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bug28

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fix code generation bug in
second index of string slice.

SVN=114255
This commit is contained in:
Ken Thompson 2008-03-29 16:27:12 -07:00
parent 0b62cb61ca
commit c69d54e7cd
1 changed files with 9 additions and 16 deletions
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25
src/c/gen.c
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@ -245,7 +245,7 @@ void
cgen(Node *n) cgen(Node *n)
{ {
long lno; long lno;
Node *nl, *nr, *r, *r1; Node *nl, *nr, *r;
int a; int a;
Prog *p1, *p2, *p3; Prog *p1, *p2, *p3;
@ -358,21 +358,14 @@ cgen(Node *n)
break; break;
case OSLICE: case OSLICE:
nl = n->left; nl = n->left; // name
nr = n->right; nr = n->right;
r = nr->left; r = nr->right; // index2
if(usesptr(nr->left)) { if(!r->addable) {
cgen(nr->left); cgen(r);
r = tempname(nr->left->type); r = tempname(r->type);
gopcodet(PSTORE, nr->left->type, r); gopcodet(PSTORE, r->type, r);
}
r1 = nr->right;
if(!nr->right->addable) {
cgen(nr->right);
r1 = tempname(nr->right->type);
gopcodet(PSTORE, nr->right->type, r1);
} }
// string into PTADDR // string into PTADDR
@ -385,8 +378,8 @@ cgen(Node *n)
// offset in int reg // offset in int reg
cgen(nr->left); cgen(nr->left);
// len addressed // index 2 addressed
gopcodet(PSLICE, nr->left->type, nr->right); gopcodet(PSLICE, r->type, r);
break; break;
case OINDEXPTR: case OINDEXPTR: