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intel/compiler: Add Gen11 register types

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The hardware register types' encodings have changed on Gen11. Good thing
we have that superfluous looking brw_reg_type abstraction lying around!

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Matt Turner
2017-08-25 09:50:29 -07:00
parent bb428454a9
commit 58611ff913
1 changed files with 65 additions and 8 deletions
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73
src/intel/compiler/brw_reg_type.c
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@@ -40,6 +40,18 @@ enum hw_reg_type {
BRW_HW_REG_TYPE_B = 5,
GEN7_HW_REG_TYPE_DF = 6,
GEN8_HW_REG_TYPE_HF = 10,
GEN11_HW_REG_TYPE_UD = 0,
GEN11_HW_REG_TYPE_D = 1,
GEN11_HW_REG_TYPE_UW = 2,
GEN11_HW_REG_TYPE_W = 3,
GEN11_HW_REG_TYPE_UB = 4,
GEN11_HW_REG_TYPE_B = 5,
GEN11_HW_REG_TYPE_UQ = 6,
GEN11_HW_REG_TYPE_Q = 7,
GEN11_HW_REG_TYPE_HF = 8,
GEN11_HW_REG_TYPE_F = 9,
GEN11_HW_REG_TYPE_DF = 10,
};
enum hw_imm_type {
@@ -56,9 +68,22 @@ enum hw_imm_type {
BRW_HW_IMM_TYPE_V = 6,
GEN8_HW_IMM_TYPE_DF = 10,
GEN8_HW_IMM_TYPE_HF = 11,
GEN11_HW_IMM_TYPE_UD = 0,
GEN11_HW_IMM_TYPE_D = 1,
GEN11_HW_IMM_TYPE_UW = 2,
GEN11_HW_IMM_TYPE_W = 3,
GEN11_HW_IMM_TYPE_UV = 4,
GEN11_HW_IMM_TYPE_V = 5,
GEN11_HW_IMM_TYPE_UQ = 6,
GEN11_HW_IMM_TYPE_Q = 7,
GEN11_HW_IMM_TYPE_HF = 8,
GEN11_HW_IMM_TYPE_F = 9,
GEN11_HW_IMM_TYPE_DF = 10,
GEN11_HW_IMM_TYPE_VF = 11,
};
static const struct {
static const struct hw_type {
enum hw_reg_type reg_type;
enum hw_imm_type imm_type;
} gen4_hw_type[] = {
@@ -77,6 +102,22 @@ static const struct {
[BRW_REGISTER_TYPE_UB] = { BRW_HW_REG_TYPE_UB, INVALID },
[BRW_REGISTER_TYPE_V] = { INVALID, BRW_HW_IMM_TYPE_V },
[BRW_REGISTER_TYPE_UV] = { INVALID, BRW_HW_IMM_TYPE_UV },
}, gen11_hw_type[] = {
[BRW_REGISTER_TYPE_DF] = { GEN11_HW_REG_TYPE_DF, GEN11_HW_IMM_TYPE_DF },
[BRW_REGISTER_TYPE_F] = { GEN11_HW_REG_TYPE_F, GEN11_HW_IMM_TYPE_F },
[BRW_REGISTER_TYPE_HF] = { GEN11_HW_REG_TYPE_HF, GEN11_HW_IMM_TYPE_HF },
[BRW_REGISTER_TYPE_VF] = { INVALID, GEN11_HW_IMM_TYPE_VF },
[BRW_REGISTER_TYPE_Q] = { GEN11_HW_REG_TYPE_Q, GEN11_HW_IMM_TYPE_Q },
[BRW_REGISTER_TYPE_UQ] = { GEN11_HW_REG_TYPE_UQ, GEN11_HW_IMM_TYPE_UQ },
[BRW_REGISTER_TYPE_D] = { GEN11_HW_REG_TYPE_D, GEN11_HW_IMM_TYPE_D },
[BRW_REGISTER_TYPE_UD] = { GEN11_HW_REG_TYPE_UD, GEN11_HW_IMM_TYPE_UD },
[BRW_REGISTER_TYPE_W] = { GEN11_HW_REG_TYPE_W, GEN11_HW_IMM_TYPE_W },
[BRW_REGISTER_TYPE_UW] = { GEN11_HW_REG_TYPE_UW, GEN11_HW_IMM_TYPE_UW },
[BRW_REGISTER_TYPE_B] = { GEN11_HW_REG_TYPE_B, INVALID },
[BRW_REGISTER_TYPE_UB] = { GEN11_HW_REG_TYPE_UB, INVALID },
[BRW_REGISTER_TYPE_V] = { INVALID, GEN11_HW_IMM_TYPE_V },
[BRW_REGISTER_TYPE_UV] = { INVALID, GEN11_HW_IMM_TYPE_UV },
};
/* SNB adds 3-src instructions (MAD and LRP) that only operate on floats, so
@@ -147,14 +188,22 @@ brw_reg_type_to_hw_type(const struct gen_device_info *devinfo,
enum brw_reg_file file,
enum brw_reg_type type)
{
assert(type < ARRAY_SIZE(gen4_hw_type));
const struct hw_type *table;
if (devinfo->gen >= 11) {
assert(type < ARRAY_SIZE(gen11_hw_type));
table = gen11_hw_type;
} else {
assert(type < ARRAY_SIZE(gen4_hw_type));
table = gen4_hw_type;
}
if (file == BRW_IMMEDIATE_VALUE) {
assert(gen4_hw_type[type].imm_type != (enum hw_imm_type)INVALID);
return gen4_hw_type[type].imm_type;
assert(table[type].imm_type != (enum hw_imm_type)INVALID);
return table[type].imm_type;
} else {
assert(gen4_hw_type[type].reg_type != (enum hw_reg_type)INVALID);
return gen4_hw_type[type].reg_type;
assert(table[type].reg_type != (enum hw_reg_type)INVALID);
return table[type].reg_type;
}
}
@@ -167,15 +216,23 @@ enum brw_reg_type
brw_hw_type_to_reg_type(const struct gen_device_info *devinfo,
enum brw_reg_file file, unsigned hw_type)
{
const struct hw_type *table;
if (devinfo->gen >= 11) {
table = gen11_hw_type;
} else {
table = gen4_hw_type;
}
if (file == BRW_IMMEDIATE_VALUE) {
for (enum brw_reg_type i = 0; i <= BRW_REGISTER_TYPE_LAST; i++) {
if (gen4_hw_type[i].imm_type == (enum hw_imm_type)hw_type) {
if (table[i].imm_type == (enum hw_imm_type)hw_type) {
return i;
}
}
} else {
for (enum brw_reg_type i = 0; i <= BRW_REGISTER_TYPE_LAST; i++) {
if (gen4_hw_type[i].reg_type == (enum hw_reg_type)hw_type) {
if (table[i].reg_type == (enum hw_reg_type)hw_type) {
return i;
}
}