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KGC_TEST/KGCAPP/3rdparty/miracl/source/gccppc.mcs

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;
; powerPC Macros file for GCC compiler
;
; Triple register is R20|R19|R18
; MUL_START. Initialise registers. Make R21 and R22 point to multipliers a
; and b. R23 points at result c.
; Initialise Triple register to 0
; See makemcs.txt for more information about this file
;
MACRO PMUL_START
ASM (
"mr %%%%r21,%%0\n"
"mr %%%%r22,%%1\n"
"mr %%%%r23,%%2\n"
"mr %%%%r18,%%3\n"
"xor %%%%r19,%%%%r19,%%%%r19\n"
"xor %%%%r20,%%%%r20,%%%%r20\n"
ENDM
MACRO PMUL
"ld %%%%r16,8*%d(%%%%r21)\n"
"mulld %%%%r24,%%%%r16,%%%%r18\n"
"mulhdu %%%%r25,%%%%r16,%%%%r18\n"
"addc %%%%r24,%%%%r19,%%%%r24\n"
"addze %%%%r19,%%%%r25\n"
"std %%%%r20,8*%d(%%%%r22)\n"
"std %%%%r24,8*%d(%%%%r23)\n"
ENDM
MACRO PMUL_END
"mulld %%%%r24,%%%%r18,%%%%r19\n"
"mulhdu %%%%r25,%%%%r18,%%%%r19\n"
"std %%%%r24,0(%%%%r22)\n"
"std %%%%r25,8(%%%%r22)\n"
:
:"r"(a),"r"(b),"r"(c),"r"(sn)
:"r18","r19","r20","r21","r22","r23","r24","r25","memory"
);
ENDM
MACRO MUL_START
ASM (
"mr %%%%r21,%%0\n"
"mr %%%%r22,%%1\n"
"mr %%%%r23,%%2\n"
"xor %%%%r18,%%%%r18,%%%%r18\n"
"xor %%%%r19,%%%%r19,%%%%r19\n"
"xor %%%%r20,%%%%r20,%%%%r20\n"
ENDM
;
; STEP macro. Calculates a double-register partial product
; and adds it to the triple register total
; Parameters 1 & 2: Indices i and j for partial product multipliers a[i]
; and b[j]
MACRO STEP
"ld %%%%r16,8*%d(%%%%r21)\n"
"ld %%%%r17,8*%d(%%%%r22)\n"
"mulld %%%%r24,%%%%r16,%%%%r17\n"
"mulhdu %%%%r25,%%%%r16,%%%%r17\n"
"addc %%%%r18,%%%%r18,%%%%r24\n"
"adde %%%%r19,%%%%r19,%%%%r25\n"
"addze %%%%r20,%%%%r20\n"
ENDM
;
; MFIN macro. Finish column calculation. Store Sum for this column
; and get Carry for next
; Parameter 1: Index k for Column Sum c[k]
MACRO MFIN
"std %%%%r18,8*%d(%%%%r23)\n"
"mr %%%%r18,%%%%r19\n"
"mr %%%%r19,%%%%r20\n"
"xor %%%%r20,%%%%r20,%%%%r20\n"
ENDM
;
; LAST
;
MACRO LAST
"ld %%%%r16,8*%d(%%%%r21)\n"
"ld %%%%r17,8*%d(%%%%r22)\n"
"mulld %%%%r24,%%%%r16,%%%%r17\n"
"add %%%%r18,%%%%r24,%%%%r18\n"
ENDM
;
; MUL_END
; Parameter 1: Index for final carry c[.]
