Rebase gfx1250 WMMA/mcast/mxfp4 support onto main#243

Open

jli-melchior wants to merge 11 commits intomainfrom

pr/v0.1_gfx12-rebased

Commits on Mar 19, 2026

squash: pr/v0.1_gfx12 branch changes (87 commits)
jli-melchior
committed
refactor multi-stage pipeline

aoli26
authored and
jli-melchior
committed
pre-calc epilogue addresses to eliminate all s_set_vgpr_msb

aoli26
authored and
jli-melchior
committed
use ds_load_tr16_b128 to eliminate B bank conflicts

aoli26
authored and
jli-melchior
committed
support mcast

aoli26
authored and
jli-melchior
committed
add mcast unit tests

aoli26
authored and
jli-melchior
committed
add gemm mxfp4 support

aoli26
authored and
jli-melchior
committed
add mxfp4 scale preshuffle optimization

aoli26
authored and
jli-melchior
committed
fix scale preshuffle k-subtile permute and tile-m offset

aoli26
authored and
jli-melchior
committed
fix rebase issues: add missing GFX1250 interface methods and fix launch params
jli-melchior
committed
remove local build scripts, ir_dump, and _mlir symlink from repo
jli-melchior
committed