Landing: 2c3ff1f475d1

Project / Subsystem

gcc / gcc

Date

2026-08-07

Author

Aldy Hernandez

Commit

2c3ff1f475d11a5576adf4c72e8bd5b74ce5b060

Source

github

Perf win

Yes

Breaking

No

All attributes

project
gcc
subsystem
gcc
patch_id
—
commit_hash
2c3ff1f475d11a5576adf4c72e8bd5b74ce5b060
source_type
github
headline
Convert float-to-int casts to sub-ranges.
tldr
Float-to-int casts are converted to sub-ranges for improved analysis.
author
Aldy Hernandez
outcome
committed
performance_win
true
breaking_change
false
series_id
—
series_parts
[]
tags
  • • gcc
  • • optimization
  • • float
  • • integer
  • • range-analysis
discussion_id_link
—
bugzilla_pr
—
date
2026-08-07T00:00:00.000Z

The compiler now converts floating-point to integer casts into operations on sub-ranges. This change improves the compiler’s ability to analyze and optimize these conversions by breaking them down into more manageable components. A new test case has been added to verify this functionality.