diff options
Diffstat (limited to '')
| -rw-r--r-- | web/server/h2o/libh2o/deps/picotls/deps/cifra/src/arm/unacl/cortex_m0_mpy121666.s | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/deps/picotls/deps/cifra/src/arm/unacl/cortex_m0_mpy121666.s b/web/server/h2o/libh2o/deps/picotls/deps/cifra/src/arm/unacl/cortex_m0_mpy121666.s new file mode 100644 index 000000000..49e3b5d00 --- /dev/null +++ b/web/server/h2o/libh2o/deps/picotls/deps/cifra/src/arm/unacl/cortex_m0_mpy121666.s @@ -0,0 +1,199 @@ +// Implementation of multiplication of an fe25519 bit value with the curve constant 121666. +// +// B. Haase, Endress + Hauser Conducta GmbH & Ko. KG +// public domain. +// +// gnu assembler format. +// +// Generated and tested with C++ functions in the test subdirectory. +// +// ATTENTION: +// Not yet tested on target hardware. + + + .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_mpyWith121666_asm + .code 16 + .thumb_func + .type fe25519_mpyWith121666_asm, %function + +fe25519_mpyWith121666_asm: + push {r4,r5,r6,r7,r14} + ldr r7,__label_for_immediate_56130 + ldr r2,[r1,#28] + lsl r5,r2,#16 + lsr r6,r2,#16 + lsr r3,r2,#16 + uxth r2,r2 + mul r2,r7 + mul r3,r7 + add r5,r2 + mov r2,#0 + adc r6,r2 + lsl r2,r3,#16 + lsr r3,r3,#16 + add r5,r2 + adc r6,r3 + lsl r2,r5,#1 + lsr r2,r2,#1 + str r2,[r0,#28] + lsr r5,r5,#31 + lsl r6,r6,#1 + orr r5,r6 + mov r6,#19 + mul r5,r6 + mov r6,#0 + ldr r2,[r1,#0] + lsl r3,r2,#16 + lsr r4,r2,#16 + add r5,r3 + adc r6,r4 + lsr r3,r2,#16 + uxth r2,r2 + mul r2,r7 + mul r3,r7 + add r5,r2 + mov r2,#0 + adc r6,r2 + lsl r2,r3,#16 + lsr r3,r3,#16 + add r5,r2 + adc r6,r3 + str r5,[r0,#0] + mov r5,#0 + ldr r2,[r1,#4] + lsl r3,r2,#16 + lsr r4,r2,#16 + add r6,r3 + adc r5,r4 + lsr r3,r2,#16 + uxth r2,r2 + mul r2,r7 + mul r3,r7 + add r6,r2 + mov r2,#0 + adc r5,r2 + lsl r2,r3,#16 + lsr r3,r3,#16 + add r6,r2 + adc r5,r3 + str r6,[r0,#4] + mov r6,#0 + ldr r2,[r1,#8] + lsl r3,r2,#16 + lsr r4,r2,#16 + add r5,r3 + adc r6,r4 + lsr r3,r2,#16 + uxth r2,r2 + mul r2,r7 + mul r3,r7 + add r5,r2 + mov r2,#0 + adc r6,r2 + lsl r2,r3,#16 + lsr r3,r3,#16 + add r5,r2 + adc r6,r3 + str r5,[r0,#8] + mov r5,#0 + ldr r2,[r1,#12] + lsl r3,r2,#16 + lsr r4,r2,#16 + add r6,r3 + adc r5,r4 + lsr r3,r2,#16 + uxth r2,r2 + mul r2,r7 + mul r3,r7 + add r6,r2 + mov r2,#0 + adc r5,r2 + lsl r2,r3,#16 + lsr r3,r3,#16 + add r6,r2 + adc r5,r3 + str r6,[r0,#12] + mov r6,#0 + ldr r2,[r1,#16] + lsl r3,r2,#16 + lsr r4,r2,#16 + add r5,r3 + adc r6,r4 + lsr r3,r2,#16 + uxth r2,r2 + mul r2,r7 + mul r3,r7 + add r5,r2 + mov r2,#0 + adc r6,r2 + lsl r2,r3,#16 + lsr r3,r3,#16 + add r5,r2 + adc r6,r3 + str r5,[r0,#16] + mov r5,#0 + ldr r2,[r1,#20] + lsl r3,r2,#16 + lsr r4,r2,#16 + add r6,r3 + adc r5,r4 + lsr r3,r2,#16 + uxth r2,r2 + mul r2,r7 + mul r3,r7 + add r6,r2 + mov r2,#0 + adc r5,r2 + lsl r2,r3,#16 + lsr r3,r3,#16 + add r6,r2 + adc r5,r3 + str r6,[r0,#20] + mov r6,#0 + ldr r2,[r1,#24] + lsl r3,r2,#16 + lsr r4,r2,#16 + add r5,r3 + adc r6,r4 + lsr r3,r2,#16 + uxth r2,r2 + mul r2,r7 + mul r3,r7 + add r5,r2 + mov r2,#0 + adc r6,r2 + lsl r2,r3,#16 + lsr r3,r3,#16 + add r5,r2 + adc r6,r3 + str r5,[r0,#24] + mov r5,#0 + ldr r2,[r0,#28] + add r6,r2 + str r6,[r0,#28] + pop {r4,r5,r6,r7,r15} + + .align 2 +__label_for_immediate_56130: + .word 56130 + + .size fe25519_mpyWith121666_asm, .-fe25519_mpyWith121666_asm + |