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Diffstat (limited to 'gcc/hsa.c')
| -rw-r--r-- | gcc/hsa.c | 947 |
1 files changed, 947 insertions, 0 deletions
diff --git a/gcc/hsa.c b/gcc/hsa.c new file mode 100644 index 00000000000..ec23f8126f0 --- /dev/null +++ b/gcc/hsa.c @@ -0,0 +1,947 @@ +/* Implementation of commonly needed HSAIL related functions and methods. + Copyright (C) 2013-2016 Free Software Foundation, Inc. + Contributed by Martin Jambor <mjambor@suse.cz> and + Martin Liska <mliska@suse.cz>. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#include "config.h" +#include "system.h" +#include "coretypes.h" +#include "tm.h" +#include "is-a.h" +#include "hash-set.h" +#include "hash-map.h" +#include "vec.h" +#include "tree.h" +#include "dumpfile.h" +#include "gimple-pretty-print.h" +#include "diagnostic-core.h" +#include "alloc-pool.h" +#include "cgraph.h" +#include "print-tree.h" +#include "stringpool.h" +#include "symbol-summary.h" +#include "hsa.h" +#include "internal-fn.h" +#include "ctype.h" + +/* Structure containing intermediate HSA representation of the generated + function. */ +class hsa_function_representation *hsa_cfun; + +/* Element of the mapping vector between a host decl and an HSA kernel. */ + +struct GTY(()) hsa_decl_kernel_map_element +{ + /* The decl of the host function. */ + tree decl; + /* Name of the HSA kernel in BRIG. */ + char * GTY((skip)) name; + /* Size of OMP data, if the kernel contains a kernel dispatch. */ + unsigned omp_data_size; + /* True if the function is gridified kernel. */ + bool gridified_kernel_p; +}; + +/* Mapping between decls and corresponding HSA kernels in this compilation + unit. */ + +static GTY (()) vec<hsa_decl_kernel_map_element, va_gc> + *hsa_decl_kernel_mapping; + +/* Mapping between decls and corresponding HSA kernels + called by the function. */ +hash_map <tree, vec <const char *> *> *hsa_decl_kernel_dependencies; + +/* Hash function to lookup a symbol for a decl. */ +hash_table <hsa_noop_symbol_hasher> *hsa_global_variable_symbols; + +/* HSA summaries. */ +hsa_summary_t *hsa_summaries = NULL; + +/* HSA number of threads. */ +hsa_symbol *hsa_num_threads = NULL; + +/* HSA function that cannot be expanded to HSAIL. */ +hash_set <tree> *hsa_failed_functions = NULL; + +/* True if compilation unit-wide data are already allocated and initialized. */ +static bool compilation_unit_data_initialized; + +/* Return true if FNDECL represents an HSA-callable function. */ + +bool +hsa_callable_function_p (tree fndecl) +{ + return (lookup_attribute ("omp declare target", DECL_ATTRIBUTES (fndecl)) + && !lookup_attribute ("oacc function", DECL_ATTRIBUTES (fndecl))); +} + +/* Allocate HSA structures that are are used when dealing with different + functions. */ + +void +hsa_init_compilation_unit_data (void) +{ + if (compilation_unit_data_initialized) + return; + + compilation_unit_data_initialized = true; + + hsa_global_variable_symbols = new hash_table <hsa_noop_symbol_hasher> (8); + hsa_failed_functions = new hash_set <tree> (); + hsa_emitted_internal_decls = new hash_table <hsa_internal_fn_hasher> (2); +} + +/* Free data structures that are used when dealing with different + functions. */ + +void +hsa_deinit_compilation_unit_data (void) +{ + gcc_assert (compilation_unit_data_initialized); + + delete hsa_failed_functions; + delete hsa_emitted_internal_decls; + + for (hash_table <hsa_noop_symbol_hasher>::iterator it + = hsa_global_variable_symbols->begin (); + it != hsa_global_variable_symbols->end (); + ++it) + { + hsa_symbol *sym = *it; + delete sym; + } + + delete hsa_global_variable_symbols; + + if (hsa_num_threads) + { + delete hsa_num_threads; + hsa_num_threads = NULL; + } + + compilation_unit_data_initialized = false; +} + +/* Return true if we are generating large HSA machine model. */ + +bool +hsa_machine_large_p (void) +{ + /* FIXME: I suppose this is technically wrong but should work for me now. */ + return (GET_MODE_BITSIZE (Pmode) == 64); +} + +/* Return the HSA profile we are using. */ + +bool +hsa_full_profile_p (void) +{ + return true; +} + +/* Return true if a register in operand number OPNUM of instruction + is an output. False if it is an input. */ + +bool +hsa_insn_basic::op_output_p (unsigned opnum) +{ + switch (m_opcode) + { + case HSA_OPCODE_PHI: + case BRIG_OPCODE_CBR: + case BRIG_OPCODE_SBR: + case BRIG_OPCODE_ST: + case BRIG_OPCODE_SIGNALNORET: + /* FIXME: There are probably missing cases here, double check. */ + return false; + case BRIG_OPCODE_EXPAND: + /* Example: expand_v4_b32_b128 (dest0, dest1, dest2, dest3), src0. */ + return opnum < operand_count () - 1; + default: + return opnum == 0; + } +} + +/* Return true if OPCODE is an floating-point bit instruction opcode. */ + +bool +hsa_opcode_floating_bit_insn_p (BrigOpcode16_t opcode) +{ + switch (opcode) + { + case BRIG_OPCODE_NEG: + case BRIG_OPCODE_ABS: + case BRIG_OPCODE_CLASS: + case BRIG_OPCODE_COPYSIGN: + return true; + default: + return false; + } +} + +/* Return the number of destination operands for this INSN. */ + +unsigned +hsa_insn_basic::input_count () +{ + switch (m_opcode) + { + default: + return 1; + + case BRIG_OPCODE_NOP: + return 0; + + case BRIG_OPCODE_EXPAND: + return 2; + + case BRIG_OPCODE_LD: + /* ld_v[234] not yet handled. */ + return 1; + + case BRIG_OPCODE_ST: + return 0; + + case BRIG_OPCODE_ATOMICNORET: + return 0; + + case BRIG_OPCODE_SIGNAL: + return 1; + + case BRIG_OPCODE_SIGNALNORET: + return 0; + + case BRIG_OPCODE_MEMFENCE: + return 0; + + case BRIG_OPCODE_RDIMAGE: + case BRIG_OPCODE_LDIMAGE: + case BRIG_OPCODE_STIMAGE: + case BRIG_OPCODE_QUERYIMAGE: + case BRIG_OPCODE_QUERYSAMPLER: + sorry ("HSA image ops not handled"); + return 0; + + case BRIG_OPCODE_CBR: + case BRIG_OPCODE_BR: + return 0; + + case BRIG_OPCODE_SBR: + return 0; /* ??? */ + + case BRIG_OPCODE_WAVEBARRIER: + return 0; /* ??? */ + + case BRIG_OPCODE_BARRIER: + case BRIG_OPCODE_ARRIVEFBAR: + case