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* [gcc(refs/users/meissner/heads/work093)] Make _round_to_odd functions overloaded.
@ 2022-06-30 15:21 Michael Meissner
  0 siblings, 0 replies; only message in thread
From: Michael Meissner @ 2022-06-30 15:21 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:6f3e5235300c42dbf27ded35c078f57f33715290

commit 6f3e5235300c42dbf27ded35c078f57f33715290
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Thu Jun 30 11:20:55 2022 -0400

    Make _round_to_odd functions overloaded.
    
    2022-06-30   Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * config/rs6000/rs6000-builtin.cc (rs6000_expand_builtin): Remove
            converting KFmode round to odd built-in functions to TFmode round
            to odd built-in functions when long double is IEEE 128-bit.
            * config/rs6000/rs6000-builtins.def
            (__builtin_addf128_round_to_odd_kf): Rename KFmode round to odd
            built-in functions with a KF suffix to allow overloading.
            (__builtin_divf128_round_to_odd_kf): Likewise.
            (__builtin_fmaf128_round_to_odd_kf): Likewise.
            (__builtin_mulf128_round_to_odd_kf): Likewise.
            (__builtin_sqrtf128_round_to_odd_kf): Likewise.
            (__builtin_subf128_round_to_odd_kf): Likewise.
            (__builtin_truncf128_round_to_odd_kf): Likewise.
            (__builtin_addf128_round_to_odd_tf): Add TFmode round to odd
            built-in functions.
            (__builtin_fmaf128_round_to_odd_tf): Likewise.
            (__builtin_mulf128_round_to_odd_tf): Likewise.
            (__builtin_sqrtf128_round_to_odd_tf): Likewise.
            (__builtin_subf128_round_to_odd_tf): Likewise.
            (__builtin_truncf128_round_to_odd_tf): Likewise.
            * config/rs6000/rs6000-overload.def
            (__builtin_addf128_round_to_odd): Make round to odd built-in
            functions overloaded.
            (__builtin_divf128_round_to_odd): Likewise.
            (__builtin_fmaf128_round_to_odd): Likewise.
            (__builtin_mulf128_round_to_odd): Likewise.
            (__builtin_sqrtf128_round_to_odd): Likewise.
            (__builtin_subf128_round_to_odd): Likewise.
            (__builtin_truncf128_round_to_odd): Likewise.

Diff:
---
 gcc/config/rs6000/rs6000-builtin.cc   | 21 -------------
 gcc/config/rs6000/rs6000-builtins.def | 58 ++++++++++++++++++++++++++---------
 gcc/config/rs6000/rs6000-overload.def | 44 ++++++++++++++++++++++++++
 3 files changed, 87 insertions(+), 36 deletions(-)

diff --git a/gcc/config/rs6000/rs6000-builtin.cc b/gcc/config/rs6000/rs6000-builtin.cc
index aac123fbf9e..2e346d24db6 100644
--- a/gcc/config/rs6000/rs6000-builtin.cc
+++ b/gcc/config/rs6000/rs6000-builtin.cc
@@ -3318,27 +3318,6 @@ rs6000_expand_builtin (tree exp, rtx target, rtx /* subtarget */,
   if (FLOAT128_IEEE_P (TFmode))
     switch (icode)
       {
-      case CODE_FOR_sqrtkf2_odd:
-	icode = CODE_FOR_sqrttf2_odd;
-	break;
-      case CODE_FOR_trunckfdf2_odd:
-	icode = CODE_FOR_trunctfdf2_odd;
-	break;
-      case CODE_FOR_addkf3_odd:
-	icode = CODE_FOR_addtf3_odd;
-	break;
-      case CODE_FOR_subkf3_odd:
-	icode = CODE_FOR_subtf3_odd;
-	break;
-      case CODE_FOR_mulkf3_odd:
-	icode = CODE_FOR_multf3_odd;
-	break;
-      case CODE_FOR_divkf3_odd:
-	icode = CODE_FOR_divtf3_odd;
-	break;
-      case CODE_FOR_fmakf4_odd:
-	icode = CODE_FOR_fmatf4_odd;
-	break;
       case CODE_FOR_xsxexpqp_kf:
 	icode = CODE_FOR_xsxexpqp_tf;
 	break;
diff --git a/gcc/config/rs6000/rs6000-builtins.def b/gcc/config/rs6000/rs6000-builtins.def
index defd7e25ffe..d72ff8cb7fe 100644
--- a/gcc/config/rs6000/rs6000-builtins.def
+++ b/gcc/config/rs6000/rs6000-builtins.def
@@ -2867,18 +2867,18 @@
 
