procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

poly_int: brig vector elements

Browse source 
This patch adds a brig-specific wrapper around TYPE_VECTOR_SUBPARTS,
since presumably it will never need to support variable vector lengths.

2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
	    Alan Hayward  <alan.hayward@arm.com>
	    David Sherwood  <david.sherwood@arm.com>

gcc/brig/
	* brigfrontend/brig-util.h (gccbrig_type_vector_subparts): New
	function.
	* brigfrontend/brig-basic-inst-handler.cc
	(brig_basic_inst_handler::build_shuffle): Use it instead of
	TYPE_VECTOR_SUBPARTS.
	(brig_basic_inst_handler::build_unpack): Likewise.
	(brig_basic_inst_handler::build_pack): Likewise.
	(brig_basic_inst_handler::build_unpack_lo_or_hi): Likewise.
	(brig_basic_inst_handler::operator ()): Likewise.
	(brig_basic_inst_handler::build_lower_element_broadcast): Likewise.
	* brigfrontend/brig-code-entry-handler.cc
	(brig_code_entry_handler::get_tree_cst_for_hsa_operand): Likewise.
	(brig_code_entry_handler::get_comparison_result_type): Likewise.
	(brig_code_entry_handler::expand_or_call_builtin): Likewise.

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>

From-SVN: r256144
This commit is contained in:
Richard Sandiford 2018-01-03 07:17:00 +00:00 • committed by Richard Sandiford
parent 22afc2b31b
commit e112bba2fc
4 changed files with 49 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
gcc/brig/ChangeLog
View file

@ -1,3 +1,22 @@
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* brigfrontend/brig-util.h (gccbrig_type_vector_subparts): New
function.
* brigfrontend/brig-basic-inst-handler.cc
(brig_basic_inst_handler::build_shuffle): Use it instead of
TYPE_VECTOR_SUBPARTS.
(brig_basic_inst_handler::build_unpack): Likewise.
(brig_basic_inst_handler::build_pack): Likewise.
(brig_basic_inst_handler::build_unpack_lo_or_hi): Likewise.
(brig_basic_inst_handler::operator ()): Likewise.
(brig_basic_inst_handler::build_lower_element_broadcast): Likewise.
* brigfrontend/brig-code-entry-handler.cc
(brig_code_entry_handler::get_tree_cst_for_hsa_operand): Likewise.
(brig_code_entry_handler::get_comparison_result_type): Likewise.
(brig_code_entry_handler::expand_or_call_builtin): Likewise.
2017-12-15 Jakub Jelinek <jakub@redhat.com>
* brig-lang.c (brig_attribute_table): Swap affects_type_identity

