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-rw-r--r--src/cmd/5l/softfloat.c91
1 files changed, 0 insertions, 91 deletions
diff --git a/src/cmd/5l/softfloat.c b/src/cmd/5l/softfloat.c
deleted file mode 100644
index de6481c71..000000000
--- a/src/cmd/5l/softfloat.c
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-#include "l.h"
-#include "../ld/lib.h"
-
-// Software floating point.
-
-void
-softfloat(void)
-{
- Prog *p, *next, *psfloat;
- Sym *symsfloat;
- int wasfloat;
-
- if(!debug['F'])
- return;
-
- symsfloat = lookup("_sfloat", 0);
- psfloat = P;
- if(symsfloat->type == STEXT)
- psfloat = symsfloat->text;
-
- for(cursym = textp; cursym != nil; cursym = cursym->next) {
- wasfloat = 0;
- for(p = cursym->text; p != P; p = p->link)
- if(p->cond != P)
- p->cond->mark |= LABEL;
- for(p = cursym->text; p != P; p = p->link) {
- switch(p->as) {
- case AMOVW:
- if(p->to.type == D_FREG || p->from.type == D_FREG)
- goto soft;
- goto notsoft;
-
- case AMOVWD:
- case AMOVWF:
- case AMOVDW:
- case AMOVFW:
- case AMOVFD:
- case AMOVDF:
- case AMOVF:
- case AMOVD:
-
- case ACMPF:
- case ACMPD:
- case AADDF:
- case AADDD:
- case ASUBF:
- case ASUBD:
- case AMULF:
- case AMULD:
- case ADIVF:
- case ADIVD:
- case ASQRTF:
- case ASQRTD:
- case AABSF:
- case AABSD:
- goto soft;
-
- default:
- goto notsoft;
-
- soft:
- if (psfloat == P)
- diag("floats used with _sfloat not defined");
- if (!wasfloat || (p->mark&LABEL)) {
- next = prg();
- *next = *p;
-
- // BL _sfloat(SB)
- *p = zprg;
- p->link = next;
- p->as = ABL;
- p->to.type = D_BRANCH;
- p->to.sym = symsfloat;
- p->cond = psfloat;
- p->line = next->line;
-
- p = next;
- wasfloat = 1;
- }
- break;
-
- notsoft:
- wasfloat = 0;
- }
- }
- }
-}