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Merge pull request #6090 from hanno-arm/fix_bnmul_arm_v7a

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Remove encoding width suffix from Arm bignum assembly
This commit is contained in:
Dave Rodgman
2022-08-18 08:48:03 +01:00
committed by GitHub
parent 8c9a0aebb3 03f7a6e086
commit 92cd8642fa
2 changed files with 20 additions and 14 deletions
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18
library/bn_mul.h
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@ -743,10 +743,10 @@
#define MULADDC_X1_CORE \
".p2align 2 \n\t" \
"ldr.w %[a], [%[in]], #4 \n\t" \
"ldr.w %[b], [%[acc]] \n\t" \
"ldr %[a], [%[in]], #4 \n\t" \
"ldr %[b], [%[acc]] \n\t" \
"umaal %[b], %[carry], %[scalar], %[a] \n\t" \
"str.w %[b], [%[acc]], #4 \n\t"
"str %[b], [%[acc]], #4 \n\t"
#define MULADDC_X1_STOP \
: [a] "=&r" (tmp_a), \
@ -777,14 +777,14 @@
* 2 cycles, while subsequent loads/stores are single-cycle. */
#define MULADDC_X2_CORE \
".p2align 2 \n\t" \
"ldr.w %[a0], [%[in]], #+8 \n\t" \
"ldr.w %[b0], [%[acc]], #+8 \n\t" \
"ldr.w %[a1], [%[in], #-4] \n\t" \
"ldr.w %[b1], [%[acc], #-4] \n\t" \
"ldr %[a0], [%[in]], #+8 \n\t" \
"ldr %[b0], [%[acc]], #+8 \n\t" \
"ldr %[a1], [%[in], #-4] \n\t" \
"ldr %[b1], [%[acc], #-4] \n\t" \
"umaal %[b0], %[carry], %[scalar], %[a0] \n\t" \
"umaal %[b1], %[carry], %[scalar], %[a1] \n\t" \
"str.w %[b0], [%[acc], #-8] \n\t" \
"str.w %[b1], [%[acc], #-4] \n\t"
"str %[b0], [%[acc], #-8] \n\t" \
"str %[b1], [%[acc], #-4] \n\t"
#define MULADDC_X2_STOP \
: [a0] "=&r" (tmp_a0), \