diff options
Diffstat (limited to 'web/server/h2o/libh2o/deps/picotls/deps/cifra/src/arm/unacl/cortex_m0_reduce25519.s')
-rw-r--r-- | web/server/h2o/libh2o/deps/picotls/deps/cifra/src/arm/unacl/cortex_m0_reduce25519.s | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/deps/picotls/deps/cifra/src/arm/unacl/cortex_m0_reduce25519.s b/web/server/h2o/libh2o/deps/picotls/deps/cifra/src/arm/unacl/cortex_m0_reduce25519.s new file mode 100644 index 000000000..4c09f5ea0 --- /dev/null +++ b/web/server/h2o/libh2o/deps/picotls/deps/cifra/src/arm/unacl/cortex_m0_reduce25519.s @@ -0,0 +1,176 @@ +// Implementation of a partial reduction modulo 2^255 - 38. +// +// B. Haase, Endress + Hauser Conducta GmbH & Ko. KG +// public domain. +// +// gnu assembler format. +// +// Generated and tested with C++ functions in the test subdirectory and on the target. +// + + .cpu cortex-m0 + .fpu softvfp + .eabi_attribute 20, 1 + .eabi_attribute 21, 1 + .eabi_attribute 23, 3 + .eabi_attribute 24, 1 + .eabi_attribute 25, 1 + .eabi_attribute 26, 1 + .eabi_attribute 30, 2 + .eabi_attribute 34, 0 + .eabi_attribute 18, 4 + .code 16 + + .file "cortex_m0_reduce25519.s" + + .text + .align 2 + + .global fe25519_reduceTo256Bits_asm + .code 16 + .thumb_func + .type fe25519_reduceTo256Bits_asm, %function + +fe25519_reduceTo256Bits_asm: + push {r4,r5,r6,r7,r14} + ldr r2,[r1,#60] + lsr r3,r2,#16 + uxth r2,r2 + mov r7,#38 + mul r2,r7 + mul r3,r7 + ldr r4,[r1,#28] + lsr r5,r3,#16 + lsl r3,r3,#16 + mov r6,#0 + add r4,r2 + adc r5,r6 + add r4,r3 + adc r5,r6 + lsl r2,r4,#1 + lsr r2,r2,#1 + str r2,[r0,#28] + lsr r4,r4,#31 + lsl r5,r5,#1 + orr r4,r5 + mov r2,#19 + mul r2,r4 + ldr r4,[r1,#0] + add r2,r4 + mov r3,#0 + adc r3,r6 + ldr r4,[r1,#32] + lsr r5,r4,#16 + uxth r4,r4 + mul r5,r7 + mul r4,r7 + add r2,r4 + adc r3,r6 + lsl r4,r5,#16 + lsr r5,r5,#16 + add r2,r4 + adc r3,r5 + str r2,[r0,#0] + ldr r4,[r1,#4] + add r3,r4 + mov r2,#0 + adc r2,r6 + ldr r4,[r1,#36] + lsr r5,r4,#16 + uxth r4,r4 + mul r5,r7 + mul r4,r7 + add r3,r4 + adc r2,r6 + lsl r4,r5,#16 + lsr r5,r5,#16 + add r3,r4 + adc r2,r5 + str r3,[r0,#4] + ldr r4,[r1,#8] + add r2,r4 + mov r3,#0 + adc r3,r6 + ldr r4,[r1,#40] + lsr r5,r4,#16 + uxth r4,r4 + mul r5,r7 + mul r4,r7 + add r2,r4 + adc r3,r6 + lsl r4,r5,#16 + lsr r5,r5,#16 + add r2,r4 + adc r3,r5 + str r2,[r0,#8] + ldr r4,[r1,#12] + add r3,r4 + mov r2,#0 + adc r2,r6 + ldr r4,[r1,#44] + lsr r5,r4,#16 + uxth r4,r4 + mul r5,r7 + mul r4,r7 + add r3,r4 + adc r2,r6 + lsl r4,r5,#16 + lsr r5,r5,#16 + add r3,r4 + adc r2,r5 + str r3,[r0,#12] + ldr r4,[r1,#16] + add r2,r4 + mov r3,#0 + adc r3,r6 + ldr r4,[r1,#48] + lsr r5,r4,#16 + uxth r4,r4 + mul r5,r7 + mul r4,r7 + add r2,r4 + adc r3,r6 + lsl r4,r5,#16 + lsr r5,r5,#16 + add r2,r4 + adc r3,r5 + str r2,[r0,#16] + ldr r4,[r1,#20] + add r3,r4 + mov r2,#0 + adc r2,r6 + ldr r4,[r1,#52] + lsr r5,r4,#16 + uxth r4,r4 + mul r5,r7 + mul r4,r7 + add r3,r4 + adc r2,r6 + lsl r4,r5,#16 + lsr r5,r5,#16 + add r3,r4 + adc r2,r5 + str r3,[r0,#20] + ldr r4,[r1,#24] + add r2,r4 + mov r3,#0 + adc r3,r6 + ldr r4,[r1,#56] + lsr r5,r4,#16 + uxth r4,r4 + mul r5,r7 + mul r4,r7 + add r2,r4 + adc r3,r6 + lsl r4,r5,#16 + lsr r5,r5,#16 + add r2,r4 + adc r3,r5 + str r2,[r0,#24] + ldr r4,[r0,#28] + add r4,r3 + str r4,[r0,#28] + pop {r4,r5,r6,r7,r15} + + .size fe25519_reduceTo256Bits_asm, .-fe25519_reduceTo256Bits_asm + |