diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/r600/r600_asm.c | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c index 07fe1df865b..123a9f88e76 100644 --- a/src/gallium/drivers/r600/r600_asm.c +++ b/src/gallium/drivers/r600/r600_asm.c @@ -480,6 +480,23 @@ static int is_alu_mova_inst(struct r600_bytecode *bc, struct r600_bytecode_alu * } } +static int alu_uses_rel(struct r600_bytecode *bc, struct r600_bytecode_alu *alu) +{ + unsigned num_src = r600_bytecode_get_num_operands(bc, alu); + unsigned src; + + if (alu->dst.rel) { + return 1; + } + + for (src = 0; src < num_src; ++src) { + if (alu->src[src].rel) { + return 1; + } + } + return 0; +} + static int is_opcode_in_range(unsigned opcode, unsigned min, unsigned max) { return min <= opcode && opcode <= max; @@ -1084,6 +1101,14 @@ static int merge_inst_groups(struct r600_bytecode *bc, struct r600_bytecode_alu return 0; have_mova = 1; } + + if (alu_uses_rel(bc, prev[i])) { + if (have_mova) { + return 0; + } + have_rel = 1; + } + num_once_inst += is_alu_once_inst(bc, prev[i]); } if (slots[i] && r600_bytecode_alu_nliterals(bc, slots[i], literal, &nliteral)) @@ -1131,21 +1156,23 @@ static int merge_inst_groups(struct r600_bytecode *bc, struct r600_bytecode_alu if (is_nop_inst(bc, alu)) return 0; - /* Let's check dst gpr. */ - if (alu->dst.rel) { - if (have_mova) + if (is_alu_mova_inst(bc, alu)) { + if (have_rel) { return 0; + } + have_mova = 1; + } + + if (alu_uses_rel(bc, alu)) { + if (have_mova) { + return 0; + } have_rel = 1; } /* Let's check source gprs */ num_src = r600_bytecode_get_num_operands(bc, alu); for (src = 0; src < num_src; ++src) { - if (alu->src[src].rel) { - if (have_mova) - return 0; - have_rel = 1; - } /* Constants don't matter. */ if (!is_gpr(alu->src[src].sel)) |