[Bug target/117218] Miscompilation: A possible miscompilation triggered by the `__riscv_vcreate_v_u32m1x2` RVV intrinsic in GCC 14

2024-10-18 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117218 --- Comment #1 from Yibo He --- There is a small mistake in the above comment (code command). Update: $riscv64-unknown-elf-gcc -march=rv64gcv_zvfh -mabi=lp64d -Wno-psabi -static -O 1.c -o a.out && qemu-riscv64 a.out $0 0 0 a4c26086 c84e12fd $ri

[Bug target/117218] New: Miscompilation: A possible miscompilation triggered by the `__riscv_vcreate_v_u32m1x2` RVV intrinsic in GCC 14

2024-10-18 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117218 Bug ID: 117218 Summary: Miscompilation: A possible miscompilation triggered by the `__riscv_vcreate_v_u32m1x2` RVV intrinsic in GCC 14 Product: gcc Version: 14.2

[Bug target/117286] New: [RISC-V] internal compiler error: Segmentation fault `__riscv_vlmul_ext_v_f16mf2_f16m1`

2024-10-24 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117286 Bug ID: 117286 Summary: [RISC-V] internal compiler error: Segmentation fault `__riscv_vlmul_ext_v_f16mf2_f16m1` Product: gcc Version: 14.2.0 Status: UNCONFIRMED

[Bug target/117283] New: [RISC-V] Miscompilation triggered by `__riscv_vsseg7e32_v_i32m1x7`, GCC 14.2.0 at `-O1`, `-O2`, `-O3`, and `-Os`.

2024-10-24 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117283 Bug ID: 117283 Summary: [RISC-V] Miscompilation triggered by `__riscv_vsseg7e32_v_i32m1x7`, GCC 14.2.0 at `-O1`, `-O2`, `-O3`, and `-Os`. Product: gcc Version: 1

[Bug target/117283] [RISC-V] Miscompilation triggered by `__riscv_vsseg7e32_v_i32m1x7`, GCC 14.2.0 at `-O1`, `-O2`, `-O3`, and `-Os`.

2024-10-24 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117283 --- Comment #1 from Yibo He --- The data initialization is long, because I find that this bug is triggered when long data input. If anyone has a better submission format for code like this, please let me know.

[Bug target/117283] [RISC-V] Miscompilation triggered by `__riscv_vsseg7e32_v_i32m1x7`, GCC 14.2.0 at `-O1`, `-O2`, `-O3`, and `-Os`.

2024-10-28 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117283 --- Comment #5 from Yibo He --- (In reply to xu...@eswincomputing.com from comment #4) > (In reply to xu...@eswincomputing.com from comment #3) > > (In reply to Yibo He from comment #1) > > > The data initialization is long, because I find that

[Bug target/117283] [RISC-V] Miscompilation triggered by `__riscv_vsseg7e32_v_i32m1x7`, GCC 14.2.0 at `-O1`, `-O2`, `-O3`, and `-Os`.

2024-10-28 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117283 --- Comment #6 from Yibo He --- (In reply to xu...@eswincomputing.com from comment #3) > (In reply to Yibo He from comment #1) > > The data initialization is long, because I find that this bug is triggered > > when long data input. If anyone has

[Bug target/117283] [RISC-V] Miscompilation triggered by `__riscv_vsseg7e32_v_i32m1x7`, GCC 14.2.0 at `-O1`, `-O2`, `-O3`, and `-Os`.

2024-10-28 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117283 --- Comment #7 from Yibo He --- (In reply to Yibo He from comment #6) `__riscv_vsseg7e32_v_i32m1x7(ptr_d, vb, vl);` will change the first four elements of c after 126 iterations (on qemu with VLEN=128, found by gdb)

[Bug target/117314] New: [RISC-V] Miscompilation triggered by segment load-store, GCC 14.2.0 at `-O0`.

2024-10-27 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117314 Bug ID: 117314 Summary: [RISC-V] Miscompilation triggered by segment load-store, GCC 14.2.0 at `-O0`. Product: gcc Version: 14.2.0 Status: UNCONFIRMED Severity

[Bug target/117218] Miscompilation: A possible miscompilation triggered by the `__riscv_vcreate_v_u32m1x2` RVV intrinsic in GCC 14

2024-10-26 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117218 Yibo He changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

[Bug target/117283] [RISC-V] Miscompilation triggered by `__riscv_vsseg7e32_v_i32m1x7`, GCC 14.2.0 at `-O1`, `-O2`, `-O3`, and `-Os`.

2024-10-25 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117283 --- Comment #2 from Yibo He --- Created attachment 59436 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59436&action=edit reduced testcase Created attachment: reduced testcase

[Bug target/117286] [RISC-V] internal compiler error: Segmentation fault `__riscv_vlmul_ext_v_f16mf2_f16m1`

2024-10-25 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117286 --- Comment #1 from Yibo He --- Created attachment 59437 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59437&action=edit reduced testcase

[Bug target/117283] [RISC-V] Miscompilation triggered by `__riscv_vsseg7e32_v_i32m1x7`, GCC 14.2.0 at `-O1`, `-O2`, `-O3`, and `-Os`.

2024-12-02 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117283 Yibo He changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

[Bug target/117314] [RISC-V] Miscompilation triggered by segment load-store, GCC 14.2.0 at `-O0`.

2024-12-02 Thread yibohe at pku dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117314 Yibo He changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---