3.3.4-prerelease fails to build on alphaev6-dec-osf5.1

[Richard Henderson]

On Sun, May 23, 2004 at 10:48:16PM -0600, Roger Sayle wrote:
> Almost prophetically Eric's comment #22 on bugzilla PR 11864 reads
> "Beware, however, that other 64-bit ports might be affected by the
> same problem."  It's getting late, so I haven't yet checked if there's
> a CANNOT_CHANGE_MODE_CLASS patch for alpha on mainline, which might
> resolve this failure if backported.

I suspect this patch would fix the problem:

2004-01-19  Richard Henderson  <rth@redhat.com>
                                                                                
        * alpha.h (HARD_REGNO_MODE_OK): Disallow SImode in FP regs.
        * alpha.md (UNSPEC_NT_LDA): Remove.
        (UNSPEC_CVTLQ, cvtlq): New.
        (extendsidi2_1): Rename from extendsidi2_nofix; remove f/f.
        (extendsidi2_fix): Remove.
        (extendsidi2 splitter): Use cvtlq.
        (extendsidi2 fp peepholes): Remove.
        (cvtql): Use SFmode instead of SImode.
        (fix_trunc?fsi): Update to match.
        (floatsisf2_ieee, floatsisf2, floatsidf2_ieee, floatsidf2): New.
        (movsi): Rename from movsi_nofix, remove f alternatives.
        (movsi_nt_vms): Similarly.
        (movsi_fix, movsi_nt_vms_fix): Remove.
        (nt_lda): Remove.
        * alpha.c (alpha_expand_prologue): Use adddi3, not nt_lda.



r~