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Copy pathMult-With-Specialization.power.c
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Mult-With-Specialization.power.c
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/* Begin Header autogenerated part */
#include "h2-power-power.h"
#define power_G32(INSN){ *(h2_asm_pc++) = (INSN);}
void P1_BLR__I_32(void){ /* ret */
#ifdef H2_DEBUG
printf("%p : P1_BLR__I_32\n", h2_asm_pc);
#endif
power_G32(((0x4e800020 >> 0) & 0xffffffff)); \
}
void P1_MULLW_RRR_I_32(int r0, int r1, int r2){ /* mul */
#ifdef H2_DEBUG
printf("%p : P1_MULLW_RRR_I_32\n", h2_asm_pc);
#endif
power_G32(((0x1f & 0x3f) << 26)|((r0 & 0x1f) << 21)|((r1 & 0x1f) << 16)|((r2 & 0x1f) << 11)|((0x1d6 & 0x7ff) >> 0)); \
}
void P1_MULLI_RRI_I_64(int r0, int r1, int i0){ /* mul */
#ifdef H2_DEBUG
printf("%p : P1_MULLI_RRI_I_64\n", h2_asm_pc);
#endif
power_G32(((0x7 & 0x3f) << 26)|((r0 & 0x1f) << 21)|((r1 & 0x1f) << 16)|((i0 & 0xffff) >> 0)); \
}
void P1_LI_RI_I_32(int r0, int i0){ /* mv */
#ifdef H2_DEBUG
printf("%p : P1_LI_RI_I_32\n", h2_asm_pc);
#endif
power_G32(((0xe & 0x3f) << 26)|((r0 & 0x1f) << 21)|((0x0 & 0x1f) << 16)|((i0 & 0xffff) >> 0)); \
}
void P1_MV_RR_I_32(int r0, int r1){ /* mv */
#ifdef H2_DEBUG
printf("%p : P1_MV_RR_I_32\n", h2_asm_pc);
#endif
power_G32(((0xe & 0x3f) << 26)|((r0 & 0x1f) << 21)|((r1 & 0x1f) << 16)|((0x0 & 0xffff) >> 0)); \
}
void power_genRET_0()
{
P1_BLR__I_32();
}
void power_genMUL_3(h2_sValue_t P0, h2_sValue_t P1, h2_sValue_t P2)
{
if ((P0.arith == 'i') && (P0.wLen <= 32) && (P0.vLen == 1) && P0.ValOrReg == REGISTER && P1.ValOrReg == REGISTER && P2.ValOrReg == REGISTER)
{
P1_MULLW_RRR_I_32(P0.regNro, P1.regNro, P2.regNro);
}
else if ((P0.arith == 'i') && (P0.wLen <= 64) && (P0.vLen == 1) && P0.ValOrReg == REGISTER && P1.ValOrReg == REGISTER && P2.ValOrReg == VALUE)
{
P1_MULLI_RRI_I_64(P0.regNro, P1.regNro, P2.valueImm);
}
else
{
printf("Warning, generation of MUL is not possible with this arguments P0: %c, %i, %i, P0: %i , P1: %i , P2: %i \n", P0.arith, P0.wLen, P0.vLen, P0.ValOrReg ,P1.ValOrReg ,P2.ValOrReg);
h2_codeGenerationOK = 0;
}
}
void power_genMV_2(h2_sValue_t P0, h2_sValue_t P1)
{
if ((P0.arith == 'i') && (P0.wLen <= 32) && (P0.vLen == 1) && P0.ValOrReg == REGISTER && P1.ValOrReg == VALUE)
{
P1_LI_RI_I_32(P0.regNro, P1.valueImm);
}
else if ((P0.arith == 'i') && (P0.wLen <= 32) && (P0.vLen == 1) && P0.ValOrReg == REGISTER && P1.ValOrReg == REGISTER)
{
P1_MV_RR_I_32(P0.regNro, P1.regNro);
}
else
{
printf("Warning, generation of MV is not possible with this arguments P0: %c, %i, %i, P0: %i , P1: %i \n", P0.arith, P0.wLen, P0.vLen, P0.ValOrReg ,P1.ValOrReg);
h2_codeGenerationOK = 0;
}
}
/* End Header autogenerated part */
// -*- c -*-
#include <stdio.h>
#include <stdlib.h>
typedef int (*pifi)(int);
h2_insn_t * genMult(h2_insn_t * ptr, int b)
{
/* Code Generation of 3 instructions */
/* Symbol table :*/
/*VarName = { ValOrLen, arith, vectorLen, wordLen, regNo, Value} */
h2_sValue_t a = {REGISTER, 'i', 1, 32, 3, 0};
h2_sValue_t h2_outputVarName = {REGISTER, 'i', 1, 32, 3, 0};
h2_sValue_t r = {REGISTER, 'i', 1, 32, 14, 0};
h2_sValue_t h2_00000000 = {REGISTER, 'i', 1, 32, 15, 0};
/* Label table :*/
#define power_genLABEL(LABEL_ID) labelAddresses[LABEL_ID] = h2_asm_pc;
h2_insn_t * labelAddresses []={
};
h2_asm_pc = (h2_insn_t *) ptr;
h2_codeGenerationOK = 1;
power_genMV_2(h2_00000000, (h2_sValue_t) {VALUE, 'i', 1, 32, 0, (b)});
power_genMUL_3(h2_00000000, h2_00000000, a);
power_genMV_2(r, h2_00000000);
power_genMV_2(h2_outputVarName, r);
power_genRET_0();
/* Call back code for loops */
h2_save_asm_pc = h2_asm_pc;
h2_asm_pc = h2_save_asm_pc;
iflush(ptr, h2_asm_pc);
return (h2_insn_t *) ptr;
}
int main(int argc, char * argv[])
{
h2_insn_t * ptr;
int in0, in1, res;
pifi fPtr;
if (argc < 3)
{
printf("Give 2 values\n");
exit(-1);
}
in0 = atoi (argv[1]); // Get the users values in1 & in2
in1 = atoi (argv[2]);
ptr = h2_malloc (1024); // Allocate memory for 1024 instructions
printf("// Compilette for simple addition between 1 variable with\n");
printf("// code specialization on value = %d\n", in0);
fPtr = (pifi) genMult (ptr, in0); // Generate instructions
res = fPtr(in1); // Call generated code
printf("%d * %d = %d\n", in0, in1, res);
if (res == (in0 * in1))
return 0;
else
return -1;
}