Landing: ec5e102d66f1

Project / Subsystem

gcc / testsuite

Date

2026-08-18

Author

Matt Turner

Commit

ec5e102d66f182c9028fb88a7354a32a73ed0347

Source

github

Perf win

No

Breaking

No

All attributes

project
gcc
subsystem
testsuite
patch_id
—
commit_hash
ec5e102d66f182c9028fb88a7354a32a73ed0347
source_type
github
headline
Skip memory comparison tests on Alpha
tldr
Tests for memory comparison optimization are skipped on Alpha due to its handling of memory accesses.
author
Matt Turner
outcome
committed
performance_win
false
breaking_change
false
series_id
gcc:testsuite: skip cmp-mem-const on alpha
series_parts
[]
tags
  • • testsuite
  • • alpha
  • • optimization
discussion_id_link
—
bugzilla_pr
—
date
2026-08-18T00:00:00.000Z

Several test cases (cmp-mem-const-*.c) check for compiler optimizations that narrow memory comparisons. Alpha’s combine pass does not perform this narrowing for memory accesses, causing these tests to fail. Similar to Sparc and HPPA, these tests are now skipped on Alpha.