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6l, 8l: fix -K implementation

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R=ken2
CC=golang-dev
https://golang.org/cl/2313041
This commit is contained in:
Russ Cox 2010-09-29 15:10:14 -04:00
parent 1edfb4cc75
commit e642503d6f
2 changed files with 9 additions and 36 deletions
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33
src/cmd/6l/pass.c
View File

@ -716,6 +716,11 @@ dostkoff(void)
p->as = AINT;
p->from.type = D_CONST;
p->from.offset = 3;
p = appendp(p);
p->as = ANOP;
q1->pcond = p;
q1 = P;
}
if(autoffset < StackBig) { // do we need to call morestack?
@ -725,10 +730,6 @@ dostkoff(void)
p->as = ACMPQ;
p->from.type = D_SP;
p->to.type = D_INDIR+D_CX;
if(q1) {
q1->pcond = p;
q1 = P;
}
} else {
// large stack
p = appendp(p);
@ -736,10 +737,6 @@ dostkoff(void)
p->from.type = D_INDIR+D_SP;
p->from.offset = -(autoffset-StackSmall);
p->to.type = D_AX;
if(q1) {
q1->pcond = p;
q1 = P;
}
p = appendp(p);
p->as = ACMPQ;
@ -769,20 +766,12 @@ dostkoff(void)
p->to.type = D_BRANCH;
p->pcond = pmorestack[0];
p->to.sym = symmorestack[0];
if(q1) {
q1->pcond = p;
q1 = P;
}
} else
if(moreconst1 != 0 && moreconst2 == 0) {
p->as = AMOVL;
p->from.type = D_CONST;
p->from.offset = moreconst1;
p->to.type = D_AX;
if(q1) {
q1->pcond = p;
q1 = P;
}
p = appendp(p);
p->as = ACALL;
@ -796,20 +785,12 @@ dostkoff(void)
p->to.type = D_BRANCH;
p->pcond = pmorestack[i];
p->to.sym = symmorestack[i];
if(q1) {
q1->pcond = p;
q1 = P;
}
} else
if(moreconst1 == 0 && moreconst2 != 0) {
p->as = AMOVL;
p->from.type = D_CONST;
p->from.offset = moreconst2;
p->to.type = D_AX;
if(q1) {
q1->pcond = p;
q1 = P;
}
p = appendp(p);
p->as = ACALL;
@ -822,10 +803,6 @@ dostkoff(void)
p->from.offset = (uint64)moreconst2 << 32;
p->from.offset |= moreconst1;
p->to.type = D_AX;
if(q1) {
q1->pcond = p;
q1 = P;
}
p = appendp(p);
p->as = ACALL;

12
src/cmd/8l/pass.c
View File

@ -701,6 +701,10 @@ dostkoff(void)
p->as = AINT;
p->from.type = D_CONST;
p->from.offset = 3;
p = appendp(p);
p->as = ANOP;
q1->pcond = p;
}
if(autoffset < StackBig) { // do we need to call morestack
@ -710,10 +714,6 @@ dostkoff(void)
p->as = ACMPL;
p->from.type = D_SP;
p->to.type = D_INDIR+D_CX;
if(q1) {
q1->pcond = p;
q1 = P;
}
} else {
// large stack
p = appendp(p);
@ -721,10 +721,6 @@ dostkoff(void)
p->from.type = D_INDIR+D_SP;
p->from.offset = -(autoffset-StackSmall);
p->to.type = D_AX;
if(q1) {
q1->pcond = p;
q1 = P;
}
p = appendp(p);
p->as = ACMPL;