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Minor tidy-up

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-05-24 19:43:13 +01:00
parent ffbb7c5edc
commit 6adaca6062
1 changed files with 5 additions and 11 deletions
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16
library/bn_mul.h
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@ -670,11 +670,7 @@
* x !=0, which we can detect using __OPTIMIZE__ (which is also defined by
* clang and armcc5 under the same conditions).
*/
//#if defined(__ARM_ARCH)
//#if __ARM_ARCH >= 6
#if defined(__thumb__) && !defined(__thumb2__) // Thumb1 (not Thumb 2) ISA
#if defined(__thumb__) && !defined(__thumb2__) // Thumb 1 (not Thumb 2) ISA
// Only supported by gcc, when optimisation is enabled; only option A works
#if defined(__OPTIMIZE__) && !defined(__ARMCC_VERSION)
@ -685,7 +681,7 @@
#if !defined(__ARMCC_VERSION) && !defined(__OPTIMIZE__)
// gcc -O0: only option B builds
#if defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
#if (__ARM_ARCH >= 6) && defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
#define ARM_OPTION_B
#endif
#else
@ -698,18 +694,16 @@
// any option builds. A does not seem to work; B is about 2x faster than C (under emulation).
#define ARM_OPTION_B_OR_C
#endif
#endif /* Arm ISA selection */
#if defined(ARM_OPTION_B_OR_C)
// Prefer B, if we have the right features for it
#if (__ARM_ARCH >= 6) && defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
#define ARM_OPTION_B
#else
#define ARM_OPTION_C
#endif
#endif
//#endif
//#endif
#endif /* defined(ARM_OPTION_B_OR_C) */
#if defined(ARM_OPTION_A)