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* [gcc(refs/users/meissner/heads/work122-vpair)] Add negate support.
@ 2023-06-16 21:15 Michael Meissner
0 siblings, 0 replies; only message in thread
From: Michael Meissner @ 2023-06-16 21:15 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:2a3bfc746f13793ab4fd78dd3cb00c805dbb1d06
commit 2a3bfc746f13793ab4fd78dd3cb00c805dbb1d06
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Fri Jun 16 17:14:10 2023 -0400
Add negate support.
2023-06-16 Michael Meissner <meissner@linux.ibm.com>
gcc/
* config/rs6000/mma.md (UNSPEC_PAIR_NEG_F32): New unspec.
(UNSPEC_PAIR_NEG_F64): Likewise.
(UNSPEC_PAIR_1OPS): Add negate operators.
(pairop): Likewise.
(pairmode): Likewise.
* config/rs6000/rs6000-builtin.cc (rs6000_gimple_fold_builtin): Add
support for negation.
* config/rs6000/rs6000-builtins.def (__builtin_neg_f32_scalar): New
built-in function.
(__builtin_neg_f32_vector): Likewise.
(__builtin_neg_f32_vpair): Likewise.
(__builtin_neg_f64_scalar): Likewise.
(__builtin_neg_f64_vector): Likewise.
(__builtin_neg_f64_vpair): Likewise.
* config/rs6000/rs6000-overload.def (__builtin_neg_f32): New overloaded
built-in functions.
(__builtin_neg_f64): Likewise.
Diff:
---
gcc/config/rs6000/mma.md | 10 +++++++++-
gcc/config/rs6000/rs6000-builtin.cc | 15 +++++++++++++++
gcc/config/rs6000/rs6000-builtins.def | 14 ++++++++++++++
gcc/config/rs6000/rs6000-overload.def | 16 ++++++++++++++++
4 files changed, 54 insertions(+), 1 deletion(-)
diff --git a/gcc/config/rs6000/mma.md b/gcc/config/rs6000/mma.md
index d127a8673eb..932376cd27a 100644
--- a/gcc/config/rs6000/mma.md
+++ b/gcc/config/rs6000/mma.md
@@ -99,6 +99,8 @@
UNSPEC_PAIR_FMA_F64
UNSPEC_PAIR_MULT_F32
UNSPEC_PAIR_MULT_F64
+ UNSPEC_PAIR_NEG_F32
+ UNSPEC_PAIR_NEG_F64
UNSPEC_PAIR_SCALE_F32
UNSPEC_PAIR_SCALE_F64
UNSPEC_PAIR_SUB_F32
@@ -276,7 +278,9 @@
(UNSPEC_MMA_PMXVI8GER4SPP "pmxvi8ger4spp")])
(define_int_iterator UNSPEC_PAIR_1OPS [UNSPEC_PAIR_ABS_F32
- UNSPEC_PAIR_ABS_F64])
+ UNSPEC_PAIR_ABS_F64
+ UNSPEC_PAIR_NEG_F32
+ UNSPEC_PAIR_NEG_F64])
(define_int_iterator UNSPEC_PAIR_2OPS [UNSPEC_PAIR_ADD_F32
UNSPEC_PAIR_ADD_F64
@@ -299,6 +303,8 @@
(UNSPEC_PAIR_FMA_F64 "FMA")
(UNSPEC_PAIR_MULT_F32 "MULT")
(UNSPEC_PAIR_MULT_F64 "MULT")
+ (UNSPEC_PAIR_NEG_F32 "NEG")
+ (UNSPEC_PAIR_NEG_F64 "NEG")
(UNSPEC_PAIR_SUB_F32 "MINUS")
(UNSPEC_PAIR_SUB_F64 "MINUS")])
@@ -310,6 +316,8 @@
(UNSPEC_PAIR_FMA_F64 "V2DF")
(UNSPEC_PAIR_MULT_F32 "V4SF")
(UNSPEC_PAIR_MULT_F64 "V2DF")
+ (UNSPEC_PAIR_NEG_F32 "V4SF")
+ (UNSPEC_PAIR_NEG_F64 "V2DF")
(UNSPEC_PAIR_SCALE_F32 "V4SF")
(UNSPEC_PAIR_SCALE_F64 "V2DF")
(UNSPEC_PAIR_SUB_F32 "V4SF")
