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Give options clearer names

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-05-24 23:24:16 +01:00
parent 6adaca6062
commit 5c5a6dece6
1 changed files with 11 additions and 11 deletions
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22
library/bn_mul.h
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@ -674,7 +674,7 @@
// Only supported by gcc, when optimisation is enabled; only option A works
#if defined(__OPTIMIZE__) && !defined(__ARMCC_VERSION)
#define ARM_OPTION_A
#define ARM_THUMB_1
#endif
#elif defined(__thumb2__) // Thumb 2 ISA
@ -682,30 +682,30 @@
#if !defined(__ARMCC_VERSION) && !defined(__OPTIMIZE__)
// gcc -O0: only option B builds
#if (__ARM_ARCH >= 6) && defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
#define ARM_OPTION_B
#define ARM_V6_DSP
#endif
#else
// gcc with optimisation, or armclang: any option builds
#define ARM_OPTION_B_OR_C
#define ARM_V6_DSP_OR_THUMB_2
#endif
#elif defined(__arm__) // Arm ISA
// any option builds. A does not seem to work; B is about 2x faster than C (under emulation).
#define ARM_OPTION_B_OR_C
#define ARM_V6_DSP_OR_THUMB_2
#endif /* Arm ISA selection */
#if defined(ARM_OPTION_B_OR_C)
#if defined(ARM_V6_DSP_OR_THUMB_2)
// 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
#define ARM_V6_DSP
#else
#define ARM_OPTION_C
#define ARM_THUMB_2
#endif
#endif /* defined(ARM_OPTION_B_OR_C) */
#endif /* defined(ARM_V6_DSP_OR_THUMB_2) */
#if defined(ARM_OPTION_A)
#if defined(ARM_THUMB_1)
#define MULADDC_X1_INIT \
asm( \
@ -760,7 +760,7 @@
"r6", "r7", "r8", "r9", "cc" \
);
#elif defined(ARM_OPTION_B)
#elif defined(ARM_V6_DSP)
#define MULADDC_X1_INIT \
{ \
@ -825,7 +825,7 @@
); \
}
#elif defined(ARM_OPTION_C)
#elif defined(ARM_THUMB_2)
#define MULADDC_X1_INIT \
asm( \