Initial x86-64 assembly code for the inner multiply-add loop.

1 files changed, 81 insertions, 0 deletions

diff --git a/modules/alg_amd64/asm_macr.h b/modules/alg_amd64/asm_macr.h
new file mode 100644
index 000000000..689bfa3cb
--- /dev/null
+++ b/modules/alg_amd64/asm_macr.h
@@ -0,0 +1,81 @@
+/*************************************************
+* Assembly Macros Header File                    *
+* (C) 1999-2006 The Botan Project                *
+*************************************************/
+
+#ifndef BOTAN_EXT_ASM_MACROS_H__
+#define BOTAN_EXT_ASM_MACROS_H__
+
+/*************************************************
+* General/Global Macros                          *
+*************************************************/
+#define ALIGN .p2align 4,,15
+
+#define START_LISTING(FILENAME) \
+   .file #FILENAME;             \
+   .text;                       \
+   ALIGN;
+
+/*************************************************
+* Function Definitions                           *
+*************************************************/
+#define START_FUNCTION(func_name) \
+   ALIGN;                         \
+   .global  func_name;            \
+   .type    func_name,@function;  \
+func_name:
+
+#define END_FUNCTION(func_name) \
+   ret
+
+/*************************************************
+* Loop Control                                   *
+*************************************************/
+#define START_LOOP(LABEL) \
+   ALIGN;                 \
+   LABEL##_LOOP:
+
+#define LOOP_UNTIL_EQ(REG, NUM, LABEL) \
+   cmp IMM(NUM), REG;                  \
+   jne LABEL##_LOOP
+
+#define LOOP_UNTIL_LT(REG, NUM, LABEL) \
+   cmp IMM(NUM), REG;                  \
+   jge LABEL##_LOOP
+
+/*************************************************
+ Conditional Jumps                              *
+*************************************************/
+#define JUMP_IF_ZERO(REG, LABEL) \
+   cmp IMM(0), REG;              \
+   jz LABEL
+
+#define JUMP_IF_LT(REG, NUM, LABEL) \
+   cmp IMM(NUM), REG;               \
+   jl LABEL
+
+/*************************************************
+* Memory Access Operations                       *
+*************************************************/
+#define ARRAY8(REG, NUM) 8*(NUM)(REG)
+
+#define ASSIGN(TO, FROM) mov FROM, TO
+
+/*************************************************
+* ALU Operations                                 *
+*************************************************/
+#define IMM(VAL) $VAL
+
+#define ADD(TO, FROM) addq FROM, TO
+#define ADD_IMM(TO, NUM) ADD(TO, IMM(NUM))
+#define ADD_W_CARRY(TO1, TO2, FROM) addq FROM, TO1; adcq IMM(0), TO2;
+#define SUB_IMM(TO, NUM) sub IMM(NUM), TO
+#define MUL(REG) mulq REG
+
+#define XOR(TO, FROM) xorq FROM, TO
+#define AND(TO, FROM) andq FROM, TO
+#define OR(TO, FROM) orq FROM, TO
+#define NOT(REG) notq REG
+#define ZEROIZE(REG) XOR(REG, REG)
+
+#endif