[gcc(refs/vendors/ibm/heads/dmr-support)] rs6000: Update existing mma patterns to use wD constraint
Avinash Jayakar
avinashd@gcc.gnu.org
Thu Jul 9 06:03:55 GMT 2026
https://gcc.gnu.org/g:5bfb219e74fe64b438a7eb03d5ced08021b256e3
commit 5bfb219e74fe64b438a7eb03d5ced08021b256e3
Author: Avinash Jayakar <avinashd@gcc.gnu.org>
Date: Thu Jul 9 00:59:50 2026 -0500
rs6000: Update existing mma patterns to use wD constraint
For existing mma patterns change the constraint to use wD from
d and accumulator_operand predicate from fpr_reg_operand.
Diff:
---
gcc/config/rs6000/mma.md | 48 ++++++++++++++++++++++++------------------------
1 file changed, 24 insertions(+), 24 deletions(-)
diff --git a/gcc/config/rs6000/mma.md b/gcc/config/rs6000/mma.md
index 656c8bcf92f0..47a0094fb1fa 100644
--- a/gcc/config/rs6000/mma.md
+++ b/gcc/config/rs6000/mma.md
@@ -724,11 +724,11 @@
(define_insn_and_split "*mma_disassemble_acc"
[(set (match_operand:V16QI 0 "mma_disassemble_output_operand" "=mwa")
- (unspec:V16QI [(match_operand:XO 1 "fpr_reg_operand" "d")
+ (unspec:V16QI [(match_operand:XO 1 "accumulator_operand" "wD")
(match_operand 2 "const_0_to_3_operand")]
UNSPEC_MMA_EXTRACT))]
"TARGET_MMA
- && fpr_reg_operand (operands[1], XOmode)"
+ && accumulator_operand (operands[1], XOmode)"
"#"
"&& reload_completed"
[(const_int 0)]
@@ -776,7 +776,7 @@
;; UNSPEC_VOLATILE.
(define_insn "mma_xxsetaccz"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=d")
+ [(set (match_operand:XO 0 "accumulator_operand" "=wD")
(unspec_volatile:XO [(const_int 0)]
UNSPECV_MMA_XXSETACCZ))]
"TARGET_MMA"
@@ -791,7 +791,7 @@
[(set_attr "type" "mma")])
(define_insn "mma_<vv>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
(unspec:XO [(match_operand:V16QI 1 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")]
MMA_VV))]
@@ -800,8 +800,8 @@
[(set_attr "type" "mma")])
(define_insn "mma_<avv>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
- (unspec:XO [(match_operand:XO 1 "fpr_reg_operand" "0,0")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
+ (unspec:XO [(match_operand:XO 1 "accumulator_operand" "0,0")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 3 "vsx_register_operand" "v,?wa")]
MMA_AVV))]
@@ -810,7 +810,7 @@
[(set_attr "type" "mma")])
(define_insn "mma_<pv>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
(unspec:XO [(match_operand:OO 1 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")]
MMA_PV))]
@@ -819,8 +819,8 @@
[(set_attr "type" "mma")])
(define_insn "mma_<apv>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
- (unspec:XO [(match_operand:XO 1 "fpr_reg_operand" "0,0")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
+ (unspec:XO [(match_operand:XO 1 "accumulator_operand" "0,0")
(match_operand:OO 2 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 3 "vsx_register_operand" "v,?wa")]
MMA_APV))]
@@ -829,7 +829,7 @@
[(set_attr "type" "mma")])
(define_insn "mma_<vvi4i4i8>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
(unspec:XO [(match_operand:V16QI 1 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")
(match_operand:SI 3 "const_0_to_15_operand" "n,n")
@@ -842,8 +842,8 @@
(set_attr "prefixed" "yes")])
(define_insn "mma_<avvi4i4i8>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
- (unspec:XO [(match_operand:XO 1 "fpr_reg_operand" "0,0")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
+ (unspec:XO [(match_operand:XO 1 "accumulator_operand" "0,0")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 3 "vsx_register_operand" "v,?wa")
(match_operand:SI 4 "const_0_to_15_operand" "n,n")
@@ -856,7 +856,7 @@
(set_attr "prefixed" "yes")])
(define_insn "mma_<vvi4i4i2>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
(unspec:XO [(match_operand:V16QI 1 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")
(match_operand:SI 3 "const_0_to_15_operand" "n,n")
@@ -869,8 +869,8 @@
(set_attr "prefixed" "yes")])
(define_insn "mma_<avvi4i4i2>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
- (unspec:XO [(match_operand:XO 1 "fpr_reg_operand" "0,0")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
+ (unspec:XO [(match_operand:XO 1 "accumulator_operand" "0,0")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 3 "vsx_register_operand" "v,?wa")
(match_operand:SI 4 "const_0_to_15_operand" "n,n")
@@ -883,7 +883,7 @@
(set_attr "prefixed" "yes")])
(define_insn "mma_<vvi4i4>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
(unspec:XO [(match_operand:V16QI 1 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")
(match_operand:SI 3 "const_0_to_15_operand" "n,n")
@@ -895,8 +895,8 @@
(set_attr "prefixed" "yes")])
(define_insn "mma_<avvi4i4>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
- (unspec:XO [(match_operand:XO 1 "fpr_reg_operand" "0,0")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
+ (unspec:XO [(match_operand:XO 1 "accumulator_operand" "0,0")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 3 "vsx_register_operand" "v,?wa")
(match_operand:SI 4 "const_0_to_15_operand" "n,n")
@@ -908,7 +908,7 @@
(set_attr "prefixed" "yes")])
(define_insn "mma_<pvi4i2>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
(unspec:XO [(match_operand:OO 1 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")
(match_operand:SI 3 "const_0_to_15_operand" "n,n")
@@ -920,8 +920,8 @@
(set_attr "prefixed" "yes")])
(define_insn "mma_<apvi4i2>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
- (unspec:XO [(match_operand:XO 1 "fpr_reg_operand" "0,0")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
+ (unspec:XO [(match_operand:XO 1 "accumulator_operand" "0,0")
(match_operand:OO 2 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 3 "vsx_register_operand" "v,?wa")
(match_operand:SI 4 "const_0_to_15_operand" "n,n")
@@ -933,7 +933,7 @@
(set_attr "prefixed" "yes")])
(define_insn "mma_<vvi4i4i4>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
(unspec:XO [(match_operand:V16QI 1 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")
(match_operand:SI 3 "const_0_to_15_operand" "n,n")
@@ -946,8 +946,8 @@
(set_attr "prefixed" "yes")])
(define_insn "mma_<avvi4i4i4>"
- [(set (match_operand:XO 0 "fpr_reg_operand" "=&d,&d")
- (unspec:XO [(match_operand:XO 1 "fpr_reg_operand" "0,0")
+ [(set (match_operand:XO 0 "accumulator_operand" "=&wD,&wD")
+ (unspec:XO [(match_operand:XO 1 "accumulator_operand" "0,0")
(match_operand:V16QI 2 "vsx_register_operand" "v,?wa")
(match_operand:V16QI 3 "vsx_register_operand" "v,?wa")
(match_operand:SI 4 "const_0_to_15_operand" "n,n")
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