diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-6.4/backport/0001-enable-FL_LPAE-flag-for-armv7ve-cores.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-6.4/backport/0001-enable-FL_LPAE-flag-for-armv7ve-cores.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-6.4/backport/0001-enable-FL_LPAE-flag-for-armv7ve-cores.patch b/meta/recipes-devtools/gcc/gcc-6.4/backport/0001-enable-FL_LPAE-flag-for-armv7ve-cores.patch new file mode 100644 index 0000000000..3f664c5885 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-6.4/backport/0001-enable-FL_LPAE-flag-for-armv7ve-cores.patch @@ -0,0 +1,67 @@ +From 22fcc126fad61a8e9ddaaabbc8036644273642dc Mon Sep 17 00:00:00 2001 +From: ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Thu, 9 Nov 2017 14:34:28 +0000 +Subject: [PATCH] enable FL_LPAE flag for armv7ve cores + +The following commit added the FL_LPAE flag to FL_FOR_ARCH7VE, but +neglected to also add it to the armv7ve compatible cores defined in +arm-cores.def. + + https://github.com/gcc-mirror/gcc/commit/af2d9b9e58e8be576c53d94f30c48c68146b0c98 + +The result is that gcc 6.4 now refuses to allow -march=armv7ve and +-mcpu=XXX to be used together, even when -mcpu is set to an armv7ve +compatible core: + + arm-linux-gnueabi-gcc -march=armv7ve -mcpu=cortex-a7 -Werror ... + error: switch -mcpu=cortex-a7 conflicts with -march=armv7ve switch [-Werror] + +Fix by defining flags for armv7ve compatible cores directly from +FL_FOR_ARCH7VE, rather than re-creating the armv7ve flags +independently by combining FL_FOR_ARCH7A with the armv7ve specific +FL_THUMB_DIV and FL_ARM_DIV flags. + +Upstream-Status: Backport + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-6-branch@254584 138bc75d-0d04-0410-961f-82ee72b054a4 + +Signed-off-by: Andre McCurdy <armccurdy@gmail.com> +--- + gcc/config/arm/arm-cores.def | 12 ++++++------ + 1 file changed, 6 insertions(+), 6 deletions(-) + +diff --git a/gcc/config/arm/arm-cores.def b/gcc/config/arm/arm-cores.def +index 829b839..ca37e6f 100644 +--- a/gcc/config/arm/arm-cores.def ++++ b/gcc/config/arm/arm-cores.def +@@ -145,12 +145,12 @@ ARM_CORE("cortex-m0plus.small-multiply",cortexm0plussmallmultiply, cortexm0plus, + /* V7 Architecture Processors */ + ARM_CORE("generic-armv7-a", genericv7a, genericv7a, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7A), cortex) + ARM_CORE("cortex-a5", cortexa5, cortexa5, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7A), cortex_a5) +-ARM_CORE("cortex-a7", cortexa7, cortexa7, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_THUMB_DIV | FL_ARM_DIV | FL_FOR_ARCH7A), cortex_a7) ++ARM_CORE("cortex-a7", cortexa7, cortexa7, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7VE), cortex_a7) + ARM_CORE("cortex-a8", cortexa8, cortexa8, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7A), cortex_a8) + ARM_CORE("cortex-a9", cortexa9, cortexa9, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7A), cortex_a9) +-ARM_CORE("cortex-a12", cortexa12, cortexa17, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_THUMB_DIV | FL_ARM_DIV | FL_FOR_ARCH7A), cortex_a12) +-ARM_CORE("cortex-a15", cortexa15, cortexa15, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_THUMB_DIV | FL_ARM_DIV | FL_FOR_ARCH7A), cortex_a15) +-ARM_CORE("cortex-a17", cortexa17, cortexa17, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_THUMB_DIV | FL_ARM_DIV | FL_FOR_ARCH7A), cortex_a12) ++ARM_CORE("cortex-a12", cortexa12, cortexa17, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7VE), cortex_a12) ++ARM_CORE("cortex-a15", cortexa15, cortexa15, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7VE), cortex_a15) ++ARM_CORE("cortex-a17", cortexa17, cortexa17, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7VE), cortex_a12) + ARM_CORE("cortex-r4", cortexr4, cortexr4, 7R, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7R), cortex) + ARM_CORE("cortex-r4f", cortexr4f, cortexr4f, 7R, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7R), cortex) + ARM_CORE("cortex-r5", cortexr5, cortexr5, 7R, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_ARM_DIV | FL_FOR_ARCH7R), cortex) +@@ -162,8 +162,8 @@ ARM_CORE("cortex-m3", cortexm3, cortexm3, 7M, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | + ARM_CORE("marvell-pj4", marvell_pj4, marvell_pj4, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7A), marvell_pj4) + + /* V7 big.LITTLE implementations */ +-ARM_CORE("cortex-a15.cortex-a7", cortexa15cortexa7, cortexa7, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_THUMB_DIV | FL_ARM_DIV | FL_FOR_ARCH7A), cortex_a15) +-ARM_CORE("cortex-a17.cortex-a7", cortexa17cortexa7, cortexa7, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_THUMB_DIV | FL_ARM_DIV | FL_FOR_ARCH7A), cortex_a12) ++ARM_CORE("cortex-a15.cortex-a7", cortexa15cortexa7, cortexa7, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7VE), cortex_a15) ++ARM_CORE("cortex-a17.cortex-a7", cortexa17cortexa7, cortexa7, 7A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_FOR_ARCH7VE), cortex_a12) + + /* V8 Architecture Processors */ + ARM_CORE("cortex-a32", cortexa32, cortexa53, 8A, ARM_FSET_MAKE_CPU1 (FL_LDSCHED | FL_CRC32 | FL_FOR_ARCH8A), cortex_a35) +-- +1.9.1 + |