OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

agx: Check for spilling in release builds

Browse Source 
Don't smash stack -- explain to the user what happened.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26056>
This commit is contained in:
Alyssa Rosenzweig
2023-10-13 06:45:46 -04:00
committed by Marge Bot
parent 7b92c63105
commit b18181d924
1 changed files with 13 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/asahi/compiler/agx_register_allocate.c
View File

@@ -1145,6 +1145,19 @@ agx_ra(agx_context *ctx)
unsigned demand =
ALIGN_POT(agx_calc_register_demand(ctx, ncomps), reg_file_alignment);
/* TODO: Spilling. Abort so we don't smash the stack in release builds. */
if (demand > AGX_NUM_REGS) {
fprintf(stderr, "\n");
fprintf(stderr, "------------------------------------------------\n");
fprintf(stderr, "Asahi Linux shader compiler limitation!\n");
fprintf(stderr, "We ran out of registers! Nyaaaa 😿\n");
fprintf(stderr, "Do not report this as a bug.\n");
fprintf(stderr, "We know -- we're working on it!\n");
fprintf(stderr, "------------------------------------------------\n");
fprintf(stderr, "\n");
abort();
}
/* Round up the demand to the maximum number of registers we can use without
* affecting occupancy. This reduces live range splitting.
*/