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nv50: enable half insns for MOV and MUL

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This commit is contained in:
Christoph Bumiller 2009-05-23 15:10:56 +02:00 • committed by Ben Skeggs
parent 44b3bfaa75
commit d015cba88f
1 changed files with 12 additions and 7 deletions
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19
src/gallium/drivers/nv50/nv50_program.c
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@ -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) {