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i965: Add backend_instruction::can_do_cmod().

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Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Matt Turner 2014-08-24 14:01:48 -07:00
parent 71486e9f2d
commit 0654ca7d7e
2 changed files with 46 additions and 0 deletions
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45
src/mesa/drivers/dri/i965/brw_shader.cpp
View file

@ -789,6 +789,51 @@ backend_instruction::can_do_saturate() const
}
}
bool
backend_instruction::can_do_cmod() const
{
switch (opcode) {
case BRW_OPCODE_ADD:
case BRW_OPCODE_ADDC:
case BRW_OPCODE_AND:
case BRW_OPCODE_ASR:
case BRW_OPCODE_AVG:
case BRW_OPCODE_CMP:
case BRW_OPCODE_CMPN:
case BRW_OPCODE_DP2:
case BRW_OPCODE_DP3:
case BRW_OPCODE_DP4:
case BRW_OPCODE_DPH:
case BRW_OPCODE_F16TO32:
case BRW_OPCODE_F32TO16:
case BRW_OPCODE_FRC:
case BRW_OPCODE_LINE:
case BRW_OPCODE_LRP:
case BRW_OPCODE_LZD:
case BRW_OPCODE_MAC:
case BRW_OPCODE_MACH:
case BRW_OPCODE_MAD:
case BRW_OPCODE_MOV:
case BRW_OPCODE_MUL:
case BRW_OPCODE_NOT:
case BRW_OPCODE_OR:
case BRW_OPCODE_PLN:
case BRW_OPCODE_RNDD:
case BRW_OPCODE_RNDE:
case BRW_OPCODE_RNDU:
case BRW_OPCODE_RNDZ:
case BRW_OPCODE_SAD2:
case BRW_OPCODE_SADA2:
case BRW_OPCODE_SHL:
case BRW_OPCODE_SHR:
case BRW_OPCODE_SUBB:
case BRW_OPCODE_XOR:
return true;
default:
return false;
}
}
bool
backend_instruction::reads_accumulator_implicitly() const
{

1
src/mesa/drivers/dri/i965/brw_shader.h
View file

@ -87,6 +87,7 @@ struct backend_instruction : public exec_node {
bool is_control_flow() const;
bool can_do_source_mods() const;
bool can_do_saturate() const;
bool can_do_cmod() const;
bool reads_accumulator_implicitly() const;
bool writes_accumulator_implicitly(struct brw_context *brw) const;