diff options
| author | Christoph Bumiller <[email protected]> | 2009-05-23 15:10:56 +0200 |
|---|---|---|
| committer | Ben Skeggs <[email protected]> | 2009-05-28 16:06:22 +1000 |
| commit | d015cba88f1ef217f6ef9d116ba6abb32e043baa (patch) | |
| tree | 27e83642d6821b3515025918cdf51dc51b8c389c /src/gallium | |
| parent | 44b3bfaa7599add72d76b3802ddea05b5b5c6316 (diff) | |
nv50: enable half insns for MOV and MUL
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 78ffc7f7ce9..05b63be60a0 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -120,6 +120,8 @@ struct nv50_pc { /* current instruction and total number of insns */ unsigned insn_cur; unsigned insn_nr; + + boolean allow32; }; static void @@ -491,14 +493,13 @@ emit_mov(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) e->inst[0] |= (src->hw << 9); } - /* We really should support "half" instructions here at some point, - * but I don't feel confident enough about them yet. - */ - set_long(pc, e); if (is_long(e) && !is_immd(e)) { e->inst[1] |= 0x04000000; /* 32-bit */ - e->inst[1] |= 0x0003c000; /* "subsubop" 0xf == mov */ - } + e->inst[1] |= 0x0000c000; /* "subsubop" 0x3 */ + if (!(e->inst[1] & 0x20000000)) + e->inst[1] |= 0x00030000; /* "subsubop" 0xf */ + } else + e->inst[0] |= 0x00008000; emit(pc, e); } @@ -614,7 +615,6 @@ emit_mul(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0xc0000000; - set_long(pc, e); check_swap_src_0_1(pc, &src0, &src1); set_dst(pc, dst, e); @@ -1989,6 +1989,11 @@ nv50_program_tx(struct nv50_program *p) while (!tgsi_parse_end_of_tokens(&parse)) { const union tgsi_full_token *tok = &parse.FullToken; + /* don't allow half insn/immd on first and last instruction */ + pc->allow32 = TRUE; + if (pc->insn_cur == 0 || pc->insn_cur + 2 == pc->insn_nr) + pc->allow32 = FALSE; + tgsi_parse_token(&parse); switch (tok->Token.Type) { |