MACRO MUL_END
"std %%%%r18,8*%d(%%%%r23)\n"
:
:"r"(a),"r"(b),"r"(c)
:"r16","r17","r18","r19","r20","r21","r22","r23","r24","r25","memory"
);
ENDM
;
; SQR_START
;
MACRO SQR_START
ASM (
"mr %%%%r21,%%0\n"
"mr %%%%r23,%%1\n"
"xor %%%%r18,%%%%r18,%%%%r18\n"
"xor %%%%r19,%%%%r19,%%%%r19\n"
"xor %%%%r20,%%%%r20,%%%%r20\n"
ENDM
;
; DSTEP macro. Calculates a double-register partial product
; and add it twice to a triple register total
; Parameters 1 & 2 : Indices of partial product multipliers
MACRO DSTEP
"ld %%%%r16,8*%d(%%%%r21)\n"
"ld %%%%r17,8*%d(%%%%r21)\n"
"mulld %%%%r24,%%%%r16,%%%%r17\n"
"mulhdu %%%%r25,%%%%r16,%%%%r17\n"
"addc %%%%r18,%%%%r18,%%%%r24\n"
"adde %%%%r19,%%%%r19,%%%%r25\n"
"addze %%%%r20,%%%%r20\n"
"addc %%%%r18,%%%%r18,%%%%r24\n"
"adde %%%%r19,%%%%r19,%%%%r25\n"
"addze %%%%r20,%%%%r20\n"
ENDM
;
; SELF macro. Calculate the double-register square and
; add it to a triple register total
; Parameter 1 : Index of diagonal element
MACRO SELF
"ld %%%%r16,8*%d(%%%%r21)\n"
"mulld %%%%r24,%%%%r16,%%%%r16\n"
"mulhdu %%%%r25,%%%%r16,%%%%r16\n"
"addc %%%%r18,%%%%r18,%%%%r24\n"
"adde %%%%r19,%%%%r19,%%%%r25\n"
"addze %%%%r20,%%%%r20\n"
ENDM
;
; SFIN macro. Finish column calculation for squaring. Store Sum
; and get Carry for next column.
; Parameter 1: Index of Column Sum
MACRO SFIN
"std %%%%r18,8*%d(%%%%r23)\n"
"mr %%%%r18,%%%%r19\n"
"mr %%%%r19,%%%%r20\n"
"xor %%%%r20,%%%%r20,%%%%r20\n"
ENDM
;
; SQR_END
; Parameter 1: Index for final carry
MACRO SQR_END
"std %%%%r18,8*%d(%%%%r23)\n"
:
:"r"(a),"r"(c)
:"r16","r17","r18","r19","r20","r21","r22","r23","r24","r25","memory"
);
ENDM
;
; REDC_START macro
;
MACRO REDC_START
ASM (
"mr %%%%r21,%%0\n"
"mr %%%%r22,%%1\n"
"mr %%%%r23,%%2\n"
"xor %%%%r20,%%%%r20,%%%%r20\n"
"xor %%%%r19,%%%%r19,%%%%r19\n"
"ld %%%%r18,0(%%%%r21)\n"
ENDM
;
; RFINU macro
;
MACRO RFINU
"mulld %%%%r17,%%%%r23,%%%%r18\n"
"std %%%%r17,8*%d(%%%%r21)\n"
"ld %%%%r16,0(%%%%r22)\n"
"mulld %%%%r24,%%%%r16,%%%%r17\n"
"mulhdu %%%%r25,%%%%r16,%%%%r17\n"
"addc %%%%r16,%%%%r18,%%%%r24\n"
"adde %%%%r18,%%%%r19,%%%%r25\n"
"addze %%%%r19,%%%%r20\n"
"ld %%%%r16,8*(%d+1)(%%%%r21)\n"
"addc %%%%r18,%%%%r18,%%%%r16\n"
"addze %%%%r19,%%%%r19\n"
"xor %%%%r20,%%%%r20,%%%%r20\n"
ENDM
;
; RFIND macro
;
MACRO RFIND
"std %%%%r18,8*%d(%%%%r21)\n"
"ld %%%%r16,8*(%d+1)(%%%%r21)\n"
"addc %%%%r18,%%%%r19,%%%%r16\n"
"addze %%%%r19,%%%%r20\n"
"xor %%%%r20,%%%%r20,%%%%r20\n"
ENDM
;
; REDC_END
;
MACRO REDC_END
"std %%%%r18,8*%d(%%%%r21)\n"
"std %%%%r19,8*(%d+1)(%%%%r21)\n"
:
:"r"(a),"r"(b),"r"(ndash)
:"r16","r17","r18","r19","r20","r21","r22","r23","r24","r25","memory"
);
ENDM
;
; ADD_START macro - initialise for add/subtract, do first one
;
MACRO ADD_START
ASM (
"mr %%%%r22,%%1\n"
"mr %%%%r23,%%2\n"
"mr %%%%r24,%%3\n"
"ld %%%%r16,0(%%%%r22)\n"
"ld %%%%r17,0(%%%%r23)\n"
"addc %%%%r16,%%%%r16,%%%%r17\n"
"std %%%%r16,0(%%%%r24)\n"
ENDM
;
; ADD macro. Add two numbers from memory and store result in memory.
