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SP int: support mingw64 again

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Check for _MSC_VER to determine that we are compiling for MSVC.
This commit is contained in:
Sean Parkinson
2022-11-07 16:34:26 +10:00
parent 5d70f3efce
commit b845c8bfc8
1 changed files with 4 additions and 3 deletions
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7
wolfcrypt/src/sp_int.c
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@ -288,7 +288,7 @@ This library provides single precision (SP) integer math functions.
* CPU: x86_64 * CPU: x86_64
*/ */
#ifndef _WIN64 #ifndef _MSC_VER
/* Multiply va by vb and store double size result in: vh | vl */ /* Multiply va by vb and store double size result in: vh | vl */
#define SP_ASM_MUL(vl, vh, va, vb) \ #define SP_ASM_MUL(vl, vh, va, vb) \
__asm__ __volatile__ ( \ __asm__ __volatile__ ( \
@ -576,7 +576,8 @@ This library provides single precision (SP) integer math functions.
while (0) while (0)
#endif #endif
#if !defined(WOLFSSL_SP_DIV_WORD_HALF) && (!defined(_WIN64) || _MSC_VER >= 1920) #if !defined(WOLFSSL_SP_DIV_WORD_HALF) && (!defined(_MSC_VER) || \
_MSC_VER >= 1920)
/* Divide a two digit number by a digit number and return. (hi | lo) / d /* Divide a two digit number by a digit number and return. (hi | lo) / d
* *
* Using divq instruction on Intel x64. * Using divq instruction on Intel x64.
@ -589,7 +590,7 @@ This library provides single precision (SP) integer math functions.
static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo, static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo,
sp_int_digit d) sp_int_digit d)
{ {
#ifndef _WIN64 #ifndef _MSC_VER
__asm__ __volatile__ ( __asm__ __volatile__ (
"divq %2" "divq %2"
: "+a" (lo) : "+a" (lo)