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PATCH: Enable TFmode for x86

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: "Joseph S. Myers" <joseph at codesourcery dot com>
Cc: Uros Bizjak <ubizjak at gmail dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Sun, 29 Jun 2008 10:36:40 -0700
Subject: PATCH: Enable TFmode for x86

I am enclosing 3 patches to enable TFmode for x86:

1. gcc-float128-3.patch. Support TFmode in x86 backend.
2. gcc-quad-1.patch. Add x86 support to soft-fp.
3. gcc-quadtest-2.patch. Enable __float80/__float128 tests for
x86.

I added x86 soft-fp support to libgcc. But I didn't move soft-fp to
libgcc since it involves too many parts of gcc.  I will look into 
supporting __builtin_fabsq and __builtin_copysignq for x86 when
SSE2 is enabled after __float128 support for x86 is checked in.
I am testing them on Linux/ia32, Linux/ia64 and Linux/x86-64. OK
to install if there are no regressions?

Thanks.


H.J.

Attachment: gcc-float128-3.patch
Description: Text document

Attachment: gcc-quad-1.patch
Description: Text document

Attachment: gcc-quadtest-2.patch
Description: Text document

Follow-Ups:
- Re: PATCH: Enable TFmode for x86
  - From: Joseph S. Myers
- Re: PATCH: Enable TFmode for x86
  - From: H.J. Lu

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