[OE-core] [PATCH] gcc: add patch to fix errors with Decimal64 type

[Khem Raj]

On Wed, May 28, 2014 at 6:24 AM, Alexandru-Cezar Sardan
<alexandru.sardan at freescale.com> wrote:
> [OE-core bug #6270] - https://bugzilla.yoctoproject.org/show_bug.cgi?id=6270
>

This looks good.

> Signed-off-by: Alexandru-Cezar Sardan <alexandru.sardan at freescale.com>
> ---
>  meta/recipes-devtools/gcc/gcc-4.9.inc              |    1 +
>  ...-E500-SPE-errors-with-the-_Decimal64-type.patch |   98 ++++++++++++++++++++
>  2 files changed, 99 insertions(+)
>  create mode 100644 meta/recipes-devtools/gcc/gcc-4.9/0052-Fix-GCC-targeting-E500-SPE-errors-with-the-_Decimal64-type.patch
>
> diff --git a/meta/recipes-devtools/gcc/gcc-4.9.inc b/meta/recipes-devtools/gcc/gcc-4.9.inc
> index a409430..9b4fc2c 100644
> --- a/meta/recipes-devtools/gcc/gcc-4.9.inc
> +++ b/meta/recipes-devtools/gcc/gcc-4.9.inc
> @@ -65,6 +65,7 @@ SRC_URI = "${GNU_MIRROR}/gcc/gcc-${PV}/gcc-${PV}.tar.bz2 \
>            file://0049-Enable-SPE-AltiVec-generation-on-powepc-linux-target.patch \
>            file://0050-Revert-Use-dbx_reg_number-for-spanning-registers.patch \
>             file://0051-eabispe.patch \
> +           file://0052-Fix-GCC-targeting-E500-SPE-errors-with-the-_Decimal64-type.patch \
>           "
>  SRC_URI[md5sum] = "9709b49ae0e904cbb0a6a1b62853b556"
>  SRC_URI[sha256sum] = "b9b047a97bade9c1c89970bc8e211ff57b7b8998a1730a80a653d329f8ed1257"
> diff --git a/meta/recipes-devtools/gcc/gcc-4.9/0052-Fix-GCC-targeting-E500-SPE-errors-with-the-_Decimal64-type.patch b/meta/recipes-devtools/gcc/gcc-4.9/0052-Fix-GCC-targeting-E500-SPE-errors-with-the-_Decimal64-type.patch
> new file mode 100644
> index 0000000..ccfea9d
> --- /dev/null
> +++ b/meta/recipes-devtools/gcc/gcc-4.9/0052-Fix-GCC-targeting-E500-SPE-errors-with-the-_Decimal64-type.patch
> @@ -0,0 +1,98 @@
> +From e44a6d438db4848c2a555be773568a3cf7994206 Mon Sep 17 00:00:00 2001
> +From: Alexandru-Cezar Sardan <alexandru.sardan at freescale.com>
> +Date: Mon, 26 May 2014 12:11:13 +0300
> +Subject: [PATCH] Fix E500 with SPE errors with the _Decimal64 type
> +
> +[gcc]
> +2014-04-21 Michael Meissner  <meissner at linux.vnet.ibm.com>
> +
> +       PR target/60735
> +       * config/rs6000/rs6000.md (mov<mode>_softfloat32, FMOVE64 case):
> +       If mode is DDmode and TARGET_E500_DOUBLE allow move.
> +
> +       * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print some
> +       more debug information for E500 if -mdebug=reg.
> +
> +[gcc/testsuite]
> +2014-04-21  Michael Meissner  <meissner at linux.vnet.ibm.com>
> +
> +       PR target/60735
> +       * gcc.target/powerpc/pr60735.c: New test.  Insure _Decimal64 does
> +       not cause errors if -mspe.
> +
> +Upstream status: Accepted
> +
> +This solves upstream bug 60735
