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Side by Side Diff: third_party/boringssl/linux-arm/crypto/bn/armv4-mont.S

Issue 1136743004: Roll src/third_party/boringssl/src 68de407:771a138 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 7 months ago
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1 #include "arm_arch.h" 1 #include "arm_arch.h"
2 2
3 .text 3 .text
4 .code 32 4 .code 32
5 5
6 #if __ARM_ARCH__>=7 6 #if __ARM_MAX_ARCH__>=7
7 .align 5 7 .align 5
8 .LOPENSSL_armcap: 8 .LOPENSSL_armcap:
9 .word» OPENSSL_armcap_P-bn_mul_mont 9 .word» OPENSSL_armcap_P-.Lbn_mul_mont
10 #endif 10 #endif
11 11
12 .global»bn_mul_mont 12 .globl» bn_mul_mont
13 .hidden bn_mul_mont 13 .hidden bn_mul_mont
14 .type bn_mul_mont,%function 14 .type bn_mul_mont,%function
15 15
16 .align 5 16 .align 5
17 bn_mul_mont: 17 bn_mul_mont:
18 .Lbn_mul_mont:
18 ldr ip,[sp,#4] @ load num 19 ldr ip,[sp,#4] @ load num
19 stmdb sp!,{r0,r2} @ sp points at argument block 20 stmdb sp!,{r0,r2} @ sp points at argument block
20 #if __ARM_ARCH__>=7 21 #if __ARM_MAX_ARCH__>=7
21 tst ip,#7 22 tst ip,#7
22 bne .Lialu 23 bne .Lialu
23 adr r0,bn_mul_mont 24 adr r0,bn_mul_mont
24 ldr r2,.LOPENSSL_armcap 25 ldr r2,.LOPENSSL_armcap
25 ldr r0,[r0,r2] 26 ldr r0,[r0,r2]
27 #ifdef __APPLE__
28 ldr r0,[r0]
29 #endif
26 tst r0,#1 @ NEON available? 30 tst r0,#1 @ NEON available?
27 ldmia sp, {r0,r2} 31 ldmia sp, {r0,r2}
28 beq .Lialu 32 beq .Lialu
29 add sp,sp,#8 33 add sp,sp,#8
30 b bn_mul8x_mont_neon 34 b bn_mul8x_mont_neon
31 .align 4 35 .align 4
32 .Lialu: 36 .Lialu:
33 #endif 37 #endif
34 cmp ip,#2 38 cmp ip,#2
35 mov r0,ip @ load num 39 mov r0,ip @ load num
36 movlt r0,#0 40 movlt r0,#0
37 addlt sp,sp,#2*4 41 addlt sp,sp,#2*4
38 blt .Labrt 42 blt .Labrt
39 43
40 » stmdb» sp!,{r4-r12,lr}»» @ save 10 registers 44 » stmdb» sp!,{r4,r5,r6,r7,r8,r9,r10,r11,r12,lr}» » @ save 10 regist ers
41 45
42 mov r0,r0,lsl#2 @ rescale r0 for byte count 46 mov r0,r0,lsl#2 @ rescale r0 for byte count
43 sub sp,sp,r0 @ alloca(4*num) 47 sub sp,sp,r0 @ alloca(4*num)
44 sub sp,sp,#4 @ +extra dword 48 sub sp,sp,#4 @ +extra dword
45 sub r0,r0,#4 @ "num=num-1" 49 sub r0,r0,#4 @ "num=num-1"
46 add r4,r2,r0 @ &bp[num-1] 50 add r4,r2,r0 @ &bp[num-1]
47 51
48 add r0,sp,r0 @ r0 to point at &tp[num-1] 52 add r0,sp,r0 @ r0 to point at &tp[num-1]
49 ldr r8,[r0,#14*4] @ &n0 53 ldr r8,[r0,#14*4] @ &n0
50 ldr r2,[r2] @ bp[0] 54 ldr r2,[r2] @ bp[0]
(...skipping 20 matching lines...) Expand all
71 adds r12,r12,r10 75 adds r12,r12,r10
72 str r12,[r4],#4 @ tp[j-1]=,tp++ 76 str r12,[r4],#4 @ tp[j-1]=,tp++
73 adc r12,r14,#0 77 adc r12,r14,#0
74 cmp r4,r0 78 cmp r4,r0
75 bne .L1st 79 bne .L1st
76 80
77 adds r12,r12,r11 81 adds r12,r12,r11
78 ldr r4,[r0,#13*4] @ restore bp 82 ldr r4,[r0,#13*4] @ restore bp
79 mov r14,#0 83 mov r14,#0
80 ldr r8,[r0,#14*4] @ restore n0 84 ldr r8,[r0,#14*4] @ restore n0

error: old chunk mismatch

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