[STDCXX-544] [gcc] use __builtin functions

• Type: Improvement
• Status: In Progress
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 4.1.2, 4.1.3, 4.1.4, 4.2.0
• Fix Version/s: 4.3.0
• Component/s: Build and Installation

Environment

gcc

• Severity: Inefficiency
• Assignee: Martin Sebor
• Reporter: Mark Brown
• Created: 06/Sep/07 16:55
• Updated: 08/Apr/08 17:11

Description

Gcc provides many built-in equivalents of C library functions like memcpy or strlen for optimization purposes. stdcxx should take advantage of them when possible to deliver better performance.

http://gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Other-Builtins.html#Other-Builtins

Sub-Tasks

• [gcc] use string __builtins: Resolved
• [gcc] use math __builtins: Open
• [gcc] use __builtin_prefetch to optimize string: Open