> +(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60735).
> +
> +Patch taken from https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=209664
> +---
> + gcc/config/rs6000/rs6000.c                 |   18 ++++++++++++++++++
> + gcc/config/rs6000/rs6000.md                |    3 ++-
> + gcc/testsuite/gcc.target/powerpc/pr60735.c |   11 +++++++++++
> + 3 files changed, 31 insertions(+), 1 deletion(-)
> + create mode 100644 gcc/testsuite/gcc.target/powerpc/pr60735.c
> +
> +diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
> +index 494efc5..6dcf440 100644
> +--- a/gcc/config/rs6000/rs6000.c
> ++++ b/gcc/config/rs6000/rs6000.c
> +@@ -2283,6 +2283,24 @@ rs6000_debug_reg_global (void)
> +   if (rs6000_float_gprs)
> +     fprintf (stderr, DEBUG_FMT_S, "float_gprs", "true");
> +
> ++  fprintf (stderr, DEBUG_FMT_S, "fprs",
> ++         (TARGET_FPRS ? "true" : "false"));
> ++
> ++  fprintf (stderr, DEBUG_FMT_S, "single_float",
> ++         (TARGET_SINGLE_FLOAT ? "true" : "false"));
> ++
> ++  fprintf (stderr, DEBUG_FMT_S, "double_float",
> ++         (TARGET_DOUBLE_FLOAT ? "true" : "false"));
> ++
> ++  fprintf (stderr, DEBUG_FMT_S, "soft_float",
> ++         (TARGET_SOFT_FLOAT ? "true" : "false"));
> ++
> ++  fprintf (stderr, DEBUG_FMT_S, "e500_single",
> ++         (TARGET_E500_SINGLE ? "true" : "false"));
> ++
> ++  fprintf (stderr, DEBUG_FMT_S, "e500_double",
> ++         (TARGET_E500_DOUBLE ? "true" : "false"));
> ++
> +   if (TARGET_LINK_STACK)
> +     fprintf (stderr, DEBUG_FMT_S, "link_stack", "true");
> +
> +diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
> +index 64c9e7c..9cefe15 100644
> +--- a/gcc/config/rs6000/rs6000.md
> ++++ b/gcc/config/rs6000/rs6000.md
> +@@ -9395,7 +9395,8 @@
> +       (match_operand:FMOVE64 1 "input_operand" "r,Y,r,G,H,F"))]
> +   "! TARGET_POWERPC64
> +    && ((TARGET_FPRS && TARGET_SINGLE_FLOAT)
> +-       || TARGET_SOFT_FLOAT || TARGET_E500_SINGLE)
> ++       || TARGET_SOFT_FLOAT || TARGET_E500_SINGLE
> ++       || (<MODE>mode == DDmode && TARGET_E500_DOUBLE))
> +    && (gpc_reg_operand (operands[0], <MODE>mode)
> +        || gpc_reg_operand (operands[1], <MODE>mode))"
> +   "#"
> +diff --git a/gcc/testsuite/gcc.target/powerpc/pr60735.c b/gcc/testsuite/gcc.target/powerpc/pr60735.c
> +new file mode 100644
> +index 0000000..9bac30b
> +--- /dev/null
> ++++ b/gcc/testsuite/gcc.target/powerpc/pr60735.c
> +@@ -0,0 +1,11 @@
> ++/* { dg-do compile } */
> ++/* { dg-options "-mcpu=8548 -mspe -mabi=spe -O2" } */
> ++/* { dg-skip-if "not an SPE target" { ! powerpc_spe_nocache } { "*" } { "" } } */
> ++
> ++/* In PR60735, the type _Decimal64 generated an insn not found message.  */
> ++
> ++void
> ++pr60735 (_Decimal64 *p, _Decimal64 *q)
> ++{
> ++  *p = *q;
> ++}
> +--
> +1.7.9.5
> +
> --
> 1.7.9.5
>
> --
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