diff options
Diffstat (limited to 'arm64')
| -rw-r--r-- | arm64/abi.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arm64/abi.c b/arm64/abi.c index 18e8ef3..f127576 100644 --- a/arm64/abi.c +++ b/arm64/abi.c @@ -181,7 +181,7 @@ selret(Blk *b, Fn *fn) cty = (cr.nfp << 2) | cr.ngp; if (cr.class & Cptr) { assert(rtype(fn->retr) == RTmp); - blit(fn->retr, 0, r, cr.t->size, fn); + blit0(fn->retr, r, cr.t->size, fn); } else ldregs(cr.reg, cr.cls, cr.nreg, r, fn); } else { @@ -359,6 +359,10 @@ selcall(Fn *fn, Ins *i0, Ins *i1, Insl **ilp) stkblob(i1->to, &cr, fn, ilp); cty |= (cr.nfp << 2) | cr.ngp; if (cr.class & Cptr) { + /* spill & rega expect calls to be + * followed by copies from regs, + * so we emit a dummy + */ cty |= 1 << 13 | 1; emit(Ocopy, Kw, R, TMP(R0), R); } else { @@ -407,7 +411,7 @@ selcall(Fn *fn, Ins *i0, Ins *i1, Insl **ilp) emit(Oadd, Kl, r, TMP(SP), getcon(off, fn)); } if (i->op == Oargc) - blit(TMP(SP), off, i->arg[1], c->size, fn); + blit(TMP(SP), off, i->arg[1], 0, c->size, fn); off += c->size; } if (stk) @@ -415,7 +419,7 @@ selcall(Fn *fn, Ins *i0, Ins *i1, Insl **ilp) for (i=i0, c=ca; i<i1; i++, c++) if (c->class & Cptr) - blit(i->arg[0], 0, i->arg[1], c->t->size, fn); + blit0(i->arg[0], i->arg[1], c->t->size, fn); } static Params |