https://gcc.gnu.org/g:ce3c312f6788a379a4ca7b55f5ca00be7308f18a
commit ce3c312f6788a379a4ca7b55f5ca00be7308f18a Author: Surya Kumari Jangala <[email protected]> Date: Fri Jul 10 01:43:04 2026 -0500 fix mma_disassemble_acc It is incorrect to use wD constraint for the first operand because we cannot copy from DMR to memory. Diff: --- gcc/config/rs6000/mma.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/config/rs6000/mma.md b/gcc/config/rs6000/mma.md index 382bd1f1f294..c12085fe3f00 100644 --- a/gcc/config/rs6000/mma.md +++ b/gcc/config/rs6000/mma.md @@ -824,11 +824,11 @@ (define_insn_and_split "*mma_disassemble_acc" [(set (match_operand:V16QI 0 "mma_disassemble_output_operand" "=mwa") - (unspec:V16QI [(match_operand:XO 1 "accumulator_operand" "wD") + (unspec:V16QI [(match_operand:XO 1 "fpr_reg_operand" "d") (match_operand 2 "const_0_to_3_operand")] UNSPEC_MMA_EXTRACT))] "TARGET_MMA - && accumulator_operand (operands[1], XOmode)" + && fpr_reg_operand (operands[1], XOmode)" "#" "&& reload_completed" [(const_int 0)]
