diff options
Diffstat (limited to 'modules/mp_amd64/mp_asmi.h')
| -rw-r--r-- | modules/mp_amd64/mp_asmi.h | 66 |
1 files changed, 38 insertions, 28 deletions
diff --git a/modules/mp_amd64/mp_asmi.h b/modules/mp_amd64/mp_asmi.h index 5366e6d50..c0f041068 100644 --- a/modules/mp_amd64/mp_asmi.h +++ b/modules/mp_amd64/mp_asmi.h @@ -10,6 +10,8 @@ namespace Botan { +extern "C" { + /************************************************* * Helper Macros for amd64 Assembly * *************************************************/ @@ -17,36 +19,42 @@ namespace Botan { #define ASM(x) x "\n\t" #endif -#define ADDSUB2_OP(OPERATION, INDEX) \ - ASM("movq 8*" INDEX "(%[y]), %[carry]") \ - ASM(OPERATION " %[carry], 8*" INDEX "(%[x])") \ - -#define ADDSUB3_OP(OPERATION, INDEX) \ - ASM("movq 8*" INDEX "(%[x]), %[carry]") \ - ASM(OPERATION " 8*" INDEX "(%[y]), %[carry]") \ - ASM("movq %[carry], 8*" INDEX "(%[z])") \ - -#define LINMUL_OP(WRITE_TO, INDEX) \ - ASM("movq 8*" INDEX "(%[x]),%%rax") \ - ASM("mulq %[y]") \ - ASM("addq %[carry],%%rax") \ - ASM("adcq $0,%%rdx") \ - ASM("movq %%rdx,%[carry]") \ - ASM("movq %%rax, 8*" INDEX "(%[" WRITE_TO "])") - -#define MULADD_OP(IGNORED, INDEX) \ - ASM("movq 8*" INDEX "(%[x]),%%rax") \ - ASM("mulq %[y]") \ - ASM("addq %[carry],%%rax") \ - ASM("adcq $0,%%rdx") \ - ASM("addq 8*" INDEX "(%[z]),%%rax") \ - ASM("adcq $0,%%rdx") \ - ASM("movq %%rdx,%[carry]") \ - ASM("movq %%rax, 8*" INDEX " (%[z])") +#define ADDSUB2_OP(OPERATION, INDEX) \ + ASM("movq 8*" #INDEX "(%[y]), %[carry]") \ + ASM(OPERATION " %[carry], 8*" #INDEX "(%[x])") \ + +#define ADDSUB3_OP(OPERATION, INDEX) \ + ASM("movq 8*" #INDEX "(%[x]), %[carry]") \ + ASM(OPERATION " 8*" #INDEX "(%[y]), %[carry]") \ + ASM("movq %[carry], 8*" #INDEX "(%[z])") \ + +#define LINMUL_OP(WRITE_TO, INDEX) \ + ASM("movq 8*" #INDEX "(%[x]),%%rax") \ + ASM("mulq %[y]") \ + ASM("addq %[carry],%%rax") \ + ASM("adcq $0,%%rdx") \ + ASM("movq %%rdx,%[carry]") \ + ASM("movq %%rax, 8*" #INDEX "(%[" WRITE_TO "])") + +#define MULADD_OP(IGNORED, INDEX) \ + ASM("movq 8*" #INDEX "(%[x]),%%rax") \ + ASM("mulq %[y]") \ + ASM("addq %[carry],%%rax") \ + ASM("adcq $0,%%rdx") \ + ASM("addq 8*" #INDEX "(%[z]),%%rax") \ + ASM("adcq $0,%%rdx") \ + ASM("movq %%rdx,%[carry]") \ + ASM("movq %%rax, 8*" #INDEX " (%[z])") #define DO_8_TIMES(MACRO, ARG) \ - MACRO(ARG, "0") MACRO(ARG, "1") MACRO(ARG, "2") MACRO(ARG, "3") \ - MACRO(ARG, "4") MACRO(ARG, "5") MACRO(ARG, "6") MACRO(ARG, "7") + MACRO(ARG, 0) \ + MACRO(ARG, 1) \ + MACRO(ARG, 2) \ + MACRO(ARG, 3) \ + MACRO(ARG, 4) \ + MACRO(ARG, 5) \ + MACRO(ARG, 6) \ + MACRO(ARG, 7) #define ADD_OR_SUBTRACT(CORE_CODE) \ ASM("rorq %[carry]") \ @@ -211,4 +219,6 @@ inline void word3_muladd_2(word* w2, word* w1, word* w0, word x, word y) } +} + #endif |