diff options
Diffstat (limited to 'src/lib/math/mp/mp_x86_64/mp_madd.h')
-rw-r--r-- | src/lib/math/mp/mp_x86_64/mp_madd.h | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/src/lib/math/mp/mp_x86_64/mp_madd.h b/src/lib/math/mp/mp_x86_64/mp_madd.h deleted file mode 100644 index 6f9185dc0..000000000 --- a/src/lib/math/mp/mp_x86_64/mp_madd.h +++ /dev/null @@ -1,65 +0,0 @@ -/* -* Lowest Level MPI Algorithms -* (C) 1999-2008 Jack Lloyd -* 2006 Luca Piccarreta -* -* Botan is released under the Simplified BSD License (see license.txt) -*/ - -#ifndef BOTAN_MP_WORD_MULADD_H__ -#define BOTAN_MP_WORD_MULADD_H__ - -#include <botan/mp_types.h> - -#if (BOTAN_MP_WORD_BITS != 64) - #error The mp_x86_64 module requires that BOTAN_MP_WORD_BITS == 64 -#endif - -namespace Botan { - -/* -* Helper Macros for x86-64 Assembly -*/ -#define ASM(x) x "\n\t" - -/* -* Word Multiply -*/ -inline word word_madd2(word a, word b, word* c) - { - asm( - ASM("mulq %[b]") - ASM("addq %[c],%[a]") - ASM("adcq $0,%[carry]") - - : [a]"=a"(a), [b]"=rm"(b), [carry]"=&d"(*c) - : "0"(a), "1"(b), [c]"g"(*c) : "cc"); - - return a; - } - -/* -* Word Multiply/Add -*/ -inline word word_madd3(word a, word b, word c, word* d) - { - asm( - ASM("mulq %[b]") - - ASM("addq %[c],%[a]") - ASM("adcq $0,%[carry]") - - ASM("addq %[d],%[a]") - ASM("adcq $0,%[carry]") - - : [a]"=a"(a), [b]"=rm"(b), [carry]"=&d"(*d) - : "0"(a), "1"(b), [c]"g"(c), [d]"g"(*d) : "cc"); - - return a; - } - -#undef ASM - -} - -#endif |