(int)l&0xFFFF,(int)(l>>16)&0xFFFF);
}
-#ifdef NOFLOAT
-con_float() {
-
-static int been_here;
- if (argval != 4 && argval != 8)
- fatal("bad fcon size");
- fputs(".data4\t", codefile);
- if (argval == 8)
- fputs("0,", codefile);
- fputs("0 !dummy float\n", codefile);
- if ( !been_here++)
- {
- fputs("Warning : dummy float-constant(s)\n", stderr);
- }
-}
-#else
-#define IEEEFLOAT
-
-con_float() {
- double f;
- double atof();
- int i;
- int j;
- double frexp();
-#ifndef OWNFLOAT
- int sign = 0;
- int fraction[4] ;
-#else OWNFLOAT
- float fl;
- char *p;
-#endif OWNFLOAT
-
- if (argval!= 4 && argval!= 8) {
- fprintf(stderr,"float constant size = %d\n",argval);
- fatal("bad fcon size");
- }
- fprintf(codefile,"!float %s sz %d\n", str, argval);
- f = atof(str);
- if (f == 0) {
- if (argval == 8) fprintf(codefile, ".data2 0, 0\n");
- fprintf(codefile, ".data2 0, 0\n");
- return;
- }
-#ifdef OWNFLOAT
- if (argval == 4) {
- /* careful: avoid overflow */
- double ldexp();
- f = frexp(f, &i);
- fl = f;
- fl = frexp(fl,&j);
- if (i+j > 127) {
- /* overflow situation */
- fprintf(codefile, ".data1 0%o, 0377, 0377, 0377 ! overflow\n",
- f < 0 ? 0377 : 0177);
- return;
- }
- if (i+j < -127) {
- /* underflow situation */
- fprintf(codefile, ".data1 0%o, 0200, 0, 0 ! underflow\n",
- f < 0 ? 0200 : 0);
- return;
- }
- fl = ldexp(fl, i+j);
- p = (char *) &fl;
- }
- else {
- p = (char *) &f;
- }
- fprintf(codefile, ".data1 0%o", *p++ & 0377);
- for (i = argval-1; i; i--) {
- fprintf(codefile,",0%o", *p++ & 0377);
- }
-#else OWNFLOAT
- f = frexp(f, &i);
- if (f < 0) {
- f = -f;
- sign = 1;
- }
- while (f < 0.5) {
- f += f;
- i --;
- }
- f = 2*f - 1.0; /* hidden bit */
-#ifdef IEEEFLOAT
- if (argval == 4) {
-#endif IEEEFLOAT
- i = (i + 128) & 0377;
- fraction[0] = (sign << 15) | (i << 7);
- for (j = 6; j>= 0; j--) {
- f *= 2;
- if (f >= 1.0) {
- f -= 1.0;
- fraction[0] |= (1 << j);
- }
- }
-#ifdef IEEEFLOAT
- }
- else {
- i = (i + 1024) & 03777;
- fraction[0] = (sign << 15) | (i << 4);
- for (j = 3; j>= 0; j--) {
- f *= 2;
- if (f >= 1.0) {
- fraction[0] |= (1 << j);
- f -= 1.0;
- }
- }
- }
-#endif IEEEFLOAT
- for (i = 1; i < argval / 2; i++) {
- fraction[i] = 0;
- for (j = 15; j>= 0; j--) {
- f *= 2;
- if (f >= 1.0) {
- fraction[i] |= (1 << j);
- f -= 1.0;
- }
- }
- }
- if (f >= 0.5) {
- for (i = argval/2 - 1; i >= 0; i--) {
- for (j = 0; j < 16; j++) {
- if (fraction[i] & (1 << j)) {
- fraction[i] &= ~(1 << j);
- }
- else {
- fraction[i] |= (1 << j);
- break;
- }
- }
- if (j != 16) break;
- }
- }
- for (i = 0; i < argval/2; i++) {
- fprintf(codefile,
- i != 0 ? ", 0%o, 0%o" : ".data1 0%o, 0%o",
- (fraction[i]>>8)&0377,
- fraction[i]&0377);
- }
-#endif OWNFLOAT
- putc('\n', codefile);
-}
-#endif
+#define CODE_GENERATOR
+#define IEEEFLOAT
+#include <con_float>
/*
pat dvf $1==8 leaving cal ".dvf8" asp 8
pat ngf $1==4 leaving cal ".ngf4"
pat ngf $1==8 leaving cal ".ngf8"
-pat fif $1==4 leaving cal ".fif4"
-pat fif $1==8 leaving cal ".fif8"
-pat fef $1==4
-with REG REG
- kills ALL
- gen push %2
- push %2
- push %1 leaving cal ".fef4"
-pat fef $1==8
-with REG REG REG REG
- kills ALL
- gen push %4
- push %4
- push %3
- push %2
- push %1 leaving cal ".fef8"
+pat fif $1==4 leaving lor 1 cal ".fif4" asp 2
+pat fif $1==8 leaving lor 1 cal ".fif8" asp 2
+pat fef $1==4 leaving lor 1 adp 0-2 cal ".fef4"
+pat fef $1==8 leaving lor 1 adp 0-2 cal ".fef8"
/******************************************************************
* Group 6: Pointer Arithmetic *