unsigned ,char*out

3
wolfcrypt/src/aes_asm.s
View File

@@ -134,7 +134,6 @@ movdqa 48(%r8), %xmm12
pxor %xmm9, %xmm1
pxor %xmm9, %xmm2
pxor %xmm9, %xmm3
pxor %xmm9, %xmm4
aesdec %xmm10, %xmm1
aesdec %xmm10, %xmm2
@@ -194,7 +193,6 @@ aesdec %xmm10, %xmm2
aesdec %xmm10, %xmm3
aesdec %xmm10, %xmm4
jb DLAST_4
movdqa 192(%r8), %xmm9
movdqa 208(%r8), %xmm10
movdqa 224(%r8), %xmm11
@@ -258,7 +256,6 @@ aesdeclast %xmm2, %xmm1
pxor %xmm5, %xmm1
movdqa %xmm15, %xmm5
movdqu %xmm1, (%rsi)
addq $16, %rsi
decq %r10
jne DLOOP_4_2