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| author | bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-06-21 14:16:39 +0000 |
|---|---|---|
| committer | bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-06-21 14:16:39 +0000 |
| commit | d8492bd3ebdf16222a744e495a4de4f2aa3bd58e (patch) | |
| tree | ee32816cbc97cc6b5823412e083d7944b01b96a7 /gcc/optabs.h | |
| parent | 0a5cd24b53f25f58c958cfae4e2aa478059f5fb8 (diff) | |
| download | gcc-d8492bd3ebdf16222a744e495a4de4f2aa3bd58e.tar.gz | |
libgcc/
* Makefile.in (lib2funcs): Add _clrsbsi2 and _clrsbdi2.
* libgcc-std.ver.in (GCC_4.7.0): New section.
gcc/
* doc/extend.texi (__builtin_clrsb, __builtin_clrsbl,
__builtin_clrsbll): Document.
* doc/rtl.texi (clrsb): New entry.
* optabs.c (widen_leading): Renamed from widen_clz. New argument
UNOPTAB. All callers changed. Use UNOPTAB instead of clz_optab.
(expand_unop): Handle clrsb_optab.
(init_optabs): Initialize it.
* optabs.h (enum optab_index): New entry OTI_clrsb.
(clrsb_optab): Define.
* genopinit.c (optabs): Add an entry for it.
* builtins.c (expand_builtin): Handle clrsb builtin functions.
* builtins.def (BUILT_IN_CLRSB, BUILT_IN_CLRSBIMAX, BUILT_IN_CLRSBL,
BUILT_IN_CLRSBLL): New.
* rtl.def (CLRSB): New code.
* dwarf2out.c (mem_loc_descriptor): Handle it.
* simplify-rtx.c (simplify_const_unary_operation): Likewise.
Use op_mode rather than mode when optimizing ffs, clz, ctz, parity
and popcount.
* libgcc2.c (__clrsbSI2, __clrsbDI2): New functions.
* libgcc2.h (__clrsbSI2, __clrsbDI2): Define and declare.
(__ctzDI2): Move declaration.
* config/bfin/bfin.md (clrsbsi2): New expander.
(signbitssi2): Use the CLRSB rtx.
(clrsbhi2): Renamed from signbitshi2. Use the CLRSB rtx.
* config/bfin/bfin.c (bdesc_1arg): Changed accordingly.
gcc/testsuite/
* gcc.c-torture/excute/builtin-bitops-1.c (MAKE_FUNS): Make
my_clrsb test functions.
(main): Test clrsb.
* gcc.dg/builtin-protos-1.c (test_s, test_u, test_sl, test_ul,
test_sll, test_ull): Add clrsb tests.
* gcc.dg/torture/builtin-attr-1.c: Add tests for clrsb, clrsbl,
clrsbll.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@175261 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/optabs.h')
| -rw-r--r-- | gcc/optabs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/optabs.h b/gcc/optabs.h index 62bc14e4840..477fce356c7 100644 --- a/gcc/optabs.h +++ b/gcc/optabs.h @@ -220,6 +220,7 @@ enum optab_index OTI_ffs, OTI_clz, OTI_ctz, + OTI_clrsb, OTI_popcount, OTI_parity, /* Square root */ @@ -456,6 +457,7 @@ enum optab_index #define ffs_optab (&optab_table[OTI_ffs]) #define clz_optab (&optab_table[OTI_clz]) #define ctz_optab (&optab_table[OTI_ctz]) +#define clrsb_optab (&optab_table[OTI_clrsb]) #define popcount_optab (&optab_table[OTI_popcount]) #define parity_optab (&optab_table[OTI_parity]) #define sqrt_optab (&optab_table[OTI_sqrt]) |