Date: Mon, 1 Dec 2014 21:13:48 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r275380 - head/contrib/gcc/config/arm Message-ID: <201412012113.sB1LDmYY062205@svn.freebsd.org>
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Author: andrew Date: Mon Dec 1 21:13:47 2014 New Revision: 275380 URL: https://svnweb.freebsd.org/changeset/base/275380 Log: Use the floating-point instruction on ARMv7 as the clang 3.5 integrated assembler doesn't allow these two instructions to use co-processor 11. MFC after: 1 Week Sponsored by: ABT Systems Ltd Modified: head/contrib/gcc/config/arm/libunwind.S Modified: head/contrib/gcc/config/arm/libunwind.S ============================================================================== --- head/contrib/gcc/config/arm/libunwind.S Mon Dec 1 21:07:36 2014 (r275379) +++ head/contrib/gcc/config/arm/libunwind.S Mon Dec 1 21:13:47 2014 (r275380) @@ -26,6 +26,13 @@ the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ +#include <machine/acle-compat.h> + +/* Allow the use of VFP instructions */ +#if __ARM_ARCH >= 7 +.fpu vfp +#endif + #ifndef __symbian__ #include "lib1funcs.asm" @@ -66,14 +73,22 @@ ARM_FUNC_START restore_core_regs ARM_FUNC_START gnu_Unwind_Restore_VFP /* Use the generic coprocessor form so that gas doesn't complain on soft-float targets. */ +#if __ARM_ARCH >= 7 + fldmiax r0, {d0-d15} +#else ldc p11,cr0,[r0],{0x21} /* fldmiax r0, {d0-d15} */ +#endif RET /* Store VFR regsters d0-d15 to the address in r0. */ ARM_FUNC_START gnu_Unwind_Save_VFP /* Use the generic coprocessor form so that gas doesn't complain on soft-float targets. */ +#if __ARM_ARCH >= 7 + fstmiax r0, {d0-d15} +#else stc p11,cr0,[r0],{0x21} /* fstmiax r0, {d0-d15} */ +#endif RET /* Wrappers to save core registers, then call the real routine. */
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