diff options
Diffstat (limited to 'modules')
| -rw-r--r-- | modules/mp_ia32/mp_asmi.h | 72 |
1 files changed, 38 insertions, 34 deletions
diff --git a/modules/mp_ia32/mp_asmi.h b/modules/mp_ia32/mp_asmi.h index 6d458a315..1320482f6 100644 --- a/modules/mp_ia32/mp_asmi.h +++ b/modules/mp_ia32/mp_asmi.h @@ -10,6 +10,8 @@ namespace Botan { +extern "C" { + /************************************************* * Helper Macros for x86 Assembly * *************************************************/ @@ -17,42 +19,42 @@ namespace Botan { #define ASM(x) x "\n\t" #endif -#define ADDSUB2_OP(OPERATION, INDEX) \ - ASM("movl 4*" INDEX "(%[y]), %[carry]") \ - ASM(OPERATION " %[carry], 4*" INDEX "(%[x])") \ - -#define ADDSUB3_OP(OPERATION, INDEX) \ - ASM("movl 4*" INDEX "(%[x]), %[carry]") \ - ASM(OPERATION " 4*" INDEX "(%[y]), %[carry]") \ - ASM("movl %[carry], 4*" INDEX "(%[z])") \ - -#define LINMUL_OP(WRITE_TO, INDEX) \ - ASM("movl 4*" INDEX "(%[x]),%%eax") \ - ASM("mull %[y]") \ - ASM("addl %[carry],%%eax") \ - ASM("adcl $0,%%edx") \ - ASM("movl %%edx,%[carry]") \ - ASM("movl %%eax, 4*" INDEX "(%[" WRITE_TO "])") - -#define MULADD_OP(IGNORED, INDEX) \ - ASM("movl 4*" INDEX "(%[x]),%%eax") \ - ASM("mull %[y]") \ - ASM("addl %[carry],%%eax") \ - ASM("adcl $0,%%edx") \ - ASM("addl 4*" INDEX "(%[z]),%%eax") \ - ASM("adcl $0,%%edx") \ - ASM("movl %%edx,%[carry]") \ - ASM("movl %%eax, 4*" INDEX " (%[z])") +#define ADDSUB2_OP(OPERATION, INDEX) \ + ASM("movl 4*" #INDEX "(%[y]), %[carry]") \ + ASM(OPERATION " %[carry], 4*" #INDEX "(%[x])") \ + +#define ADDSUB3_OP(OPERATION, INDEX) \ + ASM("movl 4*" #INDEX "(%[x]), %[carry]") \ + ASM(OPERATION " 4*" #INDEX "(%[y]), %[carry]") \ + ASM("movl %[carry], 4*" #INDEX "(%[z])") \ + +#define LINMUL_OP(WRITE_TO, INDEX) \ + ASM("movl 4*" #INDEX "(%[x]),%%eax") \ + ASM("mull %[y]") \ + ASM("addl %[carry],%%eax") \ + ASM("adcl $0,%%edx") \ + ASM("movl %%edx,%[carry]") \ + ASM("movl %%eax, 4*" #INDEX "(%[" WRITE_TO "])") + +#define MULADD_OP(IGNORED, INDEX) \ + ASM("movl 4*" #INDEX "(%[x]),%%eax") \ + ASM("mull %[y]") \ + ASM("addl %[carry],%%eax") \ + ASM("adcl $0,%%edx") \ + ASM("addl 4*" #INDEX "(%[z]),%%eax") \ + ASM("adcl $0,%%edx") \ + ASM("movl %%edx,%[carry]") \ + ASM("movl %%eax, 4*" #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("rorl %[carry]") \ @@ -217,4 +219,6 @@ inline void word3_muladd_2(word* w2, word* w1, word* w0, word x, word y) } +} + #endif |