From: dtrg <none@none>
Date: Sun, 25 Feb 2007 12:45:24 +0000 (+0000)
Subject: Moved to /h.
X-Git-Tag: release-6-0-pre-1~16
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=f6a41864cf1e81374adf0ee567511148fd7c65c8;p=ack.git

Moved to /h.
---

diff --git a/mach/con_float b/mach/con_float
deleted file mode 100644
index 903c2ce5b..000000000
--- a/mach/con_float
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
-  (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
-  See the copyright notice in the ACK home directory, in the file "Copyright".
-*/
-
-/* $Id$ */
-
-/* 
-   #define CODE_GENERATOR for code generator
-   #define CODE_EXPANDER for code expander
-
-   #define IEEEFLOAT for machines using IEEE floating point format
-   #define PDPFLOAT for machines using the PDP-11 floating point format
-   If none of these are defined, the format of the machine on which the
-   code generator runs is used.
-   Returns 1 if sz has an illegal value, 2 in case of overflow,
-   and 0 if all went well.
-   If neither IEEEFLOAT nor PDPFLOAT are defined, the return value is not
-   trustworthy.
-
-   Unfortunately, the IEEE standard does not define the byte-order.
-   depends on the #defines
-	FL_MSL_AT_LOW_ADDRESS	1 if most significant long is at low address
-	FL_MSW_AT_LOW_ADDRESS	1 if most significant word is at low address
-	FL_MSB_AT_LOW_ADDRESS	1 if most significant byte is at low address
-*/
-#ifdef IEEEFLOAT
-#define USE_FLT
-#endif
-#ifdef PDPFLOAT
-#define USE_FLT
-#undef FL_MSL_AT_LOW_ADDRESS
-#define FL_MSL_AT_LOW_ADDRESS 1
-#undef FL_MSW_AT_LOW_ADDRESS
-#define FL_MSW_AT_LOW_ADDRESS 1
-#undef FL_MSB_AT_LOW_ADDRESS
-#define FL_MSB_AT_LOW_ADDRESS 0
-#endif
-
-#define I0 ((FL_MSL_AT_LOW_ADDRESS ? 0 : 4) + (FL_MSW_AT_LOW_ADDRESS ? 0 : 2) \
-		+ (FL_MSB_AT_LOW_ADDRESS ? 0 : 1))
-#define I1 ((FL_MSL_AT_LOW_ADDRESS ? 0 : 4) + (FL_MSW_AT_LOW_ADDRESS ? 0 : 2) \
-		+ (FL_MSB_AT_LOW_ADDRESS ? 1 : 0))
-#define I2 ((FL_MSL_AT_LOW_ADDRESS ? 0 : 4) + (FL_MSW_AT_LOW_ADDRESS ? 2 : 0) \
-		+ (FL_MSB_AT_LOW_ADDRESS ? 0 : 1))
-#define I3 ((FL_MSL_AT_LOW_ADDRESS ? 0 : 4) + (FL_MSW_AT_LOW_ADDRESS ? 2 : 0) \
-		+ (FL_MSB_AT_LOW_ADDRESS ? 1 : 0))
-#define I4 ((FL_MSL_AT_LOW_ADDRESS ? 4 : 0) + (FL_MSW_AT_LOW_ADDRESS ? 0 : 2) \
-		+ (FL_MSB_AT_LOW_ADDRESS ? 0 : 1))
-#define I5 ((FL_MSL_AT_LOW_ADDRESS ? 4 : 0) + (FL_MSW_AT_LOW_ADDRESS ? 0 : 2) \
-		+ (FL_MSB_AT_LOW_ADDRESS ? 1 : 0))
-#define I6 ((FL_MSL_AT_LOW_ADDRESS ? 4 : 0) + (FL_MSW_AT_LOW_ADDRESS ? 2 : 0) \
-		+ (FL_MSB_AT_LOW_ADDRESS ? 0 : 1))
-#define I7 ((FL_MSL_AT_LOW_ADDRESS ? 4 : 0) + (FL_MSW_AT_LOW_ADDRESS ? 2 : 0) \
