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From-SVN: r256169
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For the testcase in the patch:
unsigned long
f2 (unsigned long a, int b)
{
unsigned long x = 1UL << b;
return a / x;
}
We currently generate an unsigned division and a left shift, where
we could instead generate a right shift.
gcc/
2017-06-21 James Greenhalgh <james.greenhalgh@arm.com>
* match.pd (A / (1 << B) -> A >> B): New.
* generic-match-head.c: Include optabs-tree.h.
* gimple-match-head.c: Likewise.
* optabs-tree.h (target_supports_op_p): New.
* optabs-tree.c (target_supports_op_p): New.
gcc/testsuite/
2017-06-21 James Greenhalgh <james.greenhalgh@arm.com>
* gcc.dg/tree-ssa/forwprop-37.c: New.
From-SVN: r249502
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From-SVN: r243994
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PR target/78102
* optabs.def (vcondeq_optab, vec_cmpeq_optab): New optabs.
* optabs.c (expand_vec_cond_expr): For comparison codes
EQ_EXPR and NE_EXPR, attempt vcondeq_optab as fallback.
(expand_vec_cmp_expr): For comparison codes
EQ_EXPR and NE_EXPR, attempt vec_cmpeq_optab as fallback.
* optabs-tree.h (expand_vec_cmp_expr_p, expand_vec_cond_expr_p):
Add enum tree_code argument.
* optabs-query.h (get_vec_cmp_eq_icode, get_vcond_eq_icode): New
inline functions.
* optabs-tree.c (expand_vec_cmp_expr_p): Add CODE argument. For
CODE EQ_EXPR or NE_EXPR, attempt to use vec_cmpeq_optab as
fallback.
(expand_vec_cond_expr_p): Add CODE argument. For CODE EQ_EXPR or
NE_EXPR, attempt to use vcondeq_optab as fallback.
* tree-vect-generic.c (expand_vector_comparison,
expand_vector_divmod, expand_vector_condition): Adjust
expand_vec_cmp_expr_p and expand_vec_cond_expr_p callers.
* tree-vect-stmts.c (vectorizable_condition,
vectorizable_comparison): Likewise.
* tree-vect-patterns.c (vect_recog_mixed_size_cond_pattern,
check_bool_pattern, search_type_for_mask_1): Likewise.
* expr.c (do_store_flag): Likewise.
* doc/md.texi (@code{vec_cmpeq@var{m}@var{n}},
@code{vcondeq@var{m}@var{n}}): Document.
* config/i386/sse.md (vec_cmpeqv2div2di, vcondeq<VI8F_128:mode>v2di):
New expanders.
testsuite/
* gcc.target/i386/pr78102.c: New test.
From-SVN: r241525
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* doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
reduc_uplus_@var{m}): Remove.
* expr.c (expand_expr_real_2): Remove expansion path for
reduc_[us](min|max|plus) optabs.
* optabs-tree.c (scalar_reduc_to_vector): Remove.
* optabs-tree.h (scalar_reduc_to_vector): Remove.
* optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
* tree-vect-loop.c (vectorizable_reduction): Remove test for
reduc_[us](min|max|plus) optabs.
From-SVN: r232373
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From-SVN: r232055
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gcc/
* expr.c (do_store_flag): Use expand_vec_cmp_expr for mask results.
(const_vector_mask_from_tree): New.
(const_vector_from_tree): Use const_vector_mask_from_tree
for boolean vectors.
* optabs-query.h (get_vec_cmp_icode): New.
* optabs-tree.c (expand_vec_cmp_expr_p): New.
* optabs-tree.h (expand_vec_cmp_expr_p): New.
* optabs.c (vector_compare_rtx): Add OPNO arg.
(expand_vec_cond_expr): Adjust to vector_compare_rtx change.
(expand_vec_cmp_expr): New.
* optabs.def (vec_cmp_optab): New.
(vec_cmpu_optab): New.
* optabs.h (expand_vec_cmp_expr): New.
* tree-vect-generic.c (expand_vector_comparison): Add vector
comparison optabs check.
* tree-vect-loop.c (vect_determine_vectorization_factor): Ignore mask
operations for VF. Add mask type computation.
* tree-vect-stmts.c (get_mask_type_for_scalar_type): New.
(vectorizable_comparison): New.
(vect_analyze_stmt): Add vectorizable_comparison.
(vect_transform_stmt): Likewise.
(vect_init_vector): Support boolean vector invariants.
(vect_get_vec_def_for_operand): Add VECTYPE arg.
(vectorizable_condition): Directly provide vectype for invariants
used in comparison.
