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| author | imp <imp@FreeBSD.org> | 2014-08-14 04:20:13 +0000 |
|---|---|---|
| committer | imp <imp@FreeBSD.org> | 2014-08-14 04:20:13 +0000 |
| commit | 79c623db6a509902d32a9007a1fa65c79ad8e63a (patch) | |
| tree | 1aa162bfe35c13757ffccef9574948db38c8b57f /lib/libc | |
| parent | 3e2e431c781fafc3b6a7798f375a561afcab2c25 (diff) | |
| download | FreeBSD-src-79c623db6a509902d32a9007a1fa65c79ad8e63a.zip FreeBSD-src-79c623db6a509902d32a9007a1fa65c79ad8e63a.tar.gz | |
From https://sourceware.org/ml/newlib/2014/msg00113.html
By Richard Earnshaw at ARM
>
>GCC has for a number of years provides a set of pre-defined macros for
>use with determining the ISA and features of the target during
>pre-processing. However, the design was always somewhat cumbersome in
>that each new architecture revision created a new define and then
>removed the previous one. This meant that it was necessary to keep
>updating the support code simply to recognise a new architecture being
>added.
>
>The ACLE specification (ARM C Language Extentions)
>(http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.set.swdev/index.html)
>provides a much more suitable interface and GCC has supported this
>since gcc-4.8.
>
>This patch makes use of the ACLE pre-defines to map to the internal
>feature definitions. To support older versions of GCC a compatibility
>header is provided that maps the traditional pre-defines onto the new
>ACLE ones.
Stop using __FreeBSD_ARCH_armv6__ and switch to __ARM_ARCH >= 6 in the
couple of places in tree. clang already implements ACLE. Add a define
that says we implement version 1.1, even though the implementation
isn't quite complete.
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/arm/aeabi/aeabi_vfp.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libc/arm/aeabi/aeabi_vfp.h b/lib/libc/arm/aeabi/aeabi_vfp.h index 76c2ff0..927652f 100644 --- a/lib/libc/arm/aeabi/aeabi_vfp.h +++ b/lib/libc/arm/aeabi/aeabi_vfp.h @@ -30,6 +30,8 @@ #ifndef AEABI_VFP_H #define AEABI_VFP_H +#include <machine/acle-compat.h> + /* * ASM helper macros. These allow the functions to be changed depending on * the endian-ness we are building for. @@ -49,7 +51,7 @@ * point falue. They will load the data from an ARM to a VFP register(s), * or from a VFP to an ARM register */ -#ifdef __ARMEB__ +#ifdef __ARM_BIG_ENDIAN #define LOAD_DREG(vreg, reg0, reg1) vmov vreg, reg1, reg0 #define UNLOAD_DREG(reg0, reg1, vreg) vmov reg1, reg0, vreg #else @@ -65,7 +67,7 @@ * C Helper macros */ -#if defined(__FreeBSD_ARCH_armv6__) || (defined(__ARM_ARCH) && __ARM_ARCH >= 6) +#if __ARM_ARCH >= 6 /* * Generate a function that will either call into the VFP implementation, * or the soft float version for a given __aeabi_* helper. The function |
