https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112853
Bug ID: 112853
Summary: RISC-V: RVV: SPEC2017 525.x264 regression
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: vineetg at gcc dot gnu.org
CC: juzhe.zhong at rivai dot ai, patrick at rivosinc dot com,
rdapp at gcc dot gnu.org
Target Milestone: ---
As of commit 3d104d93a701 ("ARC: Consistent use of whitespace in assembler
templates.") x264 build for RVV is segfaulting.
```
QEMU_CPU=rv64,vlen=256,zba=true,zbb=true,zbs=true,zicond=true,vext_spec=v1.0,Zve32f=true,Zve64f=true
qemu-riscv64 ./ldecod_r_base.rivos_rv64-m64 -i BuckBunny.264 -o BuckBunny.yuv
Setting Default Parameters...
Parsing Configfile decoder.cfg
----------------------------- JM 17.1 (FRExt) -----------------------------
--------------------------------------------------------------------------
Input H.264 bitstream : BuckBunny.264
Output decoded YUV : BuckBunny.yuv
Input reference file : test_rec.yuv
--------------------------------------------------------------------------
POC must = frame# or field# for SNRs to be correct
--------------------------------------------------------------------------
Frame POC Pic# QP SnrY SnrU SnrV Y:U:V Time(ms)
--------------------------------------------------------------------------
Input reference file : test_rec.yuv does not exist
SNR values are not available
Segmentation fault (core dumped)
```
It was fine at my prev checkpoint:
2023-11-22 6f59f959e751 hppa: Define MAX_FIXED_MODE_SIZE
Built with following flags
-Ofast -fno-lto -static -march=rv64gcv_zba_zbb_zbc_zbs_zicond -ftree-vectorize
--param=riscv-autovec-preference=scalable
