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// Copyright Naoki Shibata and contributors 2010 - 2025.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include "funcproto.h"
int main(int argc, char **argv) {
if (argc < 4) {
fprintf(stderr, "\nUsage : %s <isa> <Mangled ISA> <Vector width>\n\n", argv[0]);
fprintf(stderr, "This program generates an include file defining masked functions.\n");
exit(-1);
}
//
const char *isaname = argv[1];
const char *mangledisa = argv[2];
const int vw = atoi(argv[3]);
int fptype = 0;
// Remove the "-" sign in the SP <Vector width> value
const char *cvw = (vw < 0) ? argv[3] + 1 : argv[3];
if (vw < 0) {
fptype = 1;
}
// VLA SVE does not set the vector length in the mangled names.
if (strcmp(isaname, "sve") == 0)
cvw = "x";
//
#define LEN0 16
#define LEN1 256
static char *vfpname[] = { "vdouble", "vfloat" };
static char *vintname[] = { "vint", "vint2" };
static int sizeoffp[] = { 8, 4 };
static char vparameterStr[7][LEN0] = { "v", "vv", "vl8l8", "vv", "v", "vvv", "vl8" };
static char *typeSpecS[] = { "", "f" };
static char funcname[4][LEN1];
snprintf(vparameterStr[2], LEN0, "vl%dl%d", sizeoffp[fptype], sizeoffp[fptype]);
snprintf(vparameterStr[6], LEN0, "vl%d", sizeoffp[fptype]);
//
for(int i=0;funcList[i].name != NULL;i++) {
if ((funcList[i].flags & 1) != 0) continue;
if (fptype == 0 && (funcList[i].flags & 2) != 0) continue;
if (funcList[i].ulp < 20) {
snprintf(funcname[0], LEN1, "_ZGV%sN%s%s_%s%s",
mangledisa, cvw, vparameterStr[funcList[i].funcType], funcList[i].name, typeSpecS[fptype]);
snprintf(funcname[1], LEN1, "_ZGV%sM%s%s_%s%s",
mangledisa, cvw, vparameterStr[funcList[i].funcType], funcList[i].name, typeSpecS[fptype]);
} else {
snprintf(funcname[0], LEN1, "_ZGV%sN%s%s_%s%s_u%d",
mangledisa, cvw, vparameterStr[funcList[i].funcType], funcList[i].name, typeSpecS[fptype], funcList[i].ulp);
snprintf(funcname[1], LEN1, "_ZGV%sM%s%s_%s%s_u%d",
mangledisa, cvw, vparameterStr[funcList[i].funcType], funcList[i].name, typeSpecS[fptype], funcList[i].ulp);
}
snprintf(funcname[2], LEN1, "_ZGV%sN%s%s___%s%s_finite",
mangledisa, cvw, vparameterStr[funcList[i].funcType], funcList[i].name, typeSpecS[fptype]);
snprintf(funcname[3], LEN1, "_ZGV%sM%s%s___%s%s_finite",
mangledisa, cvw, vparameterStr[funcList[i].funcType], funcList[i].name, typeSpecS[fptype]);
switch(funcList[i].funcType) {
case 0: {
printf("EXPORT CONST %s %s(%s a0, vopmask m) { return %s(a0); }\n",
vfpname[fptype], funcname[1], vfpname[fptype], funcname[0]);
if (funcList[i].ulp < 20)
printf("EXPORT CONST %s %s(%s, vopmask) __attribute__((weak, alias(\"%s\")));\n",
vfpname[fptype], funcname[3], vfpname[fptype], funcname[1]);
else
printf("EXPORT CONST %s %s_u%d(%s, vopmask) __attribute__((weak, alias(\"%s\")));\n",
vfpname[fptype], funcname[3],funcList[i].ulp, vfpname[fptype], funcname[1]);
break;
}
case 1: {
printf("EXPORT CONST %s %s(%s a0, %s a1, vopmask m) { return %s(a0, a1); }\n",
vfpname[fptype], funcname[1], vfpname[fptype], vfpname[fptype], funcname[0]);
if (funcList[i].ulp < 20)
printf("EXPORT CONST %s %s(%s, %s, vopmask) __attribute__((weak, alias(\"%s\")));\n",
