[Bug middle-end/89037] checking ice emitting 128-bit bit-field initializer

rsandifo at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue May 7 08:49:00 GMT 2019


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89037

--- Comment #8 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> ---
Author: rsandifo
Date: Tue May  7 08:49:05 2019
New Revision: 270936

URL: https://gcc.gnu.org/viewcvs?rev=270936&root=gcc&view=rev
Log:
Fix output_constructor_bitfield handling of wide bitfields (PR89037)

The testcase was failing because we were trying to access
TREE_INT_CST_ELT (x, 1) of a 128-bit integer that was small enough
to need only a single element.

2019-05-07  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
        Backport from mainline:
        2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>

        PR middle-end/89037
        * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
        instead of accessing TREE_INT_CST_ELT directly.

gcc/testsuite/
        Backport from mainline:
        2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>

        PR middle-end/89037
        * gcc.dg/pr89037.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.dg/pr89037.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/varasm.c


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