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Code Issues 1 Releases Wiki Activity

add PQC_ASM in falcon

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This commit is contained in:
Henry Case 2021-09-21 11:36:08 +01:00
parent 4048380e80
commit 649f32d1f4
3 changed files with 11 additions and 7 deletions
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4
src/sign/falcon/CMakeLists.txt
View File

@ -1,3 +1,7 @@
if(NOT ${NO_ASM})
add_definitions(-DPQC_ASM=1)
endif()
set( set(
SRC_CLEAN_FALCON SRC_CLEAN_FALCON
api.c api.c

10
src/sign/falcon/fpr.h
View File

@ -271,23 +271,23 @@ fpr_sqrt(fpr x)
* the dependency to libm will still be there. * the dependency to libm will still be there.
*/ */
#if defined __GNUC__ && defined __SSE2_MATH__ #if defined __GNUC__ && defined __SSE2_MATH__ && defined PQC_ASM
return FPR(_mm_cvtsd_f64(_mm_sqrt_pd(_mm_set1_pd(x.v)))); return FPR(_mm_cvtsd_f64(_mm_sqrt_pd(_mm_set1_pd(x.v))));
#elif defined __GNUC__ && defined __i386__ #elif defined __GNUC__ && defined __i386__ && defined PQC_ASM
__asm__ __volatile__ ( __asm__ __volatile__ (
"fldl %0\n\t" "fldl %0\n\t"
"fsqrt\n\t" "fsqrt\n\t"
"fstpl %0\n\t" "fstpl %0\n\t"
: "+m" (x.v) : : ); : "+m" (x.v) : : );
return x; return x;
#elif defined _M_IX86 #elif defined _M_IX86 && defined PQC_ASM
__asm { __asm {
fld x.v fld x.v
fsqrt fsqrt
fstp x.v fstp x.v
} }
return x; return x;
#elif defined __PPC__ && defined __GNUC__ #elif defined __PPC__ && defined __GNUC__ && defined PQC_ASM
fpr y; fpr y;
#if defined __clang__ #if defined __clang__
@ -304,7 +304,7 @@ fpr_sqrt(fpr x)
#endif #endif
return y; return y;
#elif (defined __ARM_FP && ((__ARM_FP & 0x08) == 0x08)) \ #elif (defined __ARM_FP && ((__ARM_FP & 0x08) == 0x08)) \
|| (!defined __ARM_FP && defined __ARM_VFPV2__) || (!defined __ARM_FP && defined __ARM_VFPV2__) && defined PQC_ASM
/* /*
* On ARM, assembly syntaxes are a bit of a mess, depending on * On ARM, assembly syntaxes are a bit of a mess, depending on
* whether GCC or Clang is used, and the binutils version, and * whether GCC or Clang is used, and the binutils version, and

4
src/sign/falcon/inner.h
View File

@ -121,7 +121,7 @@ struct Zf(params_t) {
* targets other than 32-bit x86, or when the native 'double' type is * targets other than 32-bit x86, or when the native 'double' type is
* not used, the set_fpu_cw() function does nothing at all. * not used, the set_fpu_cw() function does nothing at all.
*/ */
#if defined __GNUC__ && defined __i386__ #if defined __GNUC__ && defined __i386__ && defined PQC_ASM
static inline unsigned static inline unsigned
set_fpu_cw(unsigned x) set_fpu_cw(unsigned x)
{ {
@ -134,7 +134,7 @@ set_fpu_cw(unsigned x)
__asm__ __volatile__ ("fldcw %0" : : "m" (t) : ); __asm__ __volatile__ ("fldcw %0" : : "m" (t) : );
return old; return old;
} }
#elif defined _M_IX86 #elif defined _M_IX86 && defined PQC_ASM
static inline unsigned static inline unsigned
set_fpu_cw(unsigned x) set_fpu_cw(unsigned x)
{ {