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| author | Jakub Jelinek <jakub@redhat.com> | 2025-09-04 18:52:47 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2025-09-04 18:52:47 +0200 |
| commit | e2e01a893c1770e23ec1a573403688198c321b0e (patch) | |
| tree | 97076a6bd82847509f7eace1a6029aa9e49ec0a2 /gcc/ABOUT-GCC-NLS | |
| parent | 79d9ff28c2da0fde4aae0c034d7d39ef27558c14 (diff) | |
| download | gcc-master.zip gcc-master.tar.gz gcc-master.tar.bz2 | |
In r16-3414 libstdc++ changed ABI for (still experimental C++20) and uses
unordered value -128 instead of 2. Generally the change improved code
generation on all targets tested, see
https://gcc.gnu.org/pipermail/gcc-patches/2025-August/693534.html
for details.
In r16-3474 I've adjusted the middle-end and backends to use that value.
This apparently broke the spaceship_1.C test on aarch64 which scans the
exact function bodies which are now different.
The following patch adjusts the full body patterns to match. On these
2 routines, the generated code is 1 insn longer than in the past, so if
you have ideas how to change the code generation for the common case of
-1, 0, 1, -128 value, maybe it could be improved.
2025-09-04 Jakub Jelinek <jakub@redhat.com>
PR testsuite/121732
PR target/117013
* g++.target/aarch64/spaceship_1.C: Adjust expected fn bodies
for _Z8ss_floatff and _Z9ss_doubledd.
Diffstat (limited to 'gcc/ABOUT-GCC-NLS')
0 files changed, 0 insertions, 0 deletions