* tree-vectorizer.h (get_mask_type_for_scalar_type): New.
(enum vect_var_kind): Add vect_mask_var.
(enum stmt_vec_info_type): Add comparison_vec_info_type.
(vectorizable_comparison): New.
(vect_get_vec_def_for_operand): Add VECTYPE arg.
* tree-vect-data-refs.c (vect_get_new_vect_var): Support vect_mask_var.
(vect_create_destination_var): Likewise.
* tree-vect-patterns.c (check_bool_pattern): Check fails
if we can vectorize comparison directly.
(search_type_for_mask): New.
(vect_recog_bool_pattern): Support cases when bool pattern
check fails.
* tree-vect-slp.c (vect_build_slp_tree_1): Allow
comparison statements.
(vect_get_constant_vectors): Support boolean vector
constants.
* config/i386/i386-protos.h (ix86_expand_mask_vec_cmp): New.
(ix86_expand_int_vec_cmp): New.
(ix86_expand_fp_vec_cmp): New.
* config/i386/i386.c (ix86_expand_sse_cmp): Allow NULL for
op_true and op_false.
(ix86_int_cmp_code_to_pcmp_immediate): New.
(ix86_fp_cmp_code_to_pcmp_immediate): New.
(ix86_cmp_code_to_pcmp_immediate): New.
(ix86_expand_mask_vec_cmp): New.
(ix86_expand_fp_vec_cmp): New.
(ix86_expand_int_sse_cmp): New.
(ix86_expand_int_vcond): Use ix86_expand_int_sse_cmp.
(ix86_expand_int_vec_cmp): New.
(ix86_get_mask_mode): New.
(TARGET_VECTORIZE_GET_MASK_MODE): New.
* config/i386/sse.md (avx512fmaskmodelower): New.
(vec_cmp<mode><avx512fmaskmodelower>): New.
(vec_cmp<mode><sseintvecmodelower>): New.
(vec_cmpv2div2di): New.
(vec_cmpu<mode><avx512fmaskmodelower>): New.
(vec_cmpu<mode><sseintvecmodelower>): New.
(vec_cmpuv2div2di): New.
gcc/testsuite/
* gcc.dg/vect/slp-cond-5.c: New test.
From-SVN: r230098
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optabs.[hc] is a bit of a behemoth. It includes basic functions for querying
what a target can do, related tree- and gimple-level query functions,
related rtl-level query functions, and the functions that actually
generate code. Some gimple optimisations therefore need:
#include "insn-config.h"
#include "expmed.h"
#include "dojump.h"
#include "explow.h"
#include "emit-rtl.h"
#include "varasm.h"
#include "stmt.h"
#include "expr.h"
purely to query whether the target has support for a particular operation.
This patch splits optabs up as follows:
- optabs-query.[hc]: IL-independent functions for querying what a target
can do natively.
- optabs-tree.[hc]: tree and gimple query functions (an extension of
optabs-query.[hc]).
- optabs-libfuncs.[hc]: optabs-specific libfuncs (an extension of
libfuncs.h)
- optabs.h: For now includes optabs-query.h and optabs-libfuncs.h.
Only two files outside optabs need to include both optabs.h and
optabs-tree.h: expr.c and function.c. I think that's expected given
that both are related to expand.
It might be good to split optabs.h further, but this is already quite
a big patch.
I changed can_conditionally_move_p from returning an int to returning
a bool and fixed a few formatting glitches. There should be no other
changes to the functions themselves.
gcc/
* Makefile.in (OBJS): Add optabs-libfuncs.o, optabs-query.o
and optabs-tree.o.
(GTFILES): Replace optabs.c with optabs-libfunc.c.
* genopinit.c (main): Add an include guard to insn-opinit.h.
Protect the rtx_code parts with NUM_RTX_CODE.
* optabs.h: Split parts out to...
* optabs-libfuncs.h, optabs-query.h, optabs-tree.h: ...these
new files.
* optabs.c: Split parts out to...
* optabs-libfuncs.c, optabs-query.c, optabs-tree.c: ...these
new files.
* cilk-common.c: Include optabs-query.h rather than optabs.h.
* fold-const.c: Likewise.
* target-globals.c: Likewise.
* tree-if-conv.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Include optabs-tree.h rather than
optabs.h. Remove unncessary include files.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vrp.c: Likewise.
* toplev.c: Include optabs-query.h and optabs-libfuncs.h
rather than optabs.h.
* expr.c: Include optabs-tree.h.
* function.c: Likewise.
From-SVN: r227865
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