[Backport] ira: Consider save/restore costs of callee-save registers-gcc-AtomGit

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[Backport] ira: Consider save/restore costs of callee-save registers #397

haibaooAdd on Aug 23Merged fromqq_56722097/gcc： backport-ira-callee-save-costs into openeuler/gcc： master

[Backport] ira: Consider save/restore costs of callee-save registers #397

Merged

haibaooAdd on Aug 23

Merged fromqq_56722097/gcc backport-ira-callee-save-costsintoopeneuler/gcc master

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2026-08-31

[Backport] aarch64: Treat SVE modes as full-Z for callee-save accounting [PR122827]

KKyrylo Tkachovwritten in May 28, and

qq_56722097Submitted on Aug 31

2e7d2527

2026-08-21

[Backport] force-indirect-call-2.c: Allow indirect branch via GOT

HH.J. Luwritten in Jan 31, 2025, and

qq_56722097Submitted on Aug 21

de22919e

[Testsuite] Adapt IRA callee-save tests for GCC 12

qq_56722097Submitted on Aug 21

6edb9bab

[Backport] ira: Add new hooks for callee-save vs spills [PR117477]

RRichard Sandifordwritten in Mar 6, 2025, and

qq_56722097Submitted on Aug 21

02efb633

[Backport] [PR118497][IRA]: Fix calculation of cost of assigning callee-saved hard reg

VVladimir N. Makarovwritten in Jan 25, 2025, and

qq_56722097Submitted on Aug 21

2c1672c4

2026-08-18

[Testsuite] Add x86 test for PR rtl-optimization/110071

qq_56722097Submitted on Aug 18

dc400f11

[Backport] x86: Add a test for PR rtl-optimization/111673

HH.J. Luwritten in Feb 2, 2025, and

qq_56722097Submitted on Aug 18

11d8231e

[Backport] ira: Scale save/restore costs of callee save registers with block frequency

SSurya Kumari Jangalawritten in Jun 25, 2024, and

qq_56722097Submitted on Aug 18

469f9cd4

[Backport] ira: Consider save/restore costs of callee-save registers [PR110071]

SSurya Kumari Jangalawritten in Sep 14, 2023, and

qq_56722097Submitted on Aug 18

7d418400