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| author | David Edelsohn <dje@gcc.gnu.org> | 2012-09-19 15:05:34 -0400 |
|---|---|---|
| committer | David Edelsohn <dje@gcc.gnu.org> | 2012-09-19 15:05:34 -0400 |
| commit | 0efbf084f42a63c393962eb2207c826eb91c5029 (patch) | |
| tree | e66e46b6098e9cdaedd3c575165b2ad9b99dc209 /gcc/config/rs6000/rs6000.c | |
| parent | 4eddc42b63d1064dfb0fd4c4820616f672e0ccfa (diff) | |
| download | gcc-0efbf084f42a63c393962eb2207c826eb91c5029.zip gcc-0efbf084f42a63c393962eb2207c826eb91c5029.tar.gz gcc-0efbf084f42a63c393962eb2207c826eb91c5029.tar.bz2 | |
[multiple changes]
2012-09-19 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
* config/rs6000/rs6000-builtin.def: Add __builtin_ppc_get_timebase
and __builtin_ppc_mftb.
* config/rs6000/rs6000.c (rs6000_expand_zeroop_builtin): New
function to expand an expression that calls a built-in without
arguments.
(rs6000_expand_builtin): Add __builtin_ppc_get_timebase and
__builtin_ppc_mftb.
(rs6000_init_builtins): Likewise.
* config/rs6000/rs6000.md (rs6000_get_timebase): New pattern.
(rs6000_get_timebase_ppc32): New pattern.
(rs6000_mftb_<mode>): New pattern.
* doc/extend.texi (PowerPC Built-in Functions): New section.
(PowerPC AltiVec/VSX Built-in Functions):
Move some built-ins unrelated to Altivec/VSX to the new section.
2012-09-19 David Edelsohn <dje.gcc@gmail.com>
* rs6000.md (mac*): Remove extra spaces.
(mulhw*): Same.
From-SVN: r191491
Diffstat (limited to 'gcc/config/rs6000/rs6000.c')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index a880e5e..007473b 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -9748,6 +9748,30 @@ rs6000_overloaded_builtin_p (enum rs6000_builtins fncode) return (rs6000_builtin_info[(int)fncode].attr & RS6000_BTC_OVERLOADED) != 0; } +/* Expand an expression EXP that calls a builtin without arguments. */ +static rtx +rs6000_expand_zeroop_builtin (enum insn_code icode, rtx target) +{ + rtx pat; + enum machine_mode tmode = insn_data[icode].operand[0].mode; + + if (icode == CODE_FOR_nothing) + /* Builtin not supported on this processor. */ + return 0; + + if (target == 0 + || GET_MODE (target) != tmode + || ! (*insn_data[icode].operand[0].predicate) (target, tmode)) + target = gen_reg_rtx (tmode); + + pat = GEN_FCN (icode) (target); + if (! pat) + return 0; + emit_insn (pat); + + return target; +} + static rtx rs6000_expand_unop_builtin (enum insn_code icode, tree exp, rtx target) @@ -11337,6 +11361,16 @@ rs6000_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED, ? CODE_FOR_bpermd_di : CODE_FOR_bpermd_si), exp, target); + case RS6000_BUILTIN_GET_TB: + return rs6000_expand_zeroop_builtin (CODE_FOR_rs6000_get_timebase, + target); + + case RS6000_BUILTIN_MFTB: + return rs6000_expand_zeroop_builtin (((TARGET_64BIT) + ? CODE_FOR_rs6000_mftb_di + : CODE_FOR_rs6000_mftb_si), + target); + case ALTIVEC_BUILTIN_MASK_FOR_LOAD: case ALTIVEC_BUILTIN_MASK_FOR_STORE: { @@ -11621,6 +11655,18 @@ rs6000_init_builtins (void) POWER7_BUILTIN_BPERMD, "__builtin_bpermd"); def_builtin ("__builtin_bpermd", ftype, POWER7_BUILTIN_BPERMD); + ftype = build_function_type_list (unsigned_intDI_type_node, + NULL_TREE); + def_builtin ("__builtin_ppc_get_timebase", ftype, RS6000_BUILTIN_GET_TB); + + if (TARGET_64BIT) + ftype = build_function_type_list (unsigned_intDI_type_node, + NULL_TREE); + else + ftype = build_function_type_list (unsigned_intSI_type_node, + NULL_TREE); + def_builtin ("__builtin_ppc_mftb", ftype, RS6000_BUILTIN_MFTB); + #if TARGET_XCOFF /* AIX libm provides clog as __clog. */ if ((tdecl = builtin_decl_explicit (BUILT_IN_CLOG)) != NULL_TREE) |