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SDK/Toolchains/Meetings/Notes20101108

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=== Agenda ===
=== Agenda ===
 +
* Status
 +
* Optimization flags (mail discussion regarding NEON, VFPv3 D16/D32)
 +
* AOB
 +
 +
=== Status ===
 +
* Common base for the MeeGo Toolchain in Release 1.2 is gcc-4.5.1
 +
ARM:
 +
* Move to hardfp for 1.2, but building hard+soft for grace time.
 +
* Nokia wants hardfp support to ARM toolchain (option -mfloat-abi=hardfp) -> Binary break compared to Release 1.1
 +
* Effects also to RPM package manager (must be capable to detect hardfp architecture)
 +
* Change Proposal is needed to get approval from MeeGo TSG. Jarmo will prepare.
 +
* Communication material needed
 +
* Linaro ARM backports to gcc-4.5.1
 +
* Do we need backport also to binutils?
 +
 +
x86:
 +
* Austin tested 4.5.1 and found no issues so far for x86 (main repo). More tests on applications as Browser needed -> rebenchmark. Which benchmarks to use ?
 +
* Bootsrap is needed for gcc-4.5.1
 +
* New toolchain is needed to OBS devel:base and to trunk:testing at 12/2010
 +
 +
=== Optimization flags (mail discussion regarding NEON, VFPv3 D16/D32) ===

Revision as of 14:01, 17 January 2011

Contents

Date and Time

Monday 2010-11-08 @8.30 - 9.30 UTC

Agenda

  • Status
  • Optimization flags (mail discussion regarding NEON, VFPv3 D16/D32)
  • AOB

Status

  • Common base for the MeeGo Toolchain in Release 1.2 is gcc-4.5.1

ARM:

  • Move to hardfp for 1.2, but building hard+soft for grace time.
  • Nokia wants hardfp support to ARM toolchain (option -mfloat-abi=hardfp) -> Binary break compared to Release 1.1
  • Effects also to RPM package manager (must be capable to detect hardfp architecture)
  • Change Proposal is needed to get approval from MeeGo TSG. Jarmo will prepare.
  • Communication material needed
  • Linaro ARM backports to gcc-4.5.1
  • Do we need backport also to binutils?

x86:

  • Austin tested 4.5.1 and found no issues so far for x86 (main repo). More tests on applications as Browser needed -> rebenchmark. Which benchmarks to use ?
  • Bootsrap is needed for gcc-4.5.1
  • New toolchain is needed to OBS devel:base and to trunk:testing at 12/2010

Optimization flags (mail discussion regarding NEON, VFPv3 D16/D32)

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