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fix issue #2020

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Fixed a bug that the little-endian Microblaze does not work when MBEDTLS_HAVE_ASM is defined.

Signed-off-by: Kazuyuki Kimura <kim@wing.ocn.ne.jp>
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Kazuyuki Kimura
2021-05-31 17:07:28 +09:00
committed by Dave Rodgman
parent 5048045f25
commit 90b99bf964
1 changed files with 12 additions and 2 deletions
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14
include/mbedtls/bn_mul.h
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@@ -579,10 +579,20 @@
"andi r7, r6, 0xffff \n\t" \ "andi r7, r6, 0xffff \n\t" \
"bsrli r6, r6, 16 \n\t" "bsrli r6, r6, 16 \n\t"
#define MULADDC_CORE \ #if(__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
#define MULADDC_LHUI \
"lhui r9, r3, 0 \n\t" \
"addi r3, r3, 2 \n\t" \
"lhui r8, r3, 0 \n\t"
#else
#define MULADDC_LHUI \
"lhui r8, r3, 0 \n\t" \ "lhui r8, r3, 0 \n\t" \
"addi r3, r3, 2 \n\t" \ "addi r3, r3, 2 \n\t" \
"lhui r9, r3, 0 \n\t" \ "lhui r9, r3, 0 \n\t"
#endif
#define MULADDC_CORE \
MULADDC_LHUI \
"addi r3, r3, 2 \n\t" \ "addi r3, r3, 2 \n\t" \
"mul r10, r9, r6 \n\t" \ "mul r10, r9, r6 \n\t" \
"mul r11, r8, r7 \n\t" \ "mul r11, r8, r7 \n\t" \