; Don't forget carry bit
;
MACRO ADD
"ld %%%%r16,8*%d(%%%%r22)\n"
"ld %%%%r17,8*%d(%%%%r23)\n"
"adde %%%%r16,%%%%r16,%%%%r17\n"
"std %%%%r16,8*%d(%%%%r24)\n"
ENDM
;
; ADD_END macro. Catch carry
;
MACRO ADD_END
"xor %%%%r16,%%%%r16,%%%%r16\n"
"addze %%%%r16,%%%%r16\n"
"mr %%0,%%%%r16\n"
:"=r"(carry)
:"r"(a),"r"(b),"r"(c)
:"r16","r17","r22","r23","r24","memory"
);
ENDM
;
; INC_START macro. Do first one
;
MACRO INC_START
ASM (
"mr %%%%r22,%%1\n"
"mr %%%%r23,%%2\n"
"ld %%%%r16,0(%%%%r22)\n"
"ld %%%%r17,0(%%%%r23)\n"
"addc %%%%r16,%%%%r16,%%%%r17\n"
"std %%%%r16,0(%%%%r22)\n"
ENDM
;
; INC macro. Add two numbers from memory and store result in memory.
; Don't forget carry bit
;
MACRO INC
"ld %%%%r16,8*%d(%%%%r22)\n"
"ld %%%%r17,8*%d(%%%%r23)\n"
"adde %%%%r16,%%%%r16,%%%%r17\n"
"std %%%%r16,8*%d(%%%%r22)\n"
ENDM
;
; INC_END macro. Catch carry
;
MACRO INC_END
"xor %%%%r16,%%%%r16,%%%%r16\n"
"addze %%%%r16,%%%%r16\n"
"mr %%0,%%%%r16\n"
:"=r"(carry)
:"r"(a),"r"(b)
:"r16","r17","r22","r23","memory"
);
ENDM
;
; SUB_START macro
;
MACRO SUB_START
ASM (
"mr %%%%r22,%%1\n"
"mr %%%%r23,%%2\n"
"mr %%%%r24,%%3\n"
"ld %%%%r16,0(%%%%r22)\n"
"ld %%%%r17,0(%%%%r23)\n"
"subfc %%%%r16,%%%%r17,%%%%r16\n"
"std %%%%r16,0(%%%%r24)\n"
ENDM
;
; SUB macro. Subtract two numbers in memory and store result in memory.
;
MACRO SUB
"ld %%%%r16,8*%d(%%%%r22)\n"
"ld %%%%r17,8*%d(%%%%r23)\n"
"subfe %%%%r16,%%%%r17,%%%%r16\n"
"std %%%%r16,8*%d(%%%%r24)\n"
ENDM
;
; SUB_END macro. Catch carry
;
MACRO SUB_END
"xor %%%%r16,%%%%r16,%%%%r16\n"
"addze %%%%r16,%%%%r16\n"
"subfic %%%%r17,%%%%r16,1\n"
"mr %%0,%%%%r17\n"
:"=r"(carry)
:"r"(a),"r"(b),"r"(c)
:"r16","r17","r22","r23","r24","memory"
);
ENDM
;
; DEC_START macro
;
MACRO DEC_START
ASM (
"mr %%%%r22,%%1\n"
"mr %%%%r23,%%2\n"
"ld %%%%r16,0(%%%%r22)\n"
"ld %%%%r17,0(%%%%r23)\n"
"subfc %%%%r16,%%%%r17,%%%%r16\n"
"std %%%%r16,0(%%%%r22)\n"
ENDM
;
; DEC macro. Subtract two numbers in memory and store result in memory.
