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cmd/gc: can stop tracking gotype in regopt

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Now that the type information is in TYPE instructions
that are not rewritten by the optimization passes,
we don't have to try to preserve the type information
(no longer) attached to MOV instructions.

R=ken2
CC=golang-dev
https://golang.org/cl/7402054
This commit is contained in:
Russ Cox 2013-02-25 16:11:34 -05:00
parent a656f82071
commit aa3efb28f0
4 changed files with 0 additions and 6 deletions
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1
src/cmd/5g/reg.c
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@ -1012,7 +1012,6 @@ mkvar(Reg *r, Adr *a)
v = var+i; v = var+i;
v->offset = o; v->offset = o;
v->name = n; v->name = n;
// v->gotype = a->gotype;
v->etype = et; v->etype = et;
v->width = w; v->width = w;
v->addr = flag; // funny punning v->addr = flag; // funny punning

2
src/cmd/6g/reg.c
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@ -872,7 +872,6 @@ addmove(Reg *r, int bn, int rn, int f)
a->offset = v->offset; a->offset = v->offset;
a->etype = v->etype; a->etype = v->etype;
a->type = v->name; a->type = v->name;
a->gotype = v->gotype;
a->node = v->node; a->node = v->node;
a->sym = v->node->sym; a->sym = v->node->sym;
@ -1056,7 +1055,6 @@ mkvar(Reg *r, Adr *a)
v = var+i; v = var+i;
v->offset = o; v->offset = o;
v->name = n; v->name = n;
v->gotype = a->gotype;
v->etype = et; v->etype = et;
v->width = w; v->width = w;
v->addr = flag; // funny punning v->addr = flag; // funny punning

2
src/cmd/8g/reg.c
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@ -806,7 +806,6 @@ addmove(Reg *r, int bn, int rn, int f)
a->offset = v->offset; a->offset = v->offset;
a->etype = v->etype; a->etype = v->etype;
a->type = v->name; a->type = v->name;
a->gotype = v->gotype;
a->node = v->node; a->node = v->node;
a->sym = v->node->sym; a->sym = v->node->sym;
@ -984,7 +983,6 @@ mkvar(Reg *r, Adr *a)
v = var+i; v = var+i;
v->offset = o; v->offset = o;
v->name = n; v->name = n;
v->gotype = a->gotype;
v->etype = et; v->etype = et;
v->width = w; v->width = w;
v->addr = flag; // funny punning v->addr = flag; // funny punning

1
src/cmd/gc/go.h
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@ -695,7 +695,6 @@ typedef struct Var Var;
struct Var struct Var
{ {
vlong offset; vlong offset;
Sym* gotype;
Node* node; Node* node;
int width; int width;
char name; char name;