diff options
| author | lloyd <[email protected]> | 2008-09-29 20:20:49 +0000 |
|---|---|---|
| committer | lloyd <[email protected]> | 2008-09-29 20:20:49 +0000 |
| commit | a3366dc421c4ef9f802009a667ddcb8a9cd2c8a6 (patch) | |
| tree | 99acc26ed3fc07746c074fefebaca2561d99471c /src/bigint/mulop_ia32 | |
| parent | 7c0319368d1948d54db514e5f72c589a397e2909 (diff) | |
Reorg BigInt asm modules
Diffstat (limited to 'src/bigint/mulop_ia32')
| -rw-r--r-- | src/bigint/mulop_ia32/mp_mulop.S | 62 | ||||
| -rw-r--r-- | src/bigint/mulop_ia32/xxxinfo.txt | 43 |
2 files changed, 105 insertions, 0 deletions
diff --git a/src/bigint/mulop_ia32/mp_mulop.S b/src/bigint/mulop_ia32/mp_mulop.S new file mode 100644 index 000000000..a5f0d3b27 --- /dev/null +++ b/src/bigint/mulop_ia32/mp_mulop.S @@ -0,0 +1,62 @@ +/************************************************* +* Multiply/Add Algorithm Source File * +* (C) 1999-2007 Jack Lloyd * +*************************************************/ + +#include <botan/asm_macr.h> + +START_LISTING(mp_muladd.S) + +START_FUNCTION(bigint_mul_add_words) + SPILL_REGS() +#define PUSHED 4 + +#define LOOP_CTR ESI + ASSIGN(LOOP_CTR, ARG(3)) /* x_size */ + ZEROIZE(EDI) + + ASSIGN(ECX, ARG(1)) /* z[] */ + ASSIGN(EBX, ARG(2)) /* x[] */ + ASSIGN(EBP, ARG(4)) /* y */ + +#define MULADD_OP(N) \ + ASSIGN(EAX, ARRAY4(EBX, N)) ; \ + MUL(EBP) ; \ + ADD_W_CARRY(EAX, EDX, EDI) ; \ + ASSIGN(EDI, EDX) ; \ + ADD_W_CARRY(ARRAY4(ECX, N), EDI, EAX) ; + + JUMP_IF_ZERO(LOOP_CTR, .MUL_ADD_DONE) + JUMP_IF_LT(LOOP_CTR, 8, .MULADD1_LOOP) + +START_LOOP(.MULADD8) + MULADD_OP(0) + MULADD_OP(1) + MULADD_OP(2) + MULADD_OP(3) + MULADD_OP(4) + MULADD_OP(5) + MULADD_OP(6) + MULADD_OP(7) + + SUB_IMM(LOOP_CTR, 8) + ADD_IMM(EBX, 32) + ADD_IMM(ECX, 32) +LOOP_UNTIL_LT(LOOP_CTR, 8, .MULADD8) + + JUMP_IF_ZERO(LOOP_CTR, .MUL_ADD_DONE) + +START_LOOP(.MULADD1) + MULADD_OP(0) + + SUB_IMM(LOOP_CTR, 1) + ADD_IMM(EBX, 4) + ADD_IMM(ECX, 4) +LOOP_UNTIL_EQ(LOOP_CTR, 0, .MULADD1) + +.MUL_ADD_DONE: + + ASSIGN(EAX, EDI) +#undef PUSHED + RESTORE_REGS() +END_FUNCTION(bigint_mul_add_words) diff --git a/src/bigint/mulop_ia32/xxxinfo.txt b/src/bigint/mulop_ia32/xxxinfo.txt new file mode 100644 index 000000000..12c8cd96d --- /dev/null +++ b/src/bigint/mulop_ia32/xxxinfo.txt @@ -0,0 +1,43 @@ +realname "x86 Assembler" + +#mp_bits 32 + +load_on asm_ok + +<replace> +md4.cpp +md5.cpp +sha160.cpp +serpent.cpp +</replace> + +<ignore> +#mp_mulop.cpp +</ignore> + +<add> +asm_macr.h +md4core.S +md5core.S +sha1_asm.S +serp_asm.S +#mp_mulop.S +</add> + +<arch> +ia32 +</arch> + +<cc> +gcc +icc +</cc> + +# ELF systems +<os> +linux +freebsd +netbsd +openbsd +solaris +</os> |