Page MenuHomeFreeBSD

csu: Avoid additional nops in the MIPS INIT_CALL_SEQ macro
ClosedPublic

Authored by arichardson on May 27 2020, 11:55 AM.
Tags
None
Referenced Files
F163623881: D25025.diff
Fri, Jul 24, 11:03 PM
Unknown Object (File)
Tue, Jul 21, 5:43 AM
Unknown Object (File)
Sat, Jul 18, 8:40 AM
Unknown Object (File)
Mon, Jul 13, 4:46 AM
Unknown Object (File)
Sun, Jul 12, 1:39 AM
Unknown Object (File)
Sun, Jul 5, 9:49 AM
Unknown Object (File)
Sun, Jul 5, 5:49 AM
Unknown Object (File)
Sat, Jul 4, 3:03 AM
Subscribers

Details

Summary

Since we had a .set reorder, the nop after the "jal" was being placed after
the delay slot, resulting in two nops.
While changing this code also guard the .set noreorder with .set push/pop
and use $zero as the cpsetup save register since we don't need to save $gp.

Diff Detail

Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 31328
Build 28965: arc lint + arc unit