From 34a039ae7b158cacb5b20d91067e9d6458d30a56 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Sun, 8 Jun 2008 15:51:54 +1000 Subject: nv50: fix src1 & src2 == const --- src/gallium/drivers/nv50/nv50_program.c | 26 ++++++++++++++++++++------ 1 file changed, 20 insertions(+), 6 deletions(-) (limited to 'src/gallium/drivers/nv50/nv50_program.c') diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index b151b540bf..936a8ef9b3 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -22,8 +22,6 @@ * - Maybe even relax restrictions a bit, can't do P_RESULT + P_IMMD, * but can emit to P_TEMP first - then MOV later. NVIDIA does this * - * Hmmm.. what happens if we have src1+src2 both consts.. ouch ! - * * Verify half-insns work where expected - and force disable them where they * don't work - MUL has it forcibly disabled atm as it fixes POW.. * @@ -391,8 +389,16 @@ set_src_1(struct nv50_pc *pc, struct nv50_reg *src, unsigned *inst) src = temp; } else if (src->type == P_CONST || src->type == P_IMMD) { - set_cseg(pc, src, inst); - inst[0] |= 0x00800000; + assert(!(inst[0] & 0x00800000)); + if (inst[0] & 0x01000000) { + struct nv50_reg *temp = temp_temp(pc); + + emit_mov(pc, temp, src); + src = temp; + } else { + set_cseg(pc, src, inst); + inst[0] |= 0x00800000; + } } alloc_reg(pc, src); @@ -411,8 +417,16 @@ set_src_2(struct nv50_pc *pc, struct nv50_reg *src, unsigned *inst) src = temp; } else if (src->type == P_CONST || src->type == P_IMMD) { - set_cseg(pc, src, inst); - inst[0] |= 0x01000000; + assert(!(inst[0] & 0x01000000)); + if (inst[0] & 0x00800000) { + struct nv50_reg *temp = temp_temp(pc); + + emit_mov(pc, temp, src); + src = temp; + } else { + set_cseg(pc, src, inst); + inst[0] |= 0x01000000; + } } alloc_reg(pc, src); -- cgit v1.2.3