diff options
Diffstat (limited to 'usr.bin/pcc/powerpc/order.c')
| -rw-r--r-- | usr.bin/pcc/powerpc/order.c | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/usr.bin/pcc/powerpc/order.c b/usr.bin/pcc/powerpc/order.c index 215a2a3f20c..abc6085248b 100644 --- a/usr.bin/pcc/powerpc/order.c +++ b/usr.bin/pcc/powerpc/order.c @@ -1,4 +1,4 @@ -/* $OpenBSD: order.c,v 1.1 2007/10/20 10:01:38 otto Exp $ */ +/* $OpenBSD: order.c,v 1.2 2007/11/01 10:52:58 otto Exp $ */ /* * Copyright (c) 2003 Anders Magnusson (ragge@ludd.luth.se). * All rights reserved. @@ -40,7 +40,7 @@ int canaddr(NODE *); int notoff(TWORD t, int r, CONSZ off, char *cp) { -// if (cp) return 1; + if (cp && cp[0]) return 1; return !(off < 32768 && off > -32769); /* YES */ } @@ -67,6 +67,7 @@ offstar(NODE *p, int shape) /* Converted in ormake() */ return; } + /* usually for arraying indexing: */ if (r->n_op == LS && r->n_right->n_op == ICON && r->n_right->n_lval == 2 && p->n_op == PLUS) { if (isreg(p->n_left) == 0) @@ -85,15 +86,40 @@ offstar(NODE *p, int shape) void myormake(NODE *q) { -#if 0 - NODE *p; +#if 1 + NODE *p, *r; #endif if (x2debug) printf("myormake(%p)\n", q); -#if 0 +#if 1 p = q->n_left; + if (q->n_op != OREG && p->n_op == REG) { + q->n_op = OREG; + q->n_lval = 0; + q->n_rval = p->n_rval; + tfree(p); + return; + } +#endif + +#if 1 + /* usually for array indexing */ + p = q->n_left; + if (p->n_op == PLUS && (r = p->n_right)->n_op == LS && + r->n_right->n_op == ICON && r->n_right->n_lval == 2 && + p->n_left->n_op == REG && r->n_left->n_op == REG) { + if (isreg(p->n_left) == 0) + (void)geninsn(p->n_left, INAREG); + q->n_op = OREG; + q->n_lval = 0; + q->n_rval = p->n_left->n_rval; + tfree(p); + } +#endif + +#if 0 if ((p->n_op == PLUS || p->n_op == MINUS) && p->n_right->n_op == ICON) { if (isreg(p->n_left) == 0) (void)geninsn(p->n_left, INAREG); @@ -107,6 +133,7 @@ myormake(NODE *q) tfree(p); } #endif + (void)geninsn(p, INAREG); } /* |