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i965: Add align1 ternary instruction support to conversion functions

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Reviewed-by: Scott D Phillips <scott.d.phillips@intel.com>
This commit is contained in:
Matt Turner
2017-06-14 14:49:31 -07:00
parent 281e8b8f27
commit 3b2c868848
4 changed files with 101 additions and 34 deletions
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16
src/intel/compiler/brw_disasm.c
View File

@@ -764,9 +764,7 @@ dest_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *ins
{
int err = 0;
uint32_t reg_file;
enum brw_reg_type type =
brw_hw_3src_type_to_reg_type(devinfo,
brw_inst_3src_a16_dst_hw_type(devinfo, inst));
enum brw_reg_type type = brw_inst_3src_a16_dst_type(devinfo, inst);
unsigned dst_subreg_nr =
brw_inst_3src_a16_dst_subreg_nr(devinfo, inst) * 4 /
brw_reg_type_to_size(type);
@@ -934,9 +932,7 @@ static int
src0_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
{
int err = 0;
enum brw_reg_type type =
brw_hw_3src_type_to_reg_type(devinfo,
brw_inst_3src_a16_src_hw_type(devinfo, inst));
enum brw_reg_type type = brw_inst_3src_a16_src_type(devinfo, inst);
unsigned src0_subreg_nr =
brw_inst_3src_a16_src0_subreg_nr(devinfo, inst) * 4 /
brw_reg_type_to_size(type);
@@ -966,9 +962,7 @@ static int
src1_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
{
int err = 0;
enum brw_reg_type type =
brw_hw_3src_type_to_reg_type(devinfo,
brw_inst_3src_a16_src_hw_type(devinfo, inst));
enum brw_reg_type type = brw_inst_3src_a16_src_type(devinfo, inst);
unsigned src1_subreg_nr =
brw_inst_3src_a16_src1_subreg_nr(devinfo, inst) * 4 /
brw_reg_type_to_size(type);
@@ -999,9 +993,7 @@ static int
src2_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
{
int err = 0;
enum brw_reg_type type =
brw_hw_3src_type_to_reg_type(devinfo,
brw_inst_3src_a16_src_hw_type(devinfo, inst));
enum brw_reg_type type = brw_inst_3src_a16_src_type(devinfo, inst);
unsigned src2_subreg_nr =
brw_inst_3src_a16_src2_subreg_nr(devinfo, inst) * 4 /
brw_reg_type_to_size(type);

4
src/intel/compiler/brw_inst.h
View File

@@ -251,7 +251,7 @@ static inline void \
brw_inst_set_3src_a16_##reg##_type(const struct gen_device_info *devinfo, \
brw_inst *inst, enum brw_reg_type type) \
{ \
unsigned hw_type = brw_reg_type_to_hw_3src_type(devinfo, type); \
unsigned hw_type = brw_reg_type_to_a16_hw_3src_type(devinfo, type); \
brw_inst_set_3src_a16_##reg##_hw_type(devinfo, inst, hw_type); \
} \
\
@@ -260,7 +260,7 @@ brw_inst_3src_a16_##reg##_type(const struct gen_device_info *devinfo, \
const brw_inst *inst) \
{ \
unsigned hw_type = brw_inst_3src_a16_##reg##_hw_type(devinfo, inst); \
return brw_hw_3src_type_to_reg_type(devinfo, hw_type); \
return brw_a16_hw_3src_type_to_reg_type(devinfo, hw_type); \
}
REG_TYPE(dst)

