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| author | Kelvin Nilsen <kelvin@gcc.gnu.org> | 2020-05-11 15:10:24 -0500 |
|---|---|---|
| committer | Bill Schmidt <wschmidt@linux.ibm.com> | 2020-05-11 15:27:24 -0500 |
| commit | 9acfb58a46ffe88ebaae0eeb341cb924702fe20c (patch) | |
| tree | 5956b34f8ef95abdab04d443874ea8fac25ddb43 /gcc/ChangeLog | |
| parent | 52c5933f5838adb7bf6035e648b770b4958d137f (diff) | |
| download | gcc-9acfb58a46ffe88ebaae0eeb341cb924702fe20c.zip gcc-9acfb58a46ffe88ebaae0eeb341cb924702fe20c.tar.gz gcc-9acfb58a46ffe88ebaae0eeb341cb924702fe20c.tar.bz2 | |
rs6000: Add cntlzdm and cnttzdm
Add support for new scalar instructions for counting leading or
trailing zeros under control of a bitmask.
[gcc]
2020-05-11 Kelvin Nilsen <kelvin@gcc.gnu.org>
* config/rs6000/rs6000-builtin.def (__builtin_cntlzdm): New
built-in function definition.
(__builtin_cnttzdm): Likewise.
* config/rs6000/rs6000.md (UNSPEC_CNTLZDM): New constant.
(UNSPEC_CNTTZDM): Likewise.
(cntlzdm): New insn.
(cnttzdm): Likewise.
* doc/extend.texi (Basic PowerPC Built-in Functions available for
a Future Architecture): Add descriptions of __builtin_cntlzdm and
__builtin_cnttzdm functions.
[gcc/testsuite]
2020-05-11 Kelvin Nilsen <kelvin@gcc.gnu.org>
* gcc.target/powerpc/cntlzdm-0.c: New test.
* gcc.target/powerpc/cntlzdm-1.c: New test.
* gcc.target/powerpc/cnttzdm-0.c: New test.
* gcc.target/powerpc/cnttzdm-1.c: New test.
Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d9f96a5..4dea211 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -5,6 +5,19 @@ 2020-05-11 Kelvin Nilsen <kelvin@gcc.gnu.org> + * config/rs6000/rs6000-builtin.def (__builtin_cntlzdm): New + built-in function definition. + (__builtin_cnttzdm): Likewise. + * config/rs6000/rs6000.md (UNSPEC_CNTLZDM): New constant. + (UNSPEC_CNTTZDM): Likewise. + (cntlzdm): New insn. + (cnttzdm): Likewise. + * doc/extend.texi (Basic PowerPC Built-in Functions available for + a Future Architecture): Add descriptions of __builtin_cntlzdm and + __builtin_cnttzdm functions. + +2020-05-11 Kelvin Nilsen <kelvin@gcc.gnu.org> + * config/rs6000/altivec.h (vec_cfuge): New #define. * config/rs6000/altivec.md (UNSPEC_VCFUGED): New constant. (vcfuged): New insn. |