vfpname[fptype], funcname[3], vfpname[fptype], vfpname[fptype], funcname[1]);
else
printf("EXPORT CONST %s %s_u%d(%s, %s, vopmask) __attribute__((weak, alias(\"%s\")));\n",
vfpname[fptype], funcname[3],funcList[i].ulp, vfpname[fptype], vfpname[fptype], funcname[1]);
break;
}
case 2:
if (sizeoffp[fptype] == sizeof(double)) {
printf("#ifndef ENABLE_SVE\n");
printf("EXPORT void %s(vdouble a0, double *a1, double *a2, vopmask m) {\n", funcname[1]);
printf(" double s[VECTLENDP], c[VECTLENDP];\n");
printf(" int32_t mbuf[VECTLENSP];\n");
printf(" %s(a0, s, c);\n", funcname[0]);
printf(" vstoreu_v_p_vi2(mbuf, vcast_vi2_vm(vand_vm_vo64_vm(m, vcast_vm_i_i(-1, -1))));\n");
printf(" for(int i=0;i<VECTLENDP;i++) {\n");
printf(" if (mbuf[i*2]) { *a1++ = s[i]; *a2++ = c[i]; }\n");
printf(" }\n");
printf("}\n");
printf("#else /* ENABLE_SVE */\n");
const char * function = "EXPORT void %s(vdouble a0, double *a1, double *a2, vopmask m) { "
" return %s(a0, a1, a2); "
"}\n";
printf(function, funcname[1], funcname[0]);
printf("#endif/* ENABLE_SVE */\n");
} else if (sizeoffp[fptype] == sizeof(float)) {
printf("#ifndef ENABLE_SVE\n");
printf("EXPORT void %s(vfloat a0, float *a1, float *a2, vopmask m) {\n", funcname[1]);
printf(" float s[VECTLENSP], c[VECTLENSP];\n");
printf(" int32_t mbuf[VECTLENSP];\n");
printf(" %s(a0, s, c);\n", funcname[0]);
printf(" vstoreu_v_p_vi2(mbuf, vcast_vi2_vm(vand_vm_vo32_vm(m, vcast_vm_i_i(-1, -1))));\n");
printf(" for(int i=0;i<VECTLENSP;i++) {\n");
printf(" if (mbuf[i]) { *a1++ = s[i]; *a2++ = c[i]; }\n");
printf(" }\n");
printf("}\n");
printf("#else /* ENABLE_SVE */\n");
const char * function = "EXPORT void %s(vfloat a0, float *a1, float *a2, vopmask m) { "
" return %s(a0, a1, a2); "
"}\n";
printf(function, funcname[1], funcname[0]);
printf("#endif/* ENABLE_SVE */\n");
} else {
assert(0 && "Invalid size of FP data");
}
break;
case 3:
printf("EXPORT CONST %s %s(%s a0, %s a1, vopmask m) { return %s(a0, a1); }\n",
vfpname[fptype], funcname[1], vfpname[fptype], vintname[fptype], funcname[0]);
break;
case 4:
printf("EXPORT CONST %s %s(%s a0, vopmask m) { return %s(a0); }\n",
vintname[fptype], funcname[1], vfpname[fptype], funcname[0]);
break;
case 5:
printf("EXPORT CONST %s %s(%s a0, %s a1, %s a2, vopmask m) { return %s(a0, a1, a2); }\n",
vfpname[fptype], funcname[1], vfpname[fptype], vfpname[fptype], vfpname[fptype],
funcname[0]);
break;
case 6: {
char *ptr_type = NULL;
if (sizeoffp[fptype] == sizeof(double))
ptr_type = "double *";
if (sizeoffp[fptype] == sizeof(float))
ptr_type = "float *";
printf("EXPORT CONST %s %s(%s a0, %s a1, vopmask m) { return %s(a0, a1); }\n",
vfpname[fptype], funcname[1], vfpname[fptype], ptr_type, funcname[0]);
if (funcList[i].ulp < 20)
printf("EXPORT CONST %s %s(%s, %s, vopmask) __attribute__((weak, alias(\"%s\")));\n",
vfpname[fptype], funcname[3], vfpname[fptype], ptr_type, funcname[1]);
else
printf("EXPORT CONST %s %s_u%d(%s, %s, vopmask) __attribute__((weak, alias(\"%s\")));\n",
vfpname[fptype], funcname[3],funcList[i].ulp, vfpname[fptype], ptr_type, funcname[1]);
}
break;
}
}
exit(0);
}
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