diff options
Diffstat (limited to 'src/cmd/6g/gsubr.c')
| -rw-r--r-- | src/cmd/6g/gsubr.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/cmd/6g/gsubr.c b/src/cmd/6g/gsubr.c index e9ad6c094..1c11b14ae 100644 --- a/src/cmd/6g/gsubr.c +++ b/src/cmd/6g/gsubr.c @@ -238,6 +238,23 @@ gclean(void) yyerror("reg %R left allocated\n", i); } +int32 +anyregalloc(void) +{ + int i, j; + + for(i=D_AL; i<=D_DI; i++) { + if(reg[i] == 0) + goto ok; + for(j=0; j<nelem(resvd); j++) + if(resvd[j] == i) + goto ok; + return 1; + ok:; + } + return 0; +} + /* * allocate register of type t, leave in n. * if o != N, o is desired fixed register. @@ -982,6 +999,7 @@ naddr(Node *n, Addr *a, int canemitcode) a->width = n->type->width; a->gotype = ngotype(n); } + a->pun = n->pun; a->offset = n->xoffset; a->sym = n->sym; if(a->sym == S) |