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author | Kelvin Nilsen <kelvin@gcc.gnu.org> | 2020-05-11 16:25:03 -0500 |
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committer | Bill Schmidt <wschmidt@linux.ibm.com> | 2020-05-11 16:25:03 -0500 |
commit | 840ac85ced0695fefecee433327e4298b4adb20a (patch) | |
tree | 2ead3d269a344ed5865c2b409fdf5830c530eab1 /gcc/doc | |
parent | 2202299c2aa69385ca5e7574914dabc84fb6a40a (diff) | |
download | gcc-840ac85ced0695fefecee433327e4298b4adb20a.zip gcc-840ac85ced0695fefecee433327e4298b4adb20a.tar.gz gcc-840ac85ced0695fefecee433327e4298b4adb20a.tar.bz2 |
rs6000: Add xxeval and vec_ternarylogic
Add the xxeval insn and access it via the vec_ternarylogic built-in
function. As part of this, add support to the built-in function
infrastructure for functions that take four arguments.
[gcc]
2020-05-11 Kelvin Nilsen <wschmidt@linux.ibm.com>
* config/rs6000/altivec.h (vec_ternarylogic): New #define.
* config/rs6000/altivec.md (UNSPEC_XXEVAL): New constant.
(xxeval): New insn.
* config/rs6000/predicates.md (u8bit_cint_operand): New predicate.
* config/rs6000/rs6000-builtin.def: Add handling of new macro
RS6000_BUILTIN_4.
(BU_FUTURE_V_4): New macro. Use it.
(BU_FUTURE_OVERLOAD_4): Likewise.
* config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Add
handling for quaternary built-in functions.
(altivec_resolve_overloaded_builtin): Add special-case handling
for __builtin_vec_xxeval.
* config/rs6000/rs6000-call.c: Add handling of new macro
RS6000_BUILTIN_4 in initialization of rs6000_builtin_info,
bdesc0_arg, bdesc1_arg, bdesc2_arg, bdesc_3arg,
bdesc_altivec_preds, bdesc_abs, and bdesc_htm arrays.
(altivec_overloaded_builtins): Add definitions for
FUTURE_BUILTIN_VEC_XXEVAL.
(bdesc_4arg): New array.
(htm_expand_builtin): Add handling for quaternary built-in
functions.
(rs6000_expand_quaternop_builtin): New function.
(rs6000_expand_builtin): Add handling for quaternary built-in
functions.
(rs6000_init_builtins): Initialize builtin_mode_to_type entries
for unsigned QImode and unsigned HImode.
(builtin_quaternary_function_type): New function.
(rs6000_common_init_builtins): Add handling of quaternary
operations.
* config/rs6000/rs6000.h (RS6000_BTC_QUATERNARY): New defined
constant.
(RS6000_BTC_PREDICATE): Change value of constant.
(RS6000_BTC_ABS): Likewise.
(rs6000_builtins): Add support for new macro RS6000_BUILTIN_4.
* doc/extend.texi (PowerPC AltiVec Built-In Functions Available
for a Future Architecture): Add description of vec_ternarylogic
built-in function.
[gcc/testsuite]
2020-05-11 Kelvin Nilsen <wschmidt@linux.ibm.com>
* gcc.target/powerpc/vec-ternarylogic-0.c: New.
* gcc.target/powerpc/vec-ternarylogic-1.c: New.
* gcc.target/powerpc/vec-ternarylogic-10.c: New.
* gcc.target/powerpc/vec-ternarylogic-2.c: New.
* gcc.target/powerpc/vec-ternarylogic-3.c: New.
* gcc.target/powerpc/vec-ternarylogic-4.c: New.
* gcc.target/powerpc/vec-ternarylogic-5.c: New.
* gcc.target/powerpc/vec-ternarylogic-6.c: New.
* gcc.target/powerpc/vec-ternarylogic-7.c: New.
* gcc.target/powerpc/vec-ternarylogic-8.c: New.
* gcc.target/powerpc/vec-ternarylogic-9.c: New.
Diffstat (limited to 'gcc/doc')
-rw-r--r-- | gcc/doc/extend.texi | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 9602a31..c66a9ac 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -22055,6 +22055,27 @@ else @end smallexample @end deftypefn +@smallexample +@exdent vector unsigned char +@exdent vec_ternarylogic (vector unsigned char, vector unsigned char, + vector unsigned char, const unsigned char) +@exdent vector unsigned short +@exdent vec_ternarylogic (vector unsigned short, vector unsigned short, + vector unsigned short, const unsigned char) +@exdent vector unsigned int +@exdent vec_ternarylogic (vector unsigned int, vector unsigned int, + vector unsigned int, const unsigned char) +@exdent vector unsigned long long int +@exdent vec_ternarylogic (vector unsigned long long int, vector unsigned long long int, + vector unsigned long long int, const unsigned char) +@exdent vector unsigned __int128 +@exdent vec_ternarylogic (vector unsigned __int128, vector unsigned __int128, + vector unsigned __int128, const unsigned char) +@end smallexample +Perform a 128-bit vector evaluate operation, as if implemented by the +Future @code{xxeval} instruction. The fourth argument must be a literal +integer value between 0 and 255 inclusive. +@findex vec_ternarylogic The following built-in functions are made available by @option{-mmmx}. All of them generate the machine instruction that is part of the name. |