BRIG_OPCODE_INITFBAR: + case BRIG_OPCODE_JOINFBAR: + case BRIG_OPCODE_LEAVEFBAR: + case BRIG_OPCODE_RELEASEFBAR: + case BRIG_OPCODE_WAITFBAR: + return 0; + + case BRIG_OPCODE_LDF: + return 1; + + case BRIG_OPCODE_ACTIVELANECOUNT: + case BRIG_OPCODE_ACTIVELANEID: + case BRIG_OPCODE_ACTIVELANEMASK: + case BRIG_OPCODE_ACTIVELANEPERMUTE: + return 1; /* ??? */ + + case BRIG_OPCODE_CALL: + case BRIG_OPCODE_SCALL: + case BRIG_OPCODE_ICALL: + return 0; + + case BRIG_OPCODE_RET: + return 0; + + case BRIG_OPCODE_ALLOCA: + return 1; + + case BRIG_OPCODE_CLEARDETECTEXCEPT: + return 0; + + case BRIG_OPCODE_SETDETECTEXCEPT: + return 0; + + case BRIG_OPCODE_PACKETCOMPLETIONSIG: + case BRIG_OPCODE_PACKETID: + case BRIG_OPCODE_CASQUEUEWRITEINDEX: + case BRIG_OPCODE_LDQUEUEREADINDEX: + case BRIG_OPCODE_LDQUEUEWRITEINDEX: + case BRIG_OPCODE_STQUEUEREADINDEX: + case BRIG_OPCODE_STQUEUEWRITEINDEX: + return 1; /* ??? */ + + case BRIG_OPCODE_ADDQUEUEWRITEINDEX: + return 1; + + case BRIG_OPCODE_DEBUGTRAP: + return 0; + + case BRIG_OPCODE_GROUPBASEPTR: + case BRIG_OPCODE_KERNARGBASEPTR: + return 1; /* ??? */ + + case HSA_OPCODE_ARG_BLOCK: + return 0; + + case BRIG_KIND_DIRECTIVE_COMMENT: + return 0; + } +} + +/* Return the number of source operands for this INSN. */ + +unsigned +hsa_insn_basic::num_used_ops () +{ + gcc_checking_assert (input_count () <= operand_count ()); + + return operand_count () - input_count (); +} + +/* Set alignment to VALUE. */ + +void +hsa_insn_mem::set_align (BrigAlignment8_t value) +{ + /* TODO: Perhaps remove this dump later on: */ + if (dump_file && (dump_flags & TDF_DETAILS) && value < m_align) + { + fprintf (dump_file, "Decreasing alignment to %u in instruction ", value); + dump_hsa_insn (dump_file, this); + } + m_align = value; +} + +/* Return size of HSA type T in bits. */ + +unsigned +hsa_type_bit_size (BrigType16_t t) +{ + switch (t) + { + case BRIG_TYPE_B1: + return 1; + + case BRIG_TYPE_U8: + case BRIG_TYPE_S8: + case BRIG_TYPE_B8: + return 8; + + case BRIG_TYPE_U16: + case BRIG_TYPE_S16: + case BRIG_TYPE_B16: + case BRIG_TYPE_F16: + return 16; + + case BRIG_TYPE_U32: + case BRIG_TYPE_S32: + case BRIG_TYPE_B32: + case BRIG_TYPE_F32: + case BRIG_TYPE_U8X4: + case BRIG_TYPE_U16X2: + case BRIG_TYPE_S8X4: + case BRIG_TYPE_S16X2: + case BRIG_TYPE_F16X2: + return 32; + + case BRIG_TYPE_U64: + case BRIG_TYPE_S64: + case BRIG_TYPE_F64: + case BRIG_TYPE_B64: + case BRIG_TYPE_U8X8: + case BRIG_TYPE_U16X4: + case BRIG_TYPE_U32X2: + case BRIG_TYPE_S8X8: + case BRIG_TYPE_S16X4: + case BRIG_TYPE_S32X2: + case BRIG_TYPE_F16X4: + case BRIG_TYPE_F32X2: + + return 64; + + case BRIG_TYPE_B128: + case BRIG_TYPE_U8X16: + case BRIG_TYPE_U16X8: + case BRIG_TYPE_U32X4: + case BRIG_TYPE_U64X2: + case BRIG_TYPE_S8X16: + case BRIG_TYPE_S16X8: + case BRIG_TYPE_S32X4: + case BRIG_TYPE_S64X2: + case BRIG_TYPE_F16X8: + case BRIG_TYPE_F32X4: + case BRIG_TYPE_F64X2: + return 128; + + default: + gcc_assert (hsa_seen_error ()); + return