0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
51 lines
865 B
ArmAsm
51 lines
865 B
ArmAsm
/* $NetBSD: fpsetsticky.S,v 1.6 2014/05/22 15:01:56 uebayasi Exp $ */
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/*
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* Written by Frank van der Linden at Wasabi Systems for NetBSD
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* Public domain.
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*/
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#include <machine/asm.h>
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/*
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* XXX set both the x87 status word and the SSE mxcsr register.
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* Applications should only set exception and round flags
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* via the fp*() interface, otherwise the status words
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* will get our of sync.
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*/
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fpsetsticky, _fpsetsticky)
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ENTRY(_fpsetsticky)
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#else
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ENTRY(fpsetsticky)
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#endif
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fnstenv -28(%rsp)
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stmxcsr -32(%rsp)
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andl $63,%edi
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movl -24(%rsp),%eax
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movl %eax,%edx
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andb $0xc0,%dl
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orl %edi,%edx
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movl %edx,-24(%rsp)
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movl -32(%rsp),%edx
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orl %edx,%eax
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andl $63,%eax
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andb $0xc0,%dl
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orl %edi,%edx
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movl %edx,-32(%rsp)
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ldmxcsr -32(%rsp)
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fldenv -28(%rsp)
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ret
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#ifdef WEAK_ALIAS
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END(_fpsetsticky)
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#else
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END(fpsetsticky)
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#endif
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