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| author | prathamesh3492 <prathamesh3492@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-10-28 19:05:12 +0000 |
|---|---|---|
| committer | prathamesh3492 <prathamesh3492@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-10-28 19:05:12 +0000 |
| commit | 67f7b56660e3fbec71964ec4d7889f4fd9a681eb (patch) | |
| tree | 9837b3df122e46bd34e1497c40a603aa1033fab1 /gcc/doc/sourcebuild.texi | |
| parent | 0045aca38bf0d928903e84554bea05eeebbd7dff (diff) | |
| download | gcc-67f7b56660e3fbec71964ec4d7889f4fd9a681eb.tar.gz | |
2016-10-28 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
Kugan Vivekanandarajah <kuganv@linaro.org>
Jim Wilson <jim.wilson@linaro.org>
PR tree-optimization/43721
* target.def: New hook expand_divmod_libfunc.
* doc/tm.texi.in: Add hook for TARGET_EXPAND_DIVMOD_LIBFUNC
* doc/tm.texi: Regenerate.
* internal-fn.def: Add new entry for DIVMOD ifn.
* internal-fn.c (expand_DIVMOD): New.
* tree-ssa-math-opts.c: Include optabs-libfuncs.h, tree-eh.h,
targhooks.h.
(widen_mul_stats): Add new field divmod_calls_inserted.
(target_supports_divmod_p): New.
(divmod_candidate_p): Likewise.
(convert_to_divmod): Likewise.
(pass_optimize_widening_mul::execute): Call
calculate_dominance_info(), renumber_gimple_stmt_uids() at
beginning of function. Call convert_to_divmod()
and record stats for divmod.
* config/arm/arm.c (arm_expand_divmod_libfunc): Override hook
TARGET_EXPAND_DIVMOD_LIBFUNC.
* doc/sourcebuild.texi: Add items for arm_divmod_simode, divmod,
divmod_simode.
testsuite/
* lib/target-supports.exp (check_effective_target_divmod): New.
(check_effective_target_divmod_simode): Likewise.
(check_effective_target_arm_divmod_simode): Likewise.
* gcc.dg/divmod-1-simode.c: New test.
* gcc.dg/divmod-1.c: Likewise.
* gcc.dg/divmod-2-simode.c: Likewise.
* gcc.dg/divmod-2.c: Likewise.
* gcc.dg/divmod-3-simode.c: Likewise.
* gcc.dg/divmod-3.c: Likewise.
* gcc.dg/divmod-4-simode.c: Likewise.
* gcc.dg/divmod-4.c: Likewise.
* gcc.dg/divmod-5.c: Likewise.
* gcc.dg/divmod-6-simode.c: Likewise.
* gcc.dg/divmod-6.c: Likewise.
* gcc.dg/divmod-7.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@241660 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc/sourcebuild.texi')
| -rw-r--r-- | gcc/doc/sourcebuild.texi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi index 07c75e2847a..39de0ffb082 100644 --- a/gcc/doc/sourcebuild.texi +++ b/gcc/doc/sourcebuild.texi @@ -1675,6 +1675,10 @@ and @code{MOVT} instructions available. ARM target generates Thumb-1 code for @code{-mthumb} with @code{CBZ} and @code{CBNZ} instructions available. +@item arm_divmod_simode +ARM target for which divmod transform is disabled, if it supports hardware +div instruction. + @end table @subsubsection AArch64-specific attributes @@ -1848,6 +1852,13 @@ Target requires a command line argument to enable a SIMD instruction set. @item pie_copyreloc The x86-64 target linker supports PIE with copy reloc. + +@item divmod +Target supporting hardware divmod insn or divmod libcall. + +@item divmod_simode +Target supporting hardware divmod insn or divmod libcall for SImode. + @end table @subsubsection Environment attributes |