-		+ (FL_MSB_AT_LOW_ADDRESS ? 1 : 0))
-
-#ifndef USE_FLT
-static int
-float_cst(str, sz, buf)
-	char *str, *buf;
-	int sz;
-{
-	int i;
-	char *p;
-	float fl;
-	double f;
-	double atof();
-
-	if (sz!= 4 && sz!= 8)	{
-		return 1;
-	}
-	f = atof(str);
-	if (sz == 4) {
-		fl = f;
-		p = (char *) &fl;
-	}
-	else {
-		p = (char *) &f;
-	}
-	for (i = sz; i; i--) {
-		*buf++ = *p++;
-	}
-	return 0;
-}
-#else /* USE_FLT */
-
-#include <ctype.h>
-#include <flt_arith.h>
-
-int
-float_cst(str, sz, buf)
-	char *str, *buf;
-	int sz;
-{
-	int overflow = 0;
-	flt_arith e;
-
-	if (sz!= 4 && sz!= 8)	{
-		return 1;
-	}
-	flt_str2flt(str, &e);
-#ifdef IEEEFLOAT
-	if (sz == 4) {
-#endif
-#ifdef PDPFLOAT
-		e.flt_exp += 129;
-#else
-		e.flt_exp += 127;
-#endif
-		if (e.flt_mantissa.flt_h_32 == 0) e.flt_exp = 0;
-#ifdef IEEEFLOAT
-		if (e.flt_mantissa.flt_h_32 & 0x80) {
-			/* rounding */
-			if ((e.flt_mantissa.flt_h_32 & 0xffffff00) == 0xffffff00) {
-				e.flt_exp++;
-				e.flt_mantissa.flt_h_32 = 0x80000000;
-			}
-			else {
-				e.flt_mantissa.flt_h_32 += 0x80;
-			}
-		}
-		if (e.flt_exp >= 255) {
-			overflow = 1;
-			e.flt_exp = 255;
-			e.flt_mantissa.flt_h_32 = e.flt_mantissa.flt_l_32 = 0;
-		}
-		if (e.flt_exp <= 0) {
-			flt_b64_sft(&(e.flt_mantissa), 1);
-			if (e.flt_exp < 0) {
-				flt_b64_sft(&(e.flt_mantissa), -e.flt_exp);
-				e.flt_exp = 0;
-			}
-		}
-#endif
-#ifndef IEEEFLOAT
-		if (sz == 4 && (e.flt_mantissa.flt_h_32 & 0x80)) {
-			/* rounding */
-			if ((e.flt_mantissa.flt_h_32 & 0xffffff00) == 0xffffff00) {
-				e.flt_exp++;
-				e.flt_mantissa.flt_h_32 = 0x80000000;
-			}
-			else {
-				e.flt_mantissa.flt_h_32 += 0x80;
-			}
-		}
-		if (sz == 8 && (e.flt_mantissa.flt_l_32 & 0x80)) {
-			/* rounding */
-			if ((e.flt_mantissa.flt_l_32 & 0xffffff00) == 0xffffff00) {
-				e.flt_mantissa.flt_l_32 = 0;
-				if (e.flt_mantissa.flt_h_32 == 0xffffffff) {
-					e.flt_exp++;
-					e.flt_mantissa.flt_h_32 = 0x80000000;
-				}
-				else e.flt_mantissa.flt_h_32++;
-			}
-			else {
-				e.flt_mantissa.flt_l_32 += 0x80;
-			}
-		}
-		if (e.flt_exp > 255) {
-			overflow = 1;
-			e.flt_exp = 255;
-			e.flt_mantissa.flt_h_32 = e.flt_mantissa.flt_l_32 = 0xffffffff;
-		}
-#endif
-		buf[I0] = (e.flt_sign << 7) | (e.flt_exp >> 1);
-		buf[I1] = ((e.flt_exp&1) << 7) |
-				((e.flt_mantissa.flt_h_32 & 0x7fffffff) >> 24);
-		buf[I2] = e.flt_mantissa.flt_h_32 >> 16;
-		buf[I3] = e.flt_mantissa.flt_h_32 >> 8;
-#ifndef IEEEFLOAT
-		if (sz == 8) {
-			buf[I4] = e.flt_mantissa.flt_h_32;
-			buf[I5] = e.flt_mantissa.flt_l_32 >> 24;
