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[PATCH, alpha]: Fix PR 64113, Error: No lda !gpdisp!282 was found

From: Uros Bizjak <ubizjak at gmail dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Cc: Richard Henderson <rth at redhat dot com>
Date: Tue, 2 Dec 2014 11:10:11 +0100
Subject: [PATCH, alpha]: Fix PR 64113, Error: No lda !gpdisp!282 was found
Authentication-results: sourceware.org; auth=none

Hello!

As mentioned in the PR, we need accurate gp live analysis to split
__tls_get_addr call. Move split from post-reload splitter to peephole2
pass, as is the case with other call insns.

2014-12-02  Uros Bizjak  <ubizjak@gmail.com>

    PR target/64113
    * config/alpha/alpha.md (call_value_osf_tlsgd): Do not split insn
    using post-reload splitter.  Use peephole2 pass instead.
    (call_value_osf_tlsldm): Ditto.
    (TLS_CALL): New int iterator.
    (tls): New int attribute.
    (call_value_osf_<tls>): Merge insn pattern from call_value_osf_tlsgd
    and call_value_tlsldm using TLS_CALL int iterator.

Bootstrapped and regression tested on alphaev68-linux-gnu, also tested
by building systemd-217 that failed to compile without the patch.

Committed to mainline SVN, will be committed to 4.9 branch.

Uros.

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