[dev.power64] liblink: fix handling of $nnn(reg)

LGTM=minux
R=minux
CC=golang-codereviews
https://golang.org/cl/126180043

diff --git a/src/liblink/asm9.c b/src/liblink/asm9.c
index f1889a92c2d7a732ac998ace0a1c8b8e0a8e2d70..352fba9154a09369829e9b8f0931b036fa4a3554 100644 (file)
--- a/src/liblink/asm9.c
+++ b/src/liblink/asm9.c
@@ -677,6 +677,11 @@ aclass(Link *ctxt, Addr *a)
                switch(a->name) {
                case D_NONE:
                        ctxt->instoffset = a->offset;
+                       if(a->reg != NREG) {
+                               if(-BIG <= ctxt->instoffset && ctxt->instoffset <= BIG)
+                                       return C_SACON;
+                               return C_LACON;
+                       }
                consize:
                        if(ctxt->instoffset >= 0) {
                                if(ctxt->instoffset == 0)
@@ -769,6 +774,7 @@ oplook(Link *ctxt, Prog *p)
        a2 = C_NONE;
        if(p->reg != NREG)
                a2 = C_REG;
+//print("oplook %P %d %d %d %d\n", p, a1, a2, a3, a4);
        r = p->as;
        o = oprange[r].start;
        if(o == 0)
@@ -1423,6 +1429,7 @@ asmout(Link *ctxt, Prog *p, Optab *o, int32 *out)
        o4 = 0;
        o5 = 0;
 
+//print("%P => case %d\n", p, o->type);
        switch(o->type) {
        default:
                ctxt->diag("unknown type %d", o->type);