diff --git a/gcc/config/rs6000/rs6000-builtin.cc b/gcc/config/rs6000/rs6000-builtin.cc
index 4bac4387b68..54e6b9e7c9c 100644
--- a/gcc/config/rs6000/rs6000-builtin.cc
+++ b/gcc/config/rs6000/rs6000-builtin.cc
@@ -2295,6 +2295,21 @@ rs6000_gimple_fold_builtin (gimple_stmt_iterator *gsi)
return true;
}
+ case RS6000_BIF_NEG_F32_SCALAR:
+ case RS6000_BIF_NEG_F32_VECTOR:
+ case RS6000_BIF_NEG_F64_SCALAR:
+ case RS6000_BIF_NEG_F64_VECTOR:
+ {
+ location_t loc = gimple_location (stmt);
+ lhs = gimple_call_lhs (stmt);
+ arg0 = gimple_call_arg (stmt, 0);
+ tree t = build1 (NEGATE_EXPR, TREE_TYPE (lhs), arg0);
+ g = gimple_build_assign (lhs, t);
+ gimple_set_location (g, loc);
+ gsi_replace (gsi, g, true);
+ return true;
+ }
+
case RS6000_BIF_REDUCE_F32_SCALAR:
case RS6000_BIF_REDUCE_F64_SCALAR:
{
diff --git a/gcc/config/rs6000/rs6000-builtins.def b/gcc/config/rs6000/rs6000-builtins.def
index ef846cff03d..88ed493897e 100644
--- a/gcc/config/rs6000/rs6000-builtins.def
+++ b/gcc/config/rs6000/rs6000-builtins.def
@@ -4152,6 +4152,20 @@
v256 __builtin_mult_f64_vpair (v256, v256);
MULT_F64_VPAIR vpair_MULT_V2DF {mma,pair}
+ float __builtin_neg_f32_scalar (float);
+ NEG_F32_SCALAR nothing {}
+ vf __builtin_neg_f32_vector (vf);
+ NEG_F32_VECTOR nothing {}
+ v256 __builtin_neg_f32_vpair (v256);
+ NEG_F32_VPAIR vpair_NEG_V4SF {mma,pair}
+
+ double __builtin_neg_f64_scalar (double);
+ NEG_F64_SCALAR nothing {}
+ vd __builtin_neg_f64_vector (vd);
+ NEG_F64_VECTOR nothing {}
+ v256 __builtin_neg_f64_vpair (v256);
+ NEG_F64_VPAIR vpair_NEG_V2DF {mma,pair}
+
float __builtin_reduce_f32_scalar (float);
REDUCE_F32_SCALAR nothing {}
float __builtin_reduce_f32_vector (vf);
diff --git a/gcc/config/rs6000/rs6000-overload.def b/gcc/config/rs6000/rs6000-overload.def
index a2294bce66c..daf6726cca5 100644
--- a/gcc/config/rs6000/rs6000-overload.def
+++ b/gcc/config/rs6000/rs6000-overload.def
@@ -6224,6 +6224,22 @@
v256 __builtin_mult_f64 (v256, v256);
MULT_F64_VPAIR
+[NEG_F32, SKIP, __builtin_neg_f32]
+ float __builtin_neg_f32 (float);
+ NEG_F32_SCALAR
+ vf __builtin_neg_f32 (vf);
+ NEG_F32_VECTOR
+ v256 __builtin_neg_f32 (v256);
+ NEG_F32_VPAIR
+
+[NEG_F64, SKIP, __builtin_neg_f64]
+ double __builtin_neg_f64 (double);
+ NEG_F64_SCALAR
+ vd __builtin_neg_f64 (vd);
+ NEG_F64_VECTOR
+ v256 __builtin_neg_f64 (v256);
+ NEG_F64_VPAIR
+
[REDUCE_F32, SKIP, __builtin_reduce_f32]
float __builtin_reduce_f32 (float);
REDUCE_F32_SCALAR
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2023-06-16 21:15 [gcc(refs/users/meissner/heads/work122-vpair)] Add negate support Michael Meissner
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