[Bug target/60137] Code fails with -mcpu=power8 -O3 -mno-vsx

wschmidt at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Apr 4 15:03:00 GMT 2014


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60137

--- Comment #4 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Author: wschmidt
Date: Fri Apr  4 15:02:38 2014
New Revision: 209111

URL: http://gcc.gnu.org/viewcvs?rev=209111&root=gcc&view=rev
Log:
[gcc]

2014-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

    Backport from mainline r207699.
    2014-02-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

    PR target/60137
    * config/rs6000/rs6000.md (128-bit GPR splitter): Add a splitter
    for VSX/Altivec vectors that land in GPR registers.

    Backport from mainline r207808.
    2014-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

    PR target/60203
    * config/rs6000/rs6000.md (rreg): Add TFmode, TDmode constraints.
    (mov<mode>_internal, TFmode/TDmode): Split TFmode/TDmode moves
    into 64-bit and 32-bit moves.  On 64-bit moves, add support for
    using direct move instructions on ISA 2.07.  Also adjust
    instruction length for 64-bit.
    (mov<mode>_64bit, TFmode/TDmode): Likewise.
    (mov<mode>_32bit, TFmode/TDmode): Likewise.

    Backport from mainline r207868.
    2014-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

    PR target/60203
    * config/rs6000/rs6000.md (mov<mode>_64bit, TF/TDmode moves):
    Split 64-bit moves into 2 patterns.  Do not allow the use of
    direct move for TDmode in little endian, since the decimal value
    has little endian bytes within a word, but the 64-bit pieces are
    ordered in a big endian fashion, and normal subreg's of TDmode are
    not allowed.
    (mov<mode>_64bit_dm): Likewise.
    (movtd_64bit_nodm): Likewise.

[gcc/testsuite]

2014-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

    Backport from mainline r207699.
    2014-02-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

    PR target/60137
    * gcc.target/powerpc/pr60137.c: New file.

    Backport from mainline r207808.
    2014-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

    PR target/60203
    * gcc.target/powerpc/pr60203.c: New testsuite.


Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/pr60137.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/pr60203.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/config/rs6000/rs6000.md
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog



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