[OE-core] [PATCH 2/3] powerpc e500: set -mfloat-gprs=double

[Chris Larson]

On Fri, Apr 6, 2012 at 10:40 PM, Khem Raj <raj.khem at gmail.com> wrote:
> On 03/27/2012 12:51 PM, Christopher Larson wrote:
>> From: Christopher Larson <chris_larson at mentor.com>
>>
>> Use of FPRs instead of GPRs is incompatible with e500/SPE, so let's
>> be explicit about the use of GPRs to avoid potential errors. For
>> example, with the Sourcery G++ toolchain, one can hit:
>> conftest.c:1:0: error: E500 and FPRs not supported.
>>
>> Signed-off-by: Christopher Larson <chris_larson at mentor.com> ---
>> meta/conf/machine/include/tune-ppce500.inc   |    2 +-
>> meta/conf/machine/include/tune-ppce500v2.inc |    2 +- 2 files
>> changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/meta/conf/machine/include/tune-ppce500.inc
>> b/meta/conf/machine/include/tune-ppce500.inc index 1326720..feb1967
>> 100644 --- a/meta/conf/machine/include/tune-ppce500.inc +++
>> b/meta/conf/machine/include/tune-ppce500.inc @@ -7,7 +7,7 @@
>> TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "ppce500",
>> "-mcpu=8540", " TUNE_PKGARCH_tune-ppce500 = "ppce500"
>>
>> TUNEVALID[spe] = "Enable SPE ABI extensions" -TUNE_CCARGS +=
>> "${@bb.utils.contains("TUNE_FEATURES", "spe", "-mabi=spe -mspe",
>> "", d)}" +TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES",
>> "spe", "-mabi=spe -mspe -mfloat-gprs=double", "", d)}"
>>
>
> IIRC e500v1 does not have double precision floating point support.

Yeah, I know, I sent a later patch to fix it, but Mark already fixed
it in his tuning rework. :)
-- 
Christopher Larson