X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=tomsfastmath%2Fsrc%2Fmul%2Ffp_mul_comba_6.c;fp=tomsfastmath%2Fsrc%2Fmul%2Ffp_mul_comba_6.c;h=d337be215d3fa31e8e7b3b963a93422f2706deab;hb=66bc25938679f1d6a1d1200f329093d82a5e99b4;hp=0000000000000000000000000000000000000000;hpb=a52ee0733f420ca20224049260d6fc5cf7d8f621;p=zpackage diff --git a/tomsfastmath/src/mul/fp_mul_comba_6.c b/tomsfastmath/src/mul/fp_mul_comba_6.c new file mode 100644 index 0000000..d337be2 --- /dev/null +++ b/tomsfastmath/src/mul/fp_mul_comba_6.c @@ -0,0 +1,68 @@ +#define TFM_DEFINES +#include "fp_mul_comba.c" + +#if defined(TFM_MUL6) && FP_SIZE >= 12 +void fp_mul_comba6(fp_int *A, fp_int *B, fp_int *C) +{ + fp_digit c0, c1, c2, at[12]; + + memcpy(at, A->dp, 6 * sizeof(fp_digit)); + memcpy(at+6, B->dp, 6 * sizeof(fp_digit)); + COMBA_START; + + COMBA_CLEAR; + /* 0 */ + MULADD(at[0], at[6]); + COMBA_STORE(C->dp[0]); + /* 1 */ + COMBA_FORWARD; + MULADD(at[0], at[7]); MULADD(at[1], at[6]); + COMBA_STORE(C->dp[1]); + /* 2 */ + COMBA_FORWARD; + MULADD(at[0], at[8]); MULADD(at[1], at[7]); MULADD(at[2], at[6]); + COMBA_STORE(C->dp[2]); + /* 3 */ + COMBA_FORWARD; + MULADD(at[0], at[9]); MULADD(at[1], at[8]); MULADD(at[2], at[7]); MULADD(at[3], at[6]); + COMBA_STORE(C->dp[3]); + /* 4 */ + COMBA_FORWARD; + MULADD(at[0], at[10]); MULADD(at[1], at[9]); MULADD(at[2], at[8]); MULADD(at[3], at[7]); MULADD(at[4], at[6]); + COMBA_STORE(C->dp[4]); + /* 5 */ + COMBA_FORWARD; + MULADD(at[0], at[11]); MULADD(at[1], at[10]); MULADD(at[2], at[9]); MULADD(at[3], at[8]); MULADD(at[4], at[7]); MULADD(at[5], at[6]); + COMBA_STORE(C->dp[5]); + /* 6 */ + COMBA_FORWARD; + MULADD(at[1], at[11]); MULADD(at[2], at[10]); MULADD(at[3], at[9]); MULADD(at[4], at[8]); MULADD(at[5], at[7]); + COMBA_STORE(C->dp[6]); + /* 7 */ + COMBA_FORWARD; + MULADD(at[2], at[11]); MULADD(at[3], at[10]); MULADD(at[4], at[9]); MULADD(at[5], at[8]); + COMBA_STORE(C->dp[7]); + /* 8 */ + COMBA_FORWARD; + MULADD(at[3], at[11]); MULADD(at[4], at[10]); MULADD(at[5], at[9]); + COMBA_STORE(C->dp[8]); + /* 9 */ + COMBA_FORWARD; + MULADD(at[4], at[11]); MULADD(at[5], at[10]); + COMBA_STORE(C->dp[9]); + /* 10 */ + COMBA_FORWARD; + MULADD(at[5], at[11]); + COMBA_STORE(C->dp[10]); + COMBA_STORE2(C->dp[11]); + C->used = 12; + C->sign = A->sign ^ B->sign; + fp_clamp(C); + COMBA_FINI; +} +#endif + + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */