Fixes are available
APAR status
Closed as program error.
Error description
Code generated to build certain 64-bit long long constants is not optimal and does not always need to load from the TOC. ===== TEST CASE ===== extern "C" unsigned long long c0x0000ffffffff0000() { return 0x0000fffffff0000ULL; } Code Generated at -O2: | 000000 PDEF c0x0000ffffffff0000 3| PROC 5| 000000 ld E8620008 1 L8 gr3=.+CONSTANT_AREA(gr2,0) 5| 000004 ld E8630000 1 L8 gr3=+CONSTANT_AREA(gr3,0) 6| 000008 bclr 4E800020 1 BA lr
Local fix
Problem summary
PROBLEM DESCRIPTION: To avoid loads from the constant area and to get better performance, and a smaller TOC size. USERS AFFECTED: Users who use -q64.
Problem conclusion
The constants are divided into several pieces and generated using ADDI and RLDIC.
Temporary fix
Comments
APAR Information
APAR number
LI77935
Reported component name
XL C/C++ FOR LI
Reported component ID
5725C7300
Reported release
C10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2014-04-30
Closed date
2014-04-30
Last modified date
2014-04-30
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
XL C/C++ FOR LI
Fixed component ID
5725C7300
Applicable component levels
RC10 PSN IV52918
UP06/09/13
[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSXVZZ","label":"XL C\/C++ for Linux"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"12.1","Line of Business":{"code":"LOB57","label":"Power"}}]
Document Information
Modified date:
16 October 2021