[#STDCXX-732] [XLC++] use builtin functions

C++ Standard Library

Created: 19/Feb/08 10:49 PM Updated: 14/May/08 06:23 PM

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Component/s:

Build and Installation

Affects Version/s:

4.2.0, 4.2.1

Fix Version/s:

4.3.0

Time Tracking:

Original Estimate:

16h

Remaining Estimate:

16h

Time Spent:

Not Specified

Environment:

IBM XLC++

Issue Links:

Reference

This issue is related to:

STDCXX-722 [gcc] use math __builtins

Severity:

Inefficiency

Description

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As Travis suggests in his comment on STDCXX-722, we should make use of XLC++ built-ins the same way we are taking advantage of gcc intrinsics.

The book Built-in functions for POWER and PowerPC architectures outlines the set of built-in functions available in the IBM XLC++ compiler on PowerPC.

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Related to the analogous issue for gcc.

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Target 4.3.0, just like STDCXX-722.