Re: [PATCH] recog: Disallow subregs in mode-punned value [PR115881]

2024-07-30 Thread Jeff Law
On 7/19/24 11:37 AM, Richard Sandiford wrote: In g:9d20529d94b23275885f380d155fe8671ab5353a, I'd extended insn_propagation to handle simple cases of hard-reg mode punning. The punned "to" value was created using simplify_subreg rather than simplify_gen_subreg, on the basis that hard-coded subr

Ping: [PATCH] recog: Disallow subregs in mode-punned value [PR115881]

2024-07-29 Thread Richard Sandiford
Ping Richard Sandiford writes: > In g:9d20529d94b23275885f380d155fe8671ab5353a, I'd extended > insn_propagation to handle simple cases of hard-reg mode punning. > The punned "to" value was created using simplify_subreg rather > than simplify_gen_subreg, on the basis that hard-coded subregs > aren

[PATCH] recog: Disallow subregs in mode-punned value [PR115881]

2024-07-19 Thread Richard Sandiford
In g:9d20529d94b23275885f380d155fe8671ab5353a, I'd extended insn_propagation to handle simple cases of hard-reg mode punning. The punned "to" value was created using simplify_subreg rather than simplify_gen_subreg, on the basis that hard-coded subregs aren't generally useful after RA (where hard-re