 ; Builtins requiring hardware support for IEEE-128 floating-point.
 [ieee128-hw]
-  fpmath _Float128 __builtin_addf128_round_to_odd (_Float128, _Float128);
-    ADDF128_ODD addkf3_odd {}
+  fpmath _Float128 __builtin_addf128_round_to_odd_kf (_Float128, _Float128);
+    ADDF128_ODD_KF addkf3_odd {}
 
-  fpmath _Float128 __builtin_divf128_round_to_odd (_Float128, _Float128);
-    DIVF128_ODD divkf3_odd {}
+  fpmath _Float128 __builtin_divf128_round_to_odd_kf (_Float128, _Float128);
+    DIVF128_ODD_KF divkf3_odd {}
 
-  fpmath _Float128 __builtin_fmaf128_round_to_odd (_Float128, _Float128, \
-                                                   _Float128);
-    FMAF128_ODD fmakf4_odd {}
+  fpmath _Float128 __builtin_fmaf128_round_to_odd_kf (_Float128, _Float128, \
+						      _Float128);
+    FMAF128_ODD_KF fmakf4_odd {}
 
-  fpmath _Float128 __builtin_mulf128_round_to_odd (_Float128, _Float128);
-    MULF128_ODD mulkf3_odd {}
+  fpmath _Float128 __builtin_mulf128_round_to_odd_kf (_Float128, _Float128);
+    MULF128_ODD_KF mulkf3_odd {}
 
   const signed int __builtin_vsx_scalar_cmp_exp_qp_eq (_Float128, _Float128);
     VSCEQPEQ xscmpexpqp_eq_kf {}
@@ -2893,14 +2893,14 @@
       __builtin_vsx_scalar_cmp_exp_qp_unordered (_Float128, _Float128);
     VSCEQPUO xscmpexpqp_unordered_kf {}
 
-  fpmath _Float128 __builtin_sqrtf128_round_to_odd (_Float128);
-    SQRTF128_ODD sqrtkf2_odd {}
+  fpmath _Float128 __builtin_sqrtf128_round_to_odd_kf (_Float128);
+    SQRTF128_ODD_KF sqrtkf2_odd {}
 
-  fpmath _Float128 __builtin_subf128_round_to_odd (_Float128, _Float128);
-    SUBF128_ODD subkf3_odd {}
+  fpmath _Float128 __builtin_subf128_round_to_odd_kf (_Float128, _Float128);
+    SUBF128_ODD_KF subkf3_odd {}
 
-  fpmath double __builtin_truncf128_round_to_odd (_Float128);
-    TRUNCF128_ODD trunckfdf2_odd {}
+  fpmath double __builtin_truncf128_round_to_odd_kf (_Float128);
+    TRUNCF128_ODD_KF trunckfdf2_odd {}
 
   const signed long long __builtin_vsx_scalar_extract_expq (_Float128);
     VSEEQP xsxexpqp_kf {}
@@ -2924,6 +2924,34 @@
     VSTDCNQP xststdcnegqp_kf {}
 
