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HSA: implement DIVMOD internal function call 

2017-01-05  Martin Liska  <mliska@suse.cz>

	* hsa-gen.c (gen_hsa_divmod): New function.
	(gen_hsa_insn_for_internal_fn_call): Use the function
	for IFN_DIVMOD.

From-SVN: r244104
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Martin Liska 2017-01-05 15:25:06 +01:00 committed by Martin Liska
parent cd445b543c
commit 38a49b3cd9
2 changed files with 44 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-01-05 Martin Liska <mliska@suse.cz>
* hsa-gen.c (gen_hsa_divmod): New function.
(gen_hsa_insn_for_internal_fn_call): Use the function
for IFN_DIVMOD.
2017-01-05 Martin Liska <mliska@suse.cz>
PR pch/78970

38
gcc/hsa-gen.c
View File

@ -4345,6 +4345,40 @@ gen_hsa_popcount (gcall *call, hsa_bb *hbb)
gen_hsa_popcount_to_dest (dest, arg, hbb);
}
/* Emit instructions that implement DIVMOD builtin STMT.
Instructions are appended to basic block HBB. */
static void
gen_hsa_divmod (gcall *call, hsa_bb *hbb)
{
tree lhs = gimple_call_lhs (call);
if (lhs == NULL_TREE)
return;
tree rhs0 = gimple_call_arg (call, 0);
tree rhs1 = gimple_call_arg (call, 1);
hsa_op_with_type *arg0 = hsa_reg_or_immed_for_gimple_op (rhs0, hbb);
hsa_op_with_type *arg1 = hsa_reg_or_immed_for_gimple_op (rhs1, hbb);
hsa_op_reg *dest0 = new hsa_op_reg (arg0->m_type);
hsa_op_reg *dest1 = new hsa_op_reg (arg1->m_type);
hsa_insn_basic *insn = new hsa_insn_basic (3, BRIG_OPCODE_DIV, dest0->m_type,
dest0, arg0, arg1);
hbb->append_insn (insn);
insn = new hsa_insn_basic (3, BRIG_OPCODE_REM, dest1->m_type, dest1, arg0,
arg1);
hbb->append_insn (insn);
hsa_op_reg *dest = hsa_cfun->reg_for_gimple_ssa (lhs);
BrigType16_t src_type = hsa_bittype_for_type (dest0->m_type);
insn = new hsa_insn_packed (3, BRIG_OPCODE_COMBINE, dest->m_type,
src_type, dest, dest0, dest1);
hbb->append_insn (insn);
}
/* Set VALUE to a shadow kernel debug argument and append a new instruction
to HBB basic block. */
@ -5050,6 +5084,10 @@ gen_hsa_insn_for_internal_fn_call (gcall *stmt, hsa_bb *hbb)
gen_hsa_popcount (stmt, hbb);
break;
case IFN_DIVMOD:
gen_hsa_divmod (stmt, hbb);
break;
case IFN_ACOS:
case IFN_ASIN:
case IFN_ATAN: