`52e0a7ed7b45`

amdgcn: derive s_endpgm and descriptor from named fields

build

status	compiler
build time	32.3s
peak RSS	1843 MB
cache	warm
machine	Linux/x86_64, AMD EPYC-Rome Processor, 4 cores, 7.6 GB RAM
bootstrap zig	`0.17.0-dev.1252+e4b325c19`
download	compiler (.zst)

occupancy = wavefronts per SIMD (higher is better); derived from VGPR count for gfx1100.

kernel	metric	value	occupancy
empty.zig	instructions	1	-
empty.zig	kernarg_bytes	0	-
empty.zig	lds_bytes	0	-
empty.zig	scratch_bytes	0	-
empty.zig	sgpr	0	-
empty.zig	text_bytes	4	-
empty.zig	vgpr	0	16
splat.zig	instructions	1	-
splat.zig	kernarg_bytes	0	-
splat.zig	lds_bytes	0	-
splat.zig	scratch_bytes	0	-
splat.zig	sgpr	0	-
splat.zig	text_bytes	4	-
splat.zig	vgpr	0	16
store_const.zig	instructions	1	-
store_const.zig	kernarg_bytes	0	-
store_const.zig	lds_bytes	0	-
store_const.zig	scratch_bytes	0	-
store_const.zig	sgpr	0	-
store_const.zig	text_bytes	4	-
store_const.zig	vgpr	0	16