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check if adox available

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This commit is contained in:
Henry Case 2021-04-18 23:50:59 +01:00
parent 3683dcfa64
commit 6b9aa0e10b
1 changed files with 2 additions and 3 deletions
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5
src/kem/sike/p434/fp_generic.c
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@ -97,8 +97,7 @@ void sike_mpmul(const felm_t a, const felm_t b, dfelm_t c)
crypto_word_t t = 0, u = 0, v = 0, UV[2]; crypto_word_t t = 0, u = 0, v = 0, UV[2];
unsigned int carry = 0; unsigned int carry = 0;
// TODO: it actually needs BMI2 & ADOX. cpu_features needs to be updated if (CPU_CAPS.bmi2 && CPU_CAPS.adx) {
if (CPU_CAPS.bmi2) {
sike_mpmul_asm(a,b,c); sike_mpmul_asm(a,b,c);
return; return;
} }
@ -138,7 +137,7 @@ void sike_mpmul(const felm_t a, const felm_t b, dfelm_t c)
void sike_fprdc_asm(const felm_t ma, felm_t mc); void sike_fprdc_asm(const felm_t ma, felm_t mc);
void sike_fprdc(const felm_t ma, felm_t mc) void sike_fprdc(const felm_t ma, felm_t mc)
{ {
if (CPU_CAPS.bmi2) { if (CPU_CAPS.bmi2 && CPU_CAPS.adx) {
sike_fprdc_asm(ma, mc); sike_fprdc_asm(ma, mc);
return; return;
} }