;
MACRO DEC
"ld %%%%r16,8*%d(%%%%r22)\n"
"ld %%%%r17,8*%d(%%%%r23)\n"
"subfe %%%%r16,%%%%r17,%%%%r16\n"
"std %%%%r16,8*%d(%%%%r22)\n"
ENDM
;
; DEC_END macro. Catch carry
;
MACRO DEC_END
"xor %%%%r16,%%%%r16,%%%%r16\n"
"addze %%%%r16,%%%%r16\n"
"subfic %%%%r17,%%%%r16,1\n"
"mr %%0,%%%%r17\n"
:"=r"(carry)
:"r"(a),"r"(b)
:"r16","r17","r22","r23","memory"
);
ENDM
;
; KADD_START macro. Zero Carry flag
;
MACRO KADD_START
ASM (
"mr %%%%r22,%%1\n"
"mr %%%%r23,%%2\n"
"mr %%%%r24,%%3\n"
"mtctr %%4\n"
"xor %%%%r16,%%%%r16,%%%%r16\n"
"addc %%%%r16,%%%%r16,%%%%r16\n"
"k%d:\n"
ENDM
;
; KASL macro. Important that carry flag is undisturbed!
;
MACRO KASL
"bdz k%d\n"
"addi %%%%r22,%%%%r22,8*%d\n"
"addi %%%%r23,%%%%r23,8*%d\n"
"addi %%%%r24,%%%%r24,8*%d\n"
"b k%d\n"
"k%d:\n"
ENDM
;
; KADD_END macro
;
MACRO KADD_END
"xor %%%%r16,%%%%r16,%%%%r16\n"
"addze %%%%r16,%%%%r16\n"
"mr %%0,%%%%r16\n"
:"=r"(carry)
:"r"(a),"r"(b),"r"(c),"r"(n)
:"r16","r17","r18","r19","r20","r21","r22","r23","r24","r25","memory"
);
ENDM
;
; KINC_START macro. Set carry to Zero
;
MACRO KINC_START
ASM (
"mr %%%%r22,%%1\n"
"mr %%%%r23,%%2\n"
"mtctr %%3\n"
"xor %%%%r16,%%%%r16,%%%%r16\n"
"addc %%%%r16,%%%%r16,%%%%r16\n"
"k%d:\n"
ENDM
;
; KIDL macro. Important that carry flag is undisturbed!
;
MACRO KIDL
"bdz k%d\n"
"addi %%%%r22,%%%%r22,8*%d\n"
"addi %%%%r23,%%%%r23,8*%d\n"
"b k%d\n"
"k%d: \n"
ENDM
;
; KINC_END macro
;
MACRO KINC_END
"xor %%%%r16,%%%%r16,%%%%r16\n"
"addze %%%%r16,%%%%r16\n"
"mr %%0,%%%%r16\n"
:"=r"(carry)
:"r"(a),"r"(b),"r"(n)
:"r16","r17","r18","r19","r20","r21","r22","r23","r24","r25","memory"
);
ENDM
;
; KDEC_START macro. Set carry
;
MACRO KDEC_START
ASM (
"mr %%%%r22,%%1\n"
"mr %%%%r23,%%2\n"
"mtctr %%3\n"
"subfc %%%%r16,%%%%r16,%%%%r16\n"
"k%d:\n"
ENDM
;
; KDEC_END macro
;
MACRO KDEC_END
"xor %%%%r16,%%%%r16,%%%%r16\n"
"addze %%%%r16,%%%%r16\n"
"subfic %%%%r17,%%%%r16,1\n"
"mr %%0,%%%%r17\n"
:"=r"(carry)
:"r"(a),"r"(b),"r"(n)
:"r16","r17","r18","r19","r20","r21","r22","r23","r24","r25","memory"
);
ENDM
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