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Improve ISA detection

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman
2023-05-25 18:53:57 +01:00
parent 12b14b2c97
commit 3964fe0f5e
1 changed files with 7 additions and 3 deletions
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10
library/bn_mul.h
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@ -660,7 +660,8 @@
#if defined(__arm__) #if defined(__arm__)
#if defined(__thumb__) && !defined(__thumb2__) && !defined(__ARMCC_VERSION) #if defined(__thumb__) && !defined(__thumb2__)
#if !defined(__ARMCC_VERSION)
/* /*
* Thumb 1 ISA. This code path does not work on armclang. * Thumb 1 ISA. This code path does not work on armclang.
*/ */
@ -745,10 +746,13 @@
: "r0", "r1", "r2", "r3", "r4", "r5", \ : "r0", "r1", "r2", "r3", "r4", "r5", \
"r6", MULADDC_SCRATCH_CLOBBER, "r8", "r9", "cc" \ "r6", MULADDC_SCRATCH_CLOBBER, "r8", "r9", "cc" \
); );
#endif /* !defined(__ARMCC_VERSION) */
#elif (__ARM_ARCH >= 6) && \ #elif (__ARM_ARCH >= 6) && \
defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1) defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
/* Armv6-M with DSP Instruction Set Extensions */ /* Armv6-M (or later) with DSP Instruction Set Extensions.
* Requires support for either Thumb 2 or Arm ISA.
*/
#define MULADDC_X1_INIT \ #define MULADDC_X1_INIT \
{ \ { \
@ -813,7 +817,7 @@
); \ ); \
} }
#elif defined(__thumb2__) || !defined(__thumb__) #else
/* Thumb 2 or Arm ISA, without DSP extensions */ /* Thumb 2 or Arm ISA, without DSP extensions */
#define MULADDC_X1_INIT \ #define MULADDC_X1_INIT \