http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56508
Bug #: 56508
Summary: [SH] Add support for rtv/n instruction
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: enhancement
Priority: P3
Component: target
AssignedTo: [email protected]
ReportedBy: [email protected]
Target: sh2a*-*-*
The SH2A supports a variant of the classical 'rts' instruction which can
shorten function returns:
... some code, result value in r3 ...
rts
mov r3,r0
on SH2A can be done in one instruction:
rtv/n r3