99
src/intel/compiler/brw_reg_type.c
View File

@@ -84,20 +84,57 @@ static const struct {
* and unsigned doublewords, so a new field is also available in the da3src
* struct (part of struct brw_instruction.bits1 in brw_structs.h) to select
* dst and shared-src types.
*
* CNL adds support for 3-src instructions in align1 mode, and with it support
* for most register types.
*/
enum hw_3src_reg_type {
GEN7_3SRC_TYPE_F = 0,
GEN7_3SRC_TYPE_D = 1,
GEN7_3SRC_TYPE_UD = 2,
GEN7_3SRC_TYPE_DF = 3,
/** When ExecutionDatatype is 1: @{ */
GEN10_ALIGN1_3SRC_REG_TYPE_HF = 0b000,
GEN10_ALIGN1_3SRC_REG_TYPE_F = 0b001,
GEN10_ALIGN1_3SRC_REG_TYPE_DF = 0b010,
/** @} */
/** When ExecutionDatatype is 0: @{ */
GEN10_ALIGN1_3SRC_REG_TYPE_UD = 0b000,
GEN10_ALIGN1_3SRC_REG_TYPE_D = 0b001,
GEN10_ALIGN1_3SRC_REG_TYPE_UW = 0b010,
GEN10_ALIGN1_3SRC_REG_TYPE_W = 0b011,
GEN10_ALIGN1_3SRC_REG_TYPE_UB = 0b100,
GEN10_ALIGN1_3SRC_REG_TYPE_B = 0b101,
/** @} */
};
static const enum hw_3src_reg_type gen7_3src_type[] = {
[0 ... BRW_REGISTER_TYPE_LAST] = INVALID,
[BRW_REGISTER_TYPE_F] = GEN7_3SRC_TYPE_F,
[BRW_REGISTER_TYPE_D] = GEN7_3SRC_TYPE_D,
[BRW_REGISTER_TYPE_UD] = GEN7_3SRC_TYPE_UD,
[BRW_REGISTER_TYPE_DF] = GEN7_3SRC_TYPE_DF,
static const struct hw_3src_type {
enum hw_3src_reg_type reg_type;
enum gen10_align1_3src_exec_type exec_type;
} gen7_hw_3src_type[] = {
[0 ... BRW_REGISTER_TYPE_LAST] = { INVALID },
[BRW_REGISTER_TYPE_F] = { GEN7_3SRC_TYPE_F },
[BRW_REGISTER_TYPE_D] = { GEN7_3SRC_TYPE_D },
[BRW_REGISTER_TYPE_UD] = { GEN7_3SRC_TYPE_UD },
[BRW_REGISTER_TYPE_DF] = { GEN7_3SRC_TYPE_DF },
}, gen10_hw_3src_align1_type[] = {
#define E(x) BRW_ALIGN1_3SRC_EXEC_TYPE_##x
[0 ... BRW_REGISTER_TYPE_LAST] = { INVALID },
[BRW_REGISTER_TYPE_DF] = { GEN10_ALIGN1_3SRC_REG_TYPE_DF, E(FLOAT) },
[BRW_REGISTER_TYPE_F] = { GEN10_ALIGN1_3SRC_REG_TYPE_F, E(FLOAT) },
[BRW_REGISTER_TYPE_HF] = { GEN10_ALIGN1_3SRC_REG_TYPE_HF, E(FLOAT) },
[BRW_REGISTER_TYPE_D] = { GEN10_ALIGN1_3SRC_REG_TYPE_D, E(INT) },
[BRW_REGISTER_TYPE_UD] = { GEN10_ALIGN1_3SRC_REG_TYPE_UD, E(INT) },
[BRW_REGISTER_TYPE_W] = { GEN10_ALIGN1_3SRC_REG_TYPE_W, E(INT) },
[BRW_REGISTER_TYPE_UW] = { GEN10_ALIGN1_3SRC_REG_TYPE_UW, E(INT) },
[BRW_REGISTER_TYPE_B] = { GEN10_ALIGN1_3SRC_REG_TYPE_B, E(INT) },
[BRW_REGISTER_TYPE_UB] = { GEN10_ALIGN1_3SRC_REG_TYPE_UB, E(INT) },
#undef E
};
/**
@@ -148,27 +185,57 @@ brw_hw_type_to_reg_type(const struct gen_device_info *devinfo,
/**
* Convert a brw_reg_type enumeration value into the hardware representation
* for a 3-src instruction
* for a 3-src align16 instruction
*/
unsigned
brw_reg_type_to_hw_3src_type(const struct gen_device_info *devinfo,
enum brw_reg_type type)
brw_reg_type_to_a16_hw_3src_type(const struct gen_device_info *devinfo,
enum brw_reg_type type)
{
assert(type < ARRAY_SIZE(gen7_3src_type));
assert(gen7_3src_type[type] != -1);
return gen7_3src_type[type];
assert(type < ARRAY_SIZE(gen7_hw_3src_type));
assert(gen7_hw_3src_type[type].reg_type != (enum hw_3src_reg_type)INVALID);
return gen7_hw_3src_type[type].reg_type;
}
/**
* Convert the hardware representation for a 3-src instruction into a
* Convert a brw_reg_type enumeration value into the hardware representation
* for a 3-src align1 instruction
*/
unsigned
brw_reg_type_to_a1_hw_3src_type(const struct gen_device_info *devinfo,
enum brw_reg_type type)
{
assert(type < ARRAY_SIZE(gen10_hw_3src_align1_type));
assert(gen10_hw_3src_align1_type[type].reg_type != (enum hw_3src_reg_type)INVALID);
return gen10_hw_3src_align1_type[type].reg_type;
}
/**
* Convert the hardware representation for a 3-src align16 instruction into a
* brw_reg_type enumeration value.
*/
enum brw_reg_type
brw_hw_3src_type_to_reg_type(const struct gen_device_info *devinfo,
unsigned hw_type)
brw_a16_hw_3src_type_to_reg_type(const struct gen_device_info *devinfo,
unsigned hw_type)
{
for (enum brw_reg_type i = 0; i <= BRW_REGISTER_TYPE_LAST; i++) {
if (gen7_3src_type[i] == hw_type) {
if (gen7_hw_3src_type[i].reg_type == hw_type) {
return i;
}
}
unreachable("not reached");
}
/**
* Convert the hardware representation for a 3-src align1 instruction into a
* brw_reg_type enumeration value.
*/
enum brw_reg_type
brw_a1_hw_3src_type_to_reg_type(const struct gen_device_info *devinfo,
unsigned hw_type, unsigned exec_type)
{
for (enum brw_reg_type i = 0; i <= BRW_REGISTER_TYPE_LAST; i++) {
if (gen10_hw_3src_align1_type[i].reg_type == hw_type &&
gen10_hw_3src_align1_type[i].exec_type == exec_type) {
return i;
}
}

16
src/intel/compiler/brw_reg_type.h
View File

@@ -89,12 +89,20 @@ brw_hw_type_to_reg_type(const struct gen_device_info *devinfo,
enum brw_reg_file file, unsigned hw_type);
unsigned
brw_reg_type_to_hw_3src_type(const struct gen_device_info *devinfo,
enum brw_reg_type type);
brw_reg_type_to_a16_hw_3src_type(const struct gen_device_info *devinfo,
enum brw_reg_type type);
unsigned
brw_reg_type_to_a1_hw_3src_type(const struct gen_device_info *devinfo,
enum brw_reg_type type);
enum brw_reg_type
brw_hw_3src_type_to_reg_type(const struct gen_device_info *devinfo,
unsigned hw_type);
brw_a16_hw_3src_type_to_reg_type(const struct gen_device_info *devinfo,
unsigned hw_type);
enum brw_reg_type
brw_a1_hw_3src_type_to_reg_type(const struct gen_device_info *devinfo,
unsigned hw_type, unsigned exec_type);
unsigned
brw_reg_type_to_size(enum brw_reg_type type);