From ee5fd23a481f510528e00f4c988ed0e6a71218c2 Mon Sep 17 00:00:00 2001
From: Michael Meissner <meissner@linux.vnet.ibm.com>
Date: Fri, 27 Oct 2017 18:15:38 +0000
Subject: builtins.c (CASE_MATHFN_FLOATN): New helper macro to add cases for
 math functions that have _Float<N> and...

[gcc]
2017-10-27  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* builtins.c (CASE_MATHFN_FLOATN): New helper macro to add cases
	for math functions that have _Float<N> and _Float<N>X variants.
	(mathfn_built_in_2): Add support for math functions that have
	_Float<N> and _Float<N>X variants.
	(DEF_INTERNAL_FLT_FLOATN_FN): New helper macro.
	(expand_builtin_mathfn_ternary): Add support for fma with
	_Float<N> and _Float<N>X variants.
	(expand_builtin): Likewise.
	(fold_builtin_3): Likewise.
	* builtins.def (DEF_EXT_LIB_FLOATN_NX_BUILTINS): New macro to
	create math function _Float<N> and _Float<N>X variants as external
	library builtins.
	(BUILT_IN_COPYSIGN _Float<N> and _Float<N>X variants) Use
	DEF_EXT_LIB_FLOATN_NX_BUILTINS to make built-in functions using
	the __builtin_ prefix and if not strict ansi, without the prefix.
	(BUILT_IN_FABS _Float<N> and _Float<N>X variants): Likewise.
	(BUILT_IN_FMA _Float<N> and _Float<N>X variants): Likewise.
	(BUILT_IN_FMAX _Float<N> and _Float<N>X variants): Likewise.
	(BUILT_IN_FMIN _Float<N> and _Float<N>X variants): Likewise.
	(BUILT_IN_NAN _Float<N> and _Float<N>X variants): Likewise.
	(BUILT_IN_SQRT _Float<N> and _Float<N>X variants): Likewise.
	* builtin-types.def (BT_FN_FLOAT16_FLOAT16_FLOAT16_FLOAT16): New
	function signatures for fma _Float<N> and _Float<N>X variants.
	(BT_FN_FLOAT32_FLOAT32_FLOAT32_FLOAT32): Likewise.
	(BT_FN_FLOAT64_FLOAT64_FLOAT64_FLOAT64): Likewise.
	(BT_FN_FLOAT128_FLOAT128_FLOAT128_FLOAT128): Likewise.
	(BT_FN_FLOAT32X_FLOAT32X_FLOAT32X_FLOAT32X): Likewise.
	(BT_FN_FLOAT64X_FLOAT64X_FLOAT64X_FLOAT64X): Likewise.
	(BT_FN_FLOAT128X_FLOAT128X_FLOAT128X_FLOAT128X): Likewise.
	* gencfn-macros.c (print_case_cfn): Add support for math functions
	that have _Float<N> and _Float<N>X variants.
	(print_define_operator_list): Likewise.
	(fltfn_suffixes): Likewise.
	(main): Likewise.
	* internal-fn.def (DEF_INTERNAL_FLT_FLOATN_FN): New helper macro
	for math functions that have _Float<N> and _Float<N>X variants.
	(SQRT): Add support for sqrt, copysign, fmin and fmax _Float<N>
	and _Float<N>X variants.
	(COPYSIGN): Likewise.
	(FMIN): Likewise.
	(FMAX): Likewise.
	* fold-const.c (tree_call_nonnegative_warnv_p): Add support for
	copysign, fma, fmax, fmin, and sqrt _Float<N> and _Float<N>X
	variants.
	(integer_valued_read_call_p): Likewise.
	* fold-const-call.c (fold_const_call_ss): Likewise.
	(fold_const_call_sss): Add support for copysign, fmin, and fmax
	_Float<N> and _Float<N>X variants.
	(fold_const_call_ssss): Add support for fma _Float<N> and
	_Float<N>X variants.
	* gimple-ssa-backprop.c (backprop::process_builtin_call_use): Add
	support for copysign and fma _Float<N> and _Float<N>X variants.
	(backprop::process_builtin_call_use): Likewise.
	* tree-call-cdce.c (can_test_argument_range); Add support for
	sqrt _Float<N> and _Float<N>X variants.
	(edom_only_function): Likewise.
	(get_no_error_domain): Likewise.
	* tree-ssa-math-opts.c (internal_fn_reciprocal): Likewise.
	* tree-ssa-reassoc.c (attempt_builtin_copysign): Add support for
	copysign _Float<N> and _Float<N>X variants.
	* config/rs6000/rs6000-builtin.def (SQRTF128): Delete, this is now
	handled by machine independent code.
	(FMAF128): Likewise.
	* doc/cpp.texi (Common Predefined Macros): Document defining
	__FP_FAST_FMAF<N> and __FP_FAST_FMAF<N>X if the backend supports
	fma _Float<N> and _Float<N>X variants.

[gcc/c]
2017-10-27  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* c-decl.c (header_for_builtin_fn): Add support for copysign, fma,
	fmax, fmin, and sqrt _Float<N> and _Float<N>X variants.

[gcc/c-family]
2017-10-27  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* c-cppbuiltin.c (mode_has_fma): Add support for PowerPC KFmode.
	(c_cpp_builtins): If a machine has a fast fma _Float<N> and
	_Float<N>X variant, define __FP_FAST_FMA<N> and/or
	__FP_FAST_FMA<N>X.

[gcc/testsuite]
2017-10-27  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* gcc.target/powerpc/float128-hw.c: Add support for all 4 FMA
	variants.  Check various conversions to/from float128.  Check
	negation.  Use {\m...\M} in the tests.
	* gcc.target/powerpc/float128-hw2.c: New test for implicit
	_Float128 math functions.
	* gcc.target/powerpc/float128-hw3.c: New test for strict ansi mode
	not implicitly adding the _Float128 math functions.
	* gcc.target/powerpc/float128-fma2.c: Delete, test is no longer
	valid.
	* gcc.target/powerpc/float128-sqrt2.c: Likewise.

From-SVN: r254168
---
 gcc/tree-ssa-reassoc.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'gcc/tree-ssa-reassoc.c')

diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c
index cb438c7..5e8cac6 100644
--- a/gcc/tree-ssa-reassoc.c
+++ b/gcc/tree-ssa-reassoc.c
@@ -5625,6 +5625,7 @@ attempt_builtin_copysign (vec<operand_entry *> *ops)
 	      switch (gimple_call_combined_fn (old_call))
 		{
 		CASE_CFN_COPYSIGN:
+		CASE_CFN_COPYSIGN_FN:
 		  arg0 = gimple_call_arg (old_call, 0);
 		  arg1 = gimple_call_arg (old_call, 1);
 		  /* The first argument of copysign must be a constant,
-- 
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