[23/29] rs6000: Add available-everywhere and ancient builtins

Message ID 558b233c78c4a9b9f3c0ab0d27bedd8b33a9c7f9.1595809584.git.wschmidt@linux.ibm.com
State New
Headers show
Series
  • rs6000: Auto-generate builtins from descriptions [V2]
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Commit Message

Bill Schmidt July 27, 2020, 2:14 p.m.
From: Bill Schmidt <wschmidt@linux.ibm.com>


2020-07-26  Bill Schmidt  <wschmidt@linux.ibm.com>

	* config/rs6000/rs6000-builtin-new.def: Add always, power5,
	and power6 builtins.
---
 gcc/config/rs6000/rs6000-builtin-new.def | 78 ++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

-- 
2.17.1

Patch

diff --git a/gcc/config/rs6000/rs6000-builtin-new.def b/gcc/config/rs6000/rs6000-builtin-new.def
index 6c60177e4bb..1cb019bd4fb 100644
--- a/gcc/config/rs6000/rs6000-builtin-new.def
+++ b/gcc/config/rs6000/rs6000-builtin-new.def
@@ -163,6 +163,84 @@ 
 ; a semicolon are also treated as blank lines.
 
 
+; Builtins that have been around since time immemorial or are just
+; considered available everywhere.
+[always]
+  void __builtin_cpu_init ();
+    CPU_INIT nothing {cpu}
+
+  unsigned int __builtin_cpu_is (const char *);
+    CPU_IS nothing {cpu}
+
+  unsigned int __builtin_cpu_supports (const char *);
+    CPU_SUPPORTS nothing {cpu}
+
+  unsigned long long __builtin_ppc_get_timebase ();
+    GET_TB rs6000_get_timebase {}
+
+  double __builtin_mffs ();
+    MFFS rs6000_mffs {}
+
+  unsigned long long __builtin_ppc_mftb ();
+    MFTB rs6000_mftb_di {}
+
+  void __builtin_mtfsb0 (const int<5>);
+    MTFSB0 rs6000_mtfsb0 {}
+
+  void __builtin_mtfsb1 (const int<5>);
+    MTFSB1 rs6000_mtfsb1 {}
+
+  void __builtin_mtfsf (const int<8>, double);
+    MTFSF rs6000_mtfsf {}
+
+  const __ibm128 __builtin_pack_ibm128 (double, double);
+    PACK_IF packif {}
+
+  void __builtin_set_fpscr_rn (signed int);
+    SET_FPSCR_RN rs6000_set_fpscr_rn {}
+
+  const double __builtin_unpack_ibm128 (__ibm128, const int<1>);
+    UNPACK_IF unpackif {}
+
+
+; Builtins that have been around just about forever, but not quite.
+[power5]
+; #### Not sure what to do with this one.  It is apparently another
+; name for __builtin_pack_ibm128 when long double == __ibm128.
+; There isn't a lot of sense in having pack and unpack for _Float128.
+; Inclined to deprecate, should discuss with Steve Munroe.
+;  const long double __builtin_pack_longdouble (double, double);
+;    PACK_TF packtf {}
+
+  fpmath double __builtin_recipdiv (double, double);
+    RECIP recipdf3 {}
+
+  fpmath float __builtin_recipdivf (float, float);
+    RECIPF recipsf3 {}
+
+  fpmath double __builtin_rsqrt (double);
+    RSQRT rsqrtdf2 {}
+
+  fpmath float __builtin_rsqrtf (float);
+    RSQRTF rsqrtsf2 {}
+
+; #### Not sure what to do with this one.  It is apparently another
+; name for __builtin_unpack_ibm128 when long double == __ibm128.
+; There isn't a lot of sense in having pack and unpack for _Float128.
+; Inclined to deprecate, should discuss with Steve Munroe.
+;  const double __builtin_unpack_longdouble (long double, const int<1>);
+;    UNPACK_TF unpacktf {}
+
+
+; Power6 builtins.
+[power6]
+  const signed int __builtin_p6_cmpb (signed int, signed int);
+    CMPB cmpbdi3 {}
+
+  const signed int __builtin_p6_cmpb_32 (signed int, signed int);
+    CMPB_32 cmpbsi3 {}
+
+
 ; AltiVec builtins.
 [altivec]
   const vsc __builtin_altivec_abs_v16qi (vsc);