t; + } +} + +/* Return BRIG bit-type with BITSIZE length. */ + +BrigType16_t +hsa_bittype_for_bitsize (unsigned bitsize) +{ + switch (bitsize) + { + case 1: + return BRIG_TYPE_B1; + case 8: + return BRIG_TYPE_B8; + case 16: + return BRIG_TYPE_B16; + case 32: + return BRIG_TYPE_B32; + case 64: + return BRIG_TYPE_B64; + case 128: + return BRIG_TYPE_B128; + default: + gcc_unreachable (); + } +} + +/* Return BRIG unsigned int type with BITSIZE length. */ + +BrigType16_t +hsa_uint_for_bitsize (unsigned bitsize) +{ + switch (bitsize) + { + case 8: + return BRIG_TYPE_U8; + case 16: + return BRIG_TYPE_U16; + case 32: + return BRIG_TYPE_U32; + case 64: + return BRIG_TYPE_U64; + default: + gcc_unreachable (); + } +} + +/* Return BRIG float type with BITSIZE length. */ + +BrigType16_t +hsa_float_for_bitsize (unsigned bitsize) +{ + switch (bitsize) + { + case 16: + return BRIG_TYPE_F16; + case 32: + return BRIG_TYPE_F32; + case 64: + return BRIG_TYPE_F64; + default: + gcc_unreachable (); + } +} + +/* Return HSA bit-type with the same size as the type T. */ + +BrigType16_t +hsa_bittype_for_type (BrigType16_t t) +{ + return hsa_bittype_for_bitsize (hsa_type_bit_size (t)); +} + +/* Return true if and only if TYPE is a floating point number type. */ + +bool +hsa_type_float_p (BrigType16_t type) +{ + switch (type & BRIG_TYPE_BASE_MASK) + { + case BRIG_TYPE_F16: + case BRIG_TYPE_F32: + case BRIG_TYPE_F64: + return true; + default: + return false; + } +} + +/* Return true if and only if TYPE is an integer number type. */ + +bool +hsa_type_integer_p (BrigType16_t type) +{ + switch (type & BRIG_TYPE_BASE_MASK) + { + case BRIG_TYPE_U8: + case BRIG_TYPE_U16: + case BRIG_TYPE_U32: + case BRIG_TYPE_U64: + case BRIG_TYPE_S8: + case BRIG_TYPE_S16: + case BRIG_TYPE_S32: + case BRIG_TYPE_S64: + return true; + default: + return false; + } +} + +/* Return true if and only if TYPE is an bit-type. */ + +bool +hsa_btype_p (BrigType16_t type) +{ + switch (type & BRIG_TYPE_BASE_MASK) + { + case BRIG_TYPE_B8: + case BRIG_TYPE_B16: + case BRIG_TYPE_B32: + case BRIG_TYPE_B64: + case BRIG_TYPE_B128: + return true; + default: + return false; + } +} + + +/* Return HSA alignment encoding alignment to N bits. */ + +BrigAlignment8_t +hsa_alignment_encoding (unsigned n) +{ + gcc_assert (n >= 8 && !(n & (n - 1))); + if (n >= 256) + return BRIG_ALIGNMENT_32; + + switch (n) + { + case 8: + return BRIG_ALIGNMENT_1; + case 16: + return BRIG_ALIGNMENT_2; + case 32: + return BRIG_ALIGNMENT_4; + case 64: + return BRIG_ALIGNMENT_8; + case 128: + return BRIG_ALIGNMENT_16; + default: + gcc_unreachable (); + } +} + +/* Return natural alignment of HSA TYPE. */ + +BrigAlignment8_t +hsa_natural_alignment (BrigType16_t type) +{ + return hsa_alignment_encoding (hsa_type_bit_size (type & ~BRIG_TYPE_ARRAY)); +} + +/* Call the correct destructor of a HSA instruction. */ + +void +hsa_destroy_insn (hsa_insn_basic *insn) +{ + if (hsa_insn_phi *phi = dyn_cast <hsa_insn_phi *> (insn)) + phi->~hsa_insn_phi (); + else if (hsa_insn_br *br = dyn_cast <hsa_insn_br *> (insn)) + br->~hsa_insn_br (); + else if (hsa_insn_cmp *cmp = dyn_cast <hsa_insn_cmp *> (insn)) + cmp->~hsa_insn_cmp (); + else if (hsa_insn_mem *mem = dyn_cast <hsa_insn_mem *> (insn)) + mem->~hsa_insn_mem (); + else if (hsa_insn_atomic *atomic = dyn_cast <hsa_insn_atomic *> (insn)) + atomic->~hsa_insn_atomic (); + else if (hsa_insn_seg *seg = dyn_cast <hsa_insn_seg *> (insn)) + seg->~hsa_insn_seg (); + else if (hsa_insn_call *call = dyn_cast <hsa_insn_call *> (insn)) + call->~hsa_insn_call (); + else if (hsa_insn_arg_block *block = dyn_cast <hsa_insn_arg_block *> (insn)) + block->~hsa_insn_arg_block (); + else if (hsa_insn_sbr *sbr = dyn_cast <hsa_insn_sbr *> (insn)) + sbr->~hsa_insn_sbr (); + else if (hsa_insn_comment *comment = dyn_cast <hsa_insn_comment *> (insn)) + comment->~hsa_insn_comment (); + else + insn->~hsa_insn_basic (); +} + +/* Call the correct destructor of a HSA operand. */ + +void +hsa_destroy_operand (hsa_op_base *op) +{ + if (hsa_op_code_list *list = dyn_cast <hsa_op_code_list *> (op)) + list->~hsa_op_code_list (); + else if (hsa_op_operand_list *list = dyn_cast <hsa_op_operand_list *> (op)) + list->~hsa_op_operand_list (); + else if (hsa_op_reg *reg = dyn_cast <hsa_op_reg *> (op)) + reg->~hsa_op_reg (); + else if (hsa_op_immed *immed = dyn_cast <hsa_op_immed *> (op)) + immed->~hsa_op_immed (); + else + op->~hsa_op_base (); +} + +/* Create a mapping between the original function DECL and kernel name NAME. */ + +void +hsa_add_kern_decl_mapping (tree decl, char *name, unsigned omp_data_size, + bool gridified_kernel_p) +{ + hsa_decl_kernel_map_element dkm; + dkm.decl = decl; + dkm.name = name; + dkm.omp_data_size = omp_data_size; + dkm.gridified_kernel_p = gridified_kernel_p; + vec_safe_push (hsa_decl_kernel_mapping, dkm); +} + +/* Return the number of kernel decl name mappings. */ + +unsigned +hsa_get_number_decl_kernel_mappings (void) +{ + return vec_safe_length (hsa_decl_kernel_mapping); +} + +/* Return the decl in the Ith kernel decl name mapping. */ + +tree +hsa_get_decl_kernel_mapping_decl (unsigned i) +{ + return (*hsa_decl_kernel_mapping)[i].decl; +} + +/* Return the name in the Ith kernel decl name mapping. */ + +char * +hsa_get_decl_kernel_mapping_name (unsigned i) +{ + return (*hsa_decl_kernel_mapping)[i].name; +} + +/* Return maximum OMP size for kernel decl name mapping. */ + +unsigned +hsa_get_decl_kernel_mapping_omp_size (unsigned i) +{ + return (*hsa_decl_kernel_mapping)[i].omp_data_size; +} + +/* Return if the function is gridified kernel in decl name mapping. */ + +bool +hsa_get_decl_kernel_mapping_gridified (unsigned i) +{ + return (*hsa_decl_kernel_mapping)[i].gridified_kernel_p; +} + +/* Free the mapping between original decls and kernel names. */ + +void +hsa_free_decl_kernel_mapping (void) +{ + if (hsa_decl_kernel_mapping == NULL) + return; + + for (unsigned i = 0; i < hsa_decl_kernel_mapping->length (); ++i) + free ((*hsa_decl_kernel_mapping)[i].name); + ggc_free (hsa_decl_kernel_mapping); +} + +/* Add new kernel dependency. */ + +void +hsa_add_kernel_dependency (tree caller, const char *called_function) +{ + if (hsa_decl_kernel_dependencies == NULL) + hsa_decl_kernel_dependencies = new hash_map<tree, vec<const char *> *> (); + + vec <const char *> *s = NULL; + vec <const char *> **slot = hsa_decl_kernel_dependencies->get (caller); + if (slot == NULL) + { + s = new vec <const char *> (); + hsa_decl_kernel_dependencies->put (caller, s); + } + else + s = *slot; + + s->safe_push (called_function); +} + +/* Modify the name P in-place so that it is a valid HSA identifier. */ + +void +hsa_sanitize_name (char *p) +{ + for (; *p; p++) + if (*p == '.' || *p == '-') + *p = '_'; +} + +/* Clone the name P, set trailing ampersand and sanitize the name. */ + +char * +hsa_brig_function_name (const char *p) +{ + unsigned len = strlen (p); + char *buf = XNEWVEC (char, len + 2); + + buf[0] = '&'; + buf[len + 1] = '\0'; + memcpy (buf + 1, p, len); + + hsa_sanitize_name (buf); + return buf; +} + +/* Return declaration name if exists. */ + +const char * +hsa_get_declaration_name (tree decl) +{ + if (!DECL_NAME (decl)) + { + char buf[64]; + snprintf (buf, 64, "__hsa_anonymous_%i", DECL_UID (decl)); + const char *ggc_str = ggc_strdup (buf); + return ggc_str; + } + + tree name_tree; + if (TREE_CODE (decl) == FUNCTION_DECL + || (TREE_CODE (decl) == VAR_DECL && is_global_var (decl))) + name_tree = DECL_ASSEMBLER_NAME (decl); + else + name_tree = DECL_NAME (decl); + + const char *name = IDENTIFIER_POINTER (name_tree); + /* User-defined assembly names have prepended asterisk symbol. */ + if (name[0] == '*') + name++; + + return name; +} + +void +hsa_summary_t::link_functions (cgraph_node *gpu, cgraph_node *host, + hsa_function_kind kind, bool gridified_kernel_p) +{ + hsa_function_summary *gpu_summary = get (gpu); + hsa_function_summary *host_summary = get (host); + + gpu_summary->m_kind = kind; + host_summary->m_kind = kind; + + gpu_summary->m_gpu_implementation_p = true; + host_summary->m_gpu_implementation_p = false; + + gpu_summary->m_gridified_kernel_p = gridified_kernel_p; + host_summary->m_gridified_kernel_p = gridified_kernel_p; + + gpu_summary->m_binded_function = host; + host_summary->m_binded_function = gpu; + + tree gdecl = gpu->decl; + DECL_ATTRIBUTES (gdecl) + = tree_cons (get_identifier ("flatten"), NULL_TREE, + DECL_ATTRIBUTES (gdecl)); + + tree fn_opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (gdecl); + if (fn_opts == NULL_TREE) + fn_opts = optimization_default_node; + fn_opts = copy_node (fn_opts); + TREE_OPTIMIZATION (fn_opts)->x_flag_tree_loop_vectorize = false; + TREE_OPTIMIZATION (fn_opts)->x_flag_tree_slp_vectorize = false; + DECL_FUNCTION_SPECIFIC_OPTIMIZATION (gdecl) = fn_opts; +} + +/* Add a HOST function to HSA summaries. */ + +void +hsa_register_kernel (cgraph_node *host) +{ + if (hsa_summaries == NULL) + hsa_summaries = new hsa_summary_t (symtab); + hsa_function_summary *s = hsa_summaries->get (host); + s->m_kind = HSA_KERNEL; +} + +/* Add a pair of functions to HSA summaries. GPU is an HSA implementation of + a HOST function. */ + +void +hsa_register_kernel (cgraph_node *gpu, cgraph_node *host) +{ + if (hsa_summaries == NULL) + hsa_summaries = new hsa_summary_t (symtab); + hsa_summaries->link_functions (gpu, host, HSA_KERNEL, true); +} + +/* Return true if expansion of the current HSA function has already failed. */ + +bool +hsa_seen_error (void) +{ + return hsa_cfun->m_seen_error; +} + +/* Mark current HSA function as failed. */ + +void +hsa_fail_cfun (void) +{ + hsa_failed_functions->add (hsa_cfun->m_decl); + hsa_cfun->m_seen_error = true; +} + +char * +hsa_internal_fn::name () +{ + char *name = xstrdup (internal_fn_name (m_fn)); + for (char *ptr = name; *ptr; ptr++) + *ptr = TOLOWER (*ptr); + + const char *suffix = NULL; + if (m_type_bit_size == 32) + suffix = "f"; + + if (suffix) + { + char *name2 = concat (name, suffix, NULL); + free (name); + name = name2; + } + + hsa_sanitize_name (name); + return name; +} + +unsigned +hsa_internal_fn::get_arity () +{ + switch (m_fn) + { + case IFN_ACOS: + case IFN_ASIN: + case IFN_ATAN: + case IFN_COS: + case IFN_EXP: + case IFN_EXP10: + case IFN_EXP2: + case IFN_EXPM1: + case IFN_LOG: + case IFN_LOG10: + case IFN_LOG1P: + case IFN_LOG2: + case IFN_LOGB: + case IFN_SIGNIFICAND: + case IFN_SIN: + case IFN_SQRT: + case IFN_TAN: + case IFN_CEIL: + case IFN_FLOOR: + case IFN_NEARBYINT: + case IFN_RINT: + case IFN_ROUND: + case IFN_TRUNC: + return 1; + case IFN_ATAN2: + case IFN_COPYSIGN: + case IFN_FMOD: + case IFN_POW: + case IFN_REMAINDER: + case IFN_SCALB: + case IFN_LDEXP: + return 2; + break; + case IFN_CLRSB: + case IFN_CLZ: + case IFN_CTZ: + case IFN_FFS: + case IFN_PARITY: + case IFN_POPCOUNT: + default: + /* As we produce sorry message for unknown internal functions, + reaching this label is definitely a bug. */ + gcc_unreachable (); + } +} + +BrigType16_t +hsa_internal_fn::get_argument_type (int n) +{ + switch (m_fn) + { + case IFN_ACOS: + case IFN_ASIN: + case IFN_ATAN: + case IFN_COS: + case IFN_EXP: + case IFN_EXP10: + case IFN_EXP2: + case IFN_EXPM1: + case IFN_LOG: + case IFN_LOG10: + case IFN_LOG1P: + case IFN_LOG2: + case IFN_LOGB: + case IFN_SIGNIFICAND: + case IFN_SIN: + case IFN_SQRT: + case IFN_TAN: + case IFN_CEIL: + case IFN_FLOOR: + case IFN_NEARBYINT: + case IFN_RINT: + case IFN_ROUND: + case IFN_TRUNC: + case IFN_ATAN2: + case IFN_COPYSIGN: + case IFN_FMOD: + case IFN_POW: + case IFN_REMAINDER: + case IFN_SCALB: + return hsa_float_for_bitsize (m_type_bit_size); + case IFN_LDEXP: + { + if (n == -1 || n == 0) + return hsa_float_for_bitsize (m_type_bit_size); + else + return BRIG_TYPE_S32; + } + default: + /* As we produce sorry message for unknown internal functions, + reaching this label is definitely a bug. */ + gcc_unreachable (); + } +} + +#include "gt-hsa.h" |