 
+; Builtins requiring hardware support for IEEE-128 floating-point.  Long double
+; must use the IEEE 128-bit encoding.
+[ieee128-hw-ld]
+  fpmath long double __builtin_addf128_round_to_odd_tf (long double, long double);
+    ADDF128_ODD_TF addtf3_odd {ieeeld}
+
+  fpmath long double __builtin_divf128_round_to_odd_tf (long double,long double);
+    DIVF128_ODD_TF divtf3_odd {ieeeld}
+
+  fpmath long double __builtin_fmaf128_round_to_odd_tf (long double, \
+							long double, \
+							long double);
+    FMAF128_ODD_TF fmatf4_odd {ieeeld}
+
+  fpmath long double __builtin_mulf128_round_to_odd_tf (long double, \
+							long double);
+    MULF128_ODD_TF multf3_odd {ieeeld}
+
+  fpmath long double __builtin_sqrtf128_round_to_odd_tf (long double);
+    SQRTF128_ODD_TF sqrttf2_odd {ieeeld}
+
+  fpmath long double __builtin_subf128_round_to_odd_tf (long double, \
+							long double);
+    SUBF128_ODD_TF subtf3_odd {ieeeld}
+
+  fpmath double __builtin_truncf128_round_to_odd_tf (long double);
+    TRUNCF128_ODD_TF trunctfdf2_odd {ieeeld}
+
 
 ; Decimal floating-point builtins.
 [dfp]
diff --git a/gcc/config/rs6000/rs6000-overload.def b/gcc/config/rs6000/rs6000-overload.def
index 44e2945aaa0..f406a16a882 100644
--- a/gcc/config/rs6000/rs6000-overload.def
+++ b/gcc/config/rs6000/rs6000-overload.def
@@ -6175,3 +6175,47 @@
     VUPKLSW  VUPKLSW_DEPR1
   vbll __builtin_vec_vupklsw (vbi);
     VUPKLSW  VUPKLSW_DEPR2
+
+[ADDF128_ODD, SKIP, __builtin_addf128_round_to_odd]
+  long double __builtin_addf128_round_to_odd (long double, long double);
+    ADDF128_ODD_TF
+  _Float128 __builtin_addf128_round_to_odd (_Float128, _Float128);
+    ADDF128_ODD_KF
+
+[DIVF128_ODD, SKIP, __builtin_divf128_round_to_odd]
+  long double __builtin_divf128_round_to_odd (long double, long double);
+    DIVF128_ODD_TF
+  _Float128 __builtin_divf128_round_to_odd (_Float128, _Float128);
+    DIVF128_ODD_KF
+
+[FMAF128_ODD, SKIP, __builtin_fmaf128_round_to_odd]
+  long double __builtin_fmaf128_round_to_odd (long double, long double, \
+					      long double);
+    FMAF128_ODD_TF
+  _Float128 __builtin_fmaf128_round_to_odd (_Float128, _Float128, \
+					    _Float128);
+    FMAF128_ODD_KF
+
+[MULF128_ODD, SKIP, __builtin_mulf128_round_to_odd]
+  long double __builtin_mulf128_round_to_odd (long double, long double);
+    MULF128_ODD_TF
+  _Float128 __builtin_mulf128_round_to_odd (_Float128, _Float128);
+    MULF128_ODD_KF
+
+[SQRTF128_ODD, SKIP, __builtin_sqrtf128_round_to_odd]
+  long double __builtin_sqrtf128_round_to_odd (long double);
+    SQRTF128_ODD_TF
+  _Float128 __builtin_sqrtf128_round_to_odd (_Float128);
+    SQRTF128_ODD_KF
+
+[SUBF128_ODD, SKIP, __builtin_subf128_round_to_odd]
+  long double __builtin_subf128_round_to_odd (long double, long double);
+    SUBF128_ODD_TF
+  _Float128 __builtin_subf128_round_to_odd (_Float128, _Float128);
+    SUBF128_ODD_KF
+
+[TRUNCF128_ODD, SKIP, __builtin_truncf128_round_to_odd]
+  long double __builtin_truncf128_round_to_odd (long double);
+    TRUNCF128_ODD_TF
+  _Float128 __builtin_truncf128_round_to_odd (_Float128);
+    TRUNCF128_ODD_KF


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