32
gcc/brig/brigfrontend/brig-basic-inst-handler.cc
View file

@ -97,9 +97,10 @@ brig_basic_inst_handler::build_shuffle (tree arith_type,
output elements can originate from any input element. */
vec<constructor_elt, va_gc> *mask_offset_vals = NULL;
unsigned int element_count = gccbrig_type_vector_subparts (arith_type);
vec<constructor_elt, va_gc> *input_mask_vals = NULL;
size_t input_mask_element_size
= exact_log2 (TYPE_VECTOR_SUBPARTS (arith_type));
size_t input_mask_element_size = exact_log2 (element_count);
/* Unpack the tightly packed mask elements to BIT_FIELD_REFs
from which to construct the mask vector as understood by
@ -109,7 +110,7 @@ brig_basic_inst_handler::build_shuffle (tree arith_type,
tree mask_element_type
= build_nonstandard_integer_type (input_mask_element_size, true);
for (size_t i = 0; i < TYPE_VECTOR_SUBPARTS (arith_type); ++i)
for (size_t i = 0; i < element_count; ++i)
{
tree mask_element
= build3 (BIT_FIELD_REF, mask_element_type, mask_operand,
@ -119,17 +120,15 @@ brig_basic_inst_handler::build_shuffle (tree arith_type,
mask_element = convert (element_type, mask_element);
tree offset;
if (i < TYPE_VECTOR_SUBPARTS (arith_type) / 2)
if (i < element_count / 2)
offset = build_int_cst (element_type, 0);
else
offset
= build_int_cst (element_type, TYPE_VECTOR_SUBPARTS (arith_type));
offset = build_int_cst (element_type, element_count);
CONSTRUCTOR_APPEND_ELT (mask_offset_vals, NULL_TREE, offset);
CONSTRUCTOR_APPEND_ELT (input_mask_vals, NULL_TREE, mask_element);
}
tree mask_vec_type
= build_vector_type (element_type, TYPE_VECTOR_SUBPARTS (arith_type));
tree mask_vec_type = build_vector_type (element_type, element_count);
tree mask_vec = build_constructor (mask_vec_type, input_mask_vals);
tree offset_vec = build_constructor (mask_vec_type, mask_offset_vals);
@ -158,7 +157,8 @@ brig_basic_inst_handler::build_unpack (tree_stl_vec &operands)
vec<constructor_elt, va_gc> *input_mask_vals = NULL;
vec<constructor_elt, va_gc> *and_mask_vals = NULL;
size_t element_count = TYPE_VECTOR_SUBPARTS (TREE_TYPE (operands[0]));
size_t element_count
= gccbrig_type_vector_subparts (TREE_TYPE (operands[0]));
tree vec_type = build_vector_type (element_type, element_count);
for (size_t i = 0; i < element_count; ++i)
@ -214,7 +214,7 @@ brig_basic_inst_handler::build_pack (tree_stl_vec &operands)
TODO: Reuse this for implementing 'bitinsert'
without a builtin call. */
size_t ecount = TYPE_VECTOR_SUBPARTS (TREE_TYPE (operands[0]));
size_t ecount = gccbrig_type_vector_subparts (TREE_TYPE (operands[0]));
size_t vecsize = int_size_in_bytes (TREE_TYPE (operands[0])) * BITS_PER_UNIT;
tree wide_type = build_nonstandard_integer_type (vecsize, 1);
@ -276,9 +276,10 @@ brig_basic_inst_handler::build_unpack_lo_or_hi (BrigOpcode16_t brig_opcode,
{
tree element_type = get_unsigned_int_type (TREE_TYPE (arith_type));
tree mask_vec_type
= build_vector_type (element_type, TYPE_VECTOR_SUBPARTS (arith_type));
= build_vector_type (element_type,
gccbrig_type_vector_subparts (arith_type));
size_t element_count = TYPE_VECTOR_SUBPARTS (arith_type);
size_t element_count = gccbrig_type_vector_subparts (arith_type);
vec<constructor_elt, va_gc> *input_mask_vals = NULL;
size_t offset = (brig_opcode == BRIG_OPCODE_UNPACKLO) ? 0 : element_count / 2;
@ -601,8 +602,8 @@ brig_basic_inst_handler::operator () (const BrigBase *base)
}
size_t promoted_type_size = int_size_in_bytes (promoted_type) * 8;
for (size_t i = 0; i < TYPE_VECTOR_SUBPARTS (arith_type); ++i)
size_t element_count = gccbrig_type_vector_subparts (arith_type);
for (size_t i = 0; i < element_count; ++i)
{
tree operand0 = convert (promoted_type, operand0_elements.at (i));
tree operand1 = convert (promoted_type, operand1_elements.at (i));
@ -709,7 +710,8 @@ brig_basic_inst_handler::build_lower_element_broadcast (tree vec_operand)
tree element_type = TREE_TYPE (TREE_TYPE (vec_operand));
size_t esize = 8 * int_size_in_bytes (element_type);
size_t element_count = TYPE_VECTOR_SUBPARTS (TREE_TYPE (vec_operand));
size_t element_count
= gccbrig_type_vector_subparts (TREE_TYPE (vec_operand));
tree mask_inner_type = build_nonstandard_integer_type (esize, 1);
vec<constructor_elt, va_gc> *constructor_vals = NULL;

8
gcc/brig/brigfrontend/brig-code-entry-handler.cc
View file

@ -638,7 +638,8 @@ brig_code_entry_handler::get_tree_cst_for_hsa_operand
{
/* In case of vector type elements (or sole vectors),
create a vector ctor. */
size_t element_count = TYPE_VECTOR_SUBPARTS (tree_element_type);
size_t element_count
= gccbrig_type_vector_subparts (tree_element_type);
if (bytes_left < scalar_element_size * element_count)
fatal_error (UNKNOWN_LOCATION,
"Not enough bytes left for the initializer "
@ -841,7 +842,7 @@ brig_code_entry_handler::get_comparison_result_type (tree source_type)
size_t element_size = int_size_in_bytes (TREE_TYPE (source_type));
return build_vector_type
(build_nonstandard_boolean_type (element_size * BITS_PER_UNIT),
TYPE_VECTOR_SUBPARTS (source_type));
gccbrig_type_vector_subparts (source_type));
}
else
return gccbrig_tree_type_for_hsa_type (BRIG_TYPE_B1);
@ -946,7 +947,8 @@ brig_code_entry_handler::expand_or_call_builtin (BrigOpcode16_t brig_opcode,
tree_stl_vec result_elements;
for (size_t i = 0; i < TYPE_VECTOR_SUBPARTS (arith_type); ++i)
size_t element_count = gccbrig_type_vector_subparts (arith_type);
for (size_t i = 0; i < element_count; ++i)
{
tree_stl_vec call_operands;
if (operand0_elements.size () > 0)

8
gcc/brig/brigfrontend/brig-util.h
View file

@ -107,4 +107,12 @@ std::string gccbrig_hsa_reg_name_from_id (size_t reg_hash);
void gccbrig_print_reg_use_info (FILE *dump, const regs_use_index &info);
/* Return the number of elements in a VECTOR_TYPE. BRIG does not support
variable-length vectors. */
inline unsigned HOST_WIDE_INT
gccbrig_type_vector_subparts (const_tree type)
{
return TYPE_VECTOR_SUBPARTS (type);
}
#endif