Attachment 312984 Details for Bug 457220 – Optimized IA-32 build options

[patch] Optimized IA-32 build options

rpmrc-ia32-opt.txt (text/plain), 1.85 KB, created by Edwin ten Brink on 2008-07-30 11:16:59 UTC

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Creator: Edwin ten Brink

Created: 2008-07-30 11:16:59 UTC

Size: 1.85 KB

patch

obsolete

># diff -ur rpmrc.in.ori rpmrc.in
>--- rpmrc.in.ori	2008-07-30 12:53:45.000000000 +0200
>+++ rpmrc.in	2008-07-30 12:52:43.000000000 +0200
>@@ -15,17 +15,24 @@
> # "fat" binary with both archs, for Darwin
> optflags: fat -O2 -g -arch i386 -arch ppc
> 
>+# i386 is meant for generic binaries which will execute on all IA-32 processors,
>+# optimizations will be tuned for generic (i.e. current) processors.
> optflags: i386 -O2 -g -m32 -march=i386 -mtune=generic -fasynchronous-unwind-tables
> optflags: i486 -O2 -g -m32 -march=i486 -fasynchronous-unwind-tables
> optflags: i586 -O2 -g -m32 -march=i586 -fasynchronous-unwind-tables
>+# i686 is meant for generic binaries which will execute on modern IA-32 processors,
>+# optimizations will be tuned for generic (i.e. current) processors.
> optflags: i686 -O2 -g -m32 -march=i686 -mtune=generic -fasynchronous-unwind-tables
>-optflags: pentium3 -O2 -g -m32 -march=pentium3 -mtune=generic -fasynchronous-unwind-tables
>-optflags: pentium4 -O2 -g -m32 -march=pentium4 -mtune=generic -fasynchronous-unwind-tables
>-optflags: athlon -O2 -g -m32 -march=athlon -fasynchronous-unwind-tables
>-optflags: geode -Os -g -m32 -march=geode 
>+optflags: pentium3 -O2 -g -m32 -march=pentium3 -mfpmath=sse -msse -fasynchronous-unwind-tables
>+# Only later Pentium 4's (since Prescott) support SSE3
>+optflags: pentium4 -O2 -g -m32 -march=pentium4 -mfpmath=sse -msse2 -fasynchronous-unwind-tables
>+optflags: athlon -O2 -g -m32 -march=athlon -m3dnow -fasynchronous-unwind-tables
>+optflags: geode -Os -g -m32 -march=geode -m3dnow
>+# 64 bit architectures still need to be optimized for their specific architecture and
>+# instruction sets.
> optflags: ia64 -O2 -g -m64 -mtune=generic
> optflags: x86_64 -O2 -g -m64 -mtune=generic
>-optflags: amd64 -O2 -g -mtune=generic
>+optflags: amd64 -O2 -g -m64 -mtune=generic
> optflags: ia32e -O2 -g -m64 -mtune=generic
> 
> optflags: alpha -O2 -g -mieee

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