-			buf[I6] = e.flt_mantissa.flt_l_32 >> 16;
-			buf[I7] = e.flt_mantissa.flt_l_32 >> 8;
-			flt_b64_sft(&(e.flt_mantissa), -56);
-		}
-		else
-#endif
-			flt_b64_sft(&(e.flt_mantissa), -24);
-#ifdef IEEEFLOAT
-	}
-	else {
-		e.flt_exp += 1023;
-		if (e.flt_mantissa.flt_h_32 == 0) e.flt_exp = 0;
-		if (e.flt_mantissa.flt_l_32 & 0x400) {
-			/* rounding */
-			if ((e.flt_mantissa.flt_l_32 & 0xfffff800) == 0xfffff800) {
-				e.flt_mantissa.flt_l_32 = 0;
-				if (e.flt_mantissa.flt_h_32 == 0xffffffff) {
-					e.flt_exp++;
-					e.flt_mantissa.flt_h_32 = 0x80000000;
-				}
-				else e.flt_mantissa.flt_h_32++;
-			}
-			else {
-				e.flt_mantissa.flt_l_32 += 0x400;
-			}
-		}
-		if (e.flt_exp >= 2047) {
-			overflow = 1;
-			e.flt_exp = 2047;
-			e.flt_mantissa.flt_h_32 = e.flt_mantissa.flt_l_32 = 0;
-		}
-		if (e.flt_exp <= 0) {
-			flt_b64_sft(&(e.flt_mantissa), 1);
-			if (e.flt_exp < 0) {
-				flt_b64_sft(&(e.flt_mantissa), -e.flt_exp);
-				e.flt_exp = 0;
-			}
-		}
-		buf[I0] = (e.flt_sign << 7) | (e.flt_exp >> 4);
-		buf[I1] = ((e.flt_exp & 017)<< 4) | ((e.flt_mantissa.flt_h_32 >> 27) & 017);
-		buf[I2] = e.flt_mantissa.flt_h_32 >> 19;
-		buf[I3] = e.flt_mantissa.flt_h_32 >> 11;
-		buf[I4] = e.flt_mantissa.flt_h_32 >> 3;
-		buf[I5] = (e.flt_mantissa.flt_h_32 << 5) | ((e.flt_mantissa.flt_l_32 >> 27) & 037);
-		buf[I6] = e.flt_mantissa.flt_l_32 >> 19;
-		buf[I7] = e.flt_mantissa.flt_l_32 >> 11;
-		flt_b64_sft(&(e.flt_mantissa), -53);
-	}
-#endif
-#if ! FL_MSL_AT_LOW_ADDRESS
-	if (sz == 4) {
-		buf[I4] = buf[I0];
-		buf[I5] = buf[I1];
-		buf[I6] = buf[I2];
-		buf[I7] = buf[I3];
-	}
-#endif
-	if (overflow) {
-		return 2;
-	}
-	return 0;
-}
-#endif /* USE_FLT */
-
-#ifdef CODE_GENERATOR
-con_float()
-{
-	char buf[8];
-	int rval = float_cst(str, (int)argval, buf);
-	int i;
-
-	if (rval == 1) {
-		fprintf(stderr,"float constant size = %d\n",(int)argval);
-		fatal("bad fcon size");
-	}
-	fprintf(codefile,"!float %s sz %d\n", str, (int)argval);
-	if (rval == 2) {
-		fprintf(stderr, "Warning: overflow in floating point constant %s\n", str);
-	}
-	fprintf(codefile, ".data1 0%o", buf[0] & 0377);
-	for (i = 1; i < (int)argval; i++) {
-		fprintf(codefile, ",0%o", buf[i] & 0377);
-	}
-	putc('\n', codefile);
-}
-#endif /* CODE_GENERATOR */
-
-#ifdef CODE_EXPANDER
-con_float(str, argval)
-	char *str;
-	arith argval;
-{
-	char buf[8];
-	int rval = float_cst(str, (int)argval, buf);
-	int i;
-
-	if (rval == 1) {
-		argval = 8;
-		rval = float_cst(str, 8, buf);
-	}
-	for (i = 0; i < (int)argval; i++) {
-		gen1(buf[i]);
-	}
-}
-#endif /* CODE_EXPANDER */