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powerpc e500: set -mfloat-gprs=double 

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.

(From OE-Core rev: 32bb6afe3e6f3e374e4d14edc238b46a90d44169)

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Christopher Larson 2012-03-27 14:51:08 -05:00 committed by Richard Purdie
parent 9192e49426
commit f1f7680263
2 changed files with 2 additions and 2 deletions
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2
meta/conf/machine/include/tune-ppce500.inc
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@ -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)}"
TARGET_FPU = "ppc-efs"

2
meta/conf/machine/include/tune-ppce500v2.inc
View File

@ -7,7 +7,7 @@ TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "ppce500v2", "-mcpu=8548",
TUNE_PKGARCH_tune-ppce500v2 = "ppce500v2"
TUNEVALID[spe] = "Enable SPE ABI extensions"
TUNE_CCARGS += "${@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)}'
TARGET_FPU = "ppc-efd"