From 4759f1c9f9701251c43e4cf3a17b262ff1b1f57d Mon Sep 17 00:00:00 2001 From: ceriel Date: Mon, 31 Jul 1989 11:22:43 +0000 Subject: [PATCH] use con_float file --- mach/i386/ce/mach.c | 143 +------------------------------------------- mach/i86/ce/mach.c | 143 +------------------------------------------- 2 files changed, 2 insertions(+), 284 deletions(-) diff --git a/mach/i386/ce/mach.c b/mach/i386/ce/mach.c index f9320317f..0cec6a8cd 100644 --- a/mach/i386/ce/mach.c +++ b/mach/i386/ce/mach.c @@ -20,148 +20,7 @@ int val; return( val >= -128 && val <= 127); } -con_float(str, argval) - char *str; - int argval; -{ -#ifdef NOFLOAT - -static int been_here; - if (argval != 4 && argval != 8) - arg_error("fcon", argval); - if (argval == 8) - gen4((FOUR_BYTES) 0); - gen4((FOUR_BYTES) 0); - if ( !been_here++) - { - fprint(STDERR, "Warning : dummy float-constant(s)\n"); - } -#else -#define IEEEFLOAT - 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) { - arg_error("fcon", argval); - argval = 8; - } - f = atof(str); - if (f == 0) { - if (argval == 8) gen4((FOUR_BYTES) 0); - gen4((FOUR_BYTES) 0); - 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 */ - gen1(f<0?0377:0177); - gen1(0377); - gen1(0377); - gen1(0377); - return; - } - if (i+j < -127) { - /* underflow situation */ - gen1(f<0?0200:0); - gen1(0200); - gen1(0); - gen1(0); - return; - } - fl = ldexp(fl, i+j); - p = (char *) &fl; - } - else { - p = (char *) &f; - } - gen1(*p++&0377); - for (i = argval-1; i; i--) { - gen1(*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++) { - gen1((fraction[i]>>8)&0377); - gen1(fraction[i]&0377); - } -#endif OWNFLOAT -#endif -} +#include /* as long as we generate assembler ... diff --git a/mach/i86/ce/mach.c b/mach/i86/ce/mach.c index f34b673ce..35d64b79e 100644 --- a/mach/i86/ce/mach.c +++ b/mach/i86/ce/mach.c @@ -20,145 +20,4 @@ int val; return( val >= -128 && val <= 127); } -con_float(str, argval) - char *str; - int argval; -{ -#ifdef NOFLOAT - -static int been_here; - if (argval != 4 && argval != 8) - arg_error("fcon", argval); - if (argval == 8) - gen4((FOUR_BYTES) 0); - gen4((FOUR_BYTES) 0); - if ( !been_here++) - { - fprint(STDERR, "Warning : dummy float-constant(s)\n"); - } -#else -#define IEEEFLOAT - 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) { - arg_error("fcon", argval); - argval = 8; - } - f = atof(str); - if (f == 0) { - if (argval == 8) gen4((FOUR_BYTES) 0); - gen4((FOUR_BYTES) 0); - 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 */ - gen1(f<0?0377:0177); - gen1(0377); - gen1(0377); - gen1(0377); - return; - } - if (i+j < -127) { - /* underflow situation */ - gen1(f<0?0200:0); - gen1(0200); - gen1(0); - gen1(0); - return; - } - fl = ldexp(fl, i+j); - p = (char *) &fl; - } - else { - p = (char *) &f; - } - gen1(*p++&0377); - for (i = argval-1; i; i--) { - gen1(*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++) { - gen1((fraction[i]>>8)&0377); - gen1(fraction[i]&0377); - } -#endif OWNFLOAT -#endif -} +#include -- 2.34.1