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Use the floating-point instruction on ARMv7 as the clang 3.5 integrated

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assembler doesn't allow these two instructions to use co-processor 11.

MFC after:	1 Week
Sponsored by:	ABT Systems Ltd
This commit is contained in:
Andrew Turner 2014-12-01 21:13:47 +00:00
parent a103277891
commit f9867ad74d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=275380
1 changed files with 15 additions and 0 deletions
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15
contrib/gcc/config/arm/libunwind.S
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@ -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. */