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| author | Quentin Carbonneaux <quentin@c9x.me> | 2022-12-10 23:16:21 +0100 |
|---|---|---|
| committer | Quentin Carbonneaux <quentin@c9x.me> | 2022-12-14 23:18:26 +0100 |
| commit | 26c1c30b7d96d2170195970a8cdb3b024ba7421a (patch) | |
| tree | 79c45ec28d63619fbe2a88ec2195f8fe4a95a8a5 /rv64 | |
| parent | 15e25a61b38b250c7543437a093a9efe076cce0a (diff) | |
| download | roux-26c1c30b7d96d2170195970a8cdb3b024ba7421a.tar.gz | |
new blit instruction
Diffstat (limited to 'rv64')
| -rw-r--r-- | rv64/abi.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/rv64/abi.c b/rv64/abi.c index 3a97a6a..e31425c 100644 --- a/rv64/abi.c +++ b/rv64/abi.c @@ -222,7 +222,8 @@ selret(Blk *b, Fn *fn) typclass(&cr, &typ[fn->retty], 1, gpreg, fpreg); if (cr.class & Cptr) { assert(rtype(fn->retr) == RTmp); - blit0(fn->retr, r, cr.type->size, fn); + emit(Oblit1, 0, R, INT(cr.type->size), R); + emit(Oblit0, 0, R, r, fn->retr); cty = 0; } else { ldregs(&cr, r, fn); @@ -341,7 +342,7 @@ selcall(Fn *fn, Ins *i0, Ins *i1, Insl **ilp) Class *ca, *c, cr; int j, k, cty; uint64_t stk, off; - Ref r, r1, tmp[2]; + Ref r, r1, r2, tmp[2]; ca = alloc((i1-i0) * sizeof ca[0]); cr.class = 0; @@ -419,8 +420,10 @@ selcall(Fn *fn, Ins *i0, Ins *i1, Insl **ilp) k = KWIDE(*c->cls) ? Kl : Kw; emit(Ocast, k, TMP(*c->reg), i->arg[0], R); } - if (c->class & Cptr) - blit0(i->arg[0], i->arg[1], c->type->size, fn); + if (c->class & Cptr) { + emit(Oblit1, 0, R, INT(c->type->size), R); + emit(Oblit0, 0, R, i->arg[1], i->arg[0]); + } } if (!stk) @@ -450,11 +453,21 @@ selcall(Fn *fn, Ins *i0, Ins *i1, Insl **ilp) } if (i->op == Oargc) { if (c->class & Cstk1) { - blit(r, off, i->arg[1], 0, 8, fn); + r1 = newtmp("abi", Kl, fn); + r2 = newtmp("abi", Kl, fn); + emit(Ostorel, 0, R, r2, r1); + emit(Oadd, Kl, r1, r, getcon(off, fn)); + emit(Oload, Kl, r2, i->arg[1], R); off += 8; } if (c->class & Cstk2) { - blit(r, off, i->arg[1], 8, 8, fn); + r1 = newtmp("abi", Kl, fn); + r2 = newtmp("abi", Kl, fn); + emit(Ostorel, 0, R, r2, r1); + emit(Oadd, Kl, r1, r, getcon(off, fn)); + r1 = newtmp("abi", Kl, fn); + emit(Oload, Kl, r2, r1, R); + emit(Oadd, Kl, r1, i->arg[1], getcon(8, fn)); off += 8; } } |