From 65f52d9e3cfca17f9f39fe0f31c7c341acdd23d8 Mon Sep 17 00:00:00 2001 From: matt Date: Mon, 4 Jul 2011 08:02:34 +0000 Subject: Add __floatunsidf __floatunsisf __floatunsitf routines. XXX i think they are correct but not sure. --- lib/libc/softfloat/bits64/softfloat.c | 46 +++++++++++++++++++++++++++++++++-- 1 file changed, 44 insertions(+), 2 deletions(-) (limited to 'lib/libc/softfloat/bits64/softfloat.c') diff --git a/lib/libc/softfloat/bits64/softfloat.c b/lib/libc/softfloat/bits64/softfloat.c index b0d2bdf138d..d7c47540395 100644 --- a/lib/libc/softfloat/bits64/softfloat.c +++ b/lib/libc/softfloat/bits64/softfloat.c @@ -1,4 +1,4 @@ -/* $NetBSD: softfloat.c,v 1.5 2007/11/08 21:31:04 martin Exp $ */ +/* $NetBSD: softfloat.c,v 1.6 2011/07/04 08:02:35 matt Exp $ */ /* * This version hacked for use with gcc -msoft-float by bjh21. @@ -46,7 +46,7 @@ this code that are retained. #include #if defined(LIBC_SCCS) && !defined(lint) -__RCSID("$NetBSD: softfloat.c,v 1.5 2007/11/08 21:31:04 martin Exp $"); +__RCSID("$NetBSD: softfloat.c,v 1.6 2011/07/04 08:02:35 matt Exp $"); #endif /* LIBC_SCCS and not lint */ #ifdef SOFTFLOAT_FOR_GCC @@ -1128,6 +1128,15 @@ float32 int32_to_float32( int32 a ) } +float32 uint32_to_float32( uint32 a ) +{ + if ( a == 0 ) return 0; + if ( a & (bits32) 0x80000000 ) + return normalizeRoundAndPackFloat32( 0, 0x9D, a >> 1 ); + return normalizeRoundAndPackFloat32( 0, 0x9C, a ); +} + + /* ------------------------------------------------------------------------------- Returns the result of converting the 32-bit two's complement integer `a' @@ -1151,6 +1160,17 @@ float64 int32_to_float64( int32 a ) } +float64 uint32_to_float64( uint32 a ) +{ + int8 shiftCount; + bits64 zSig = a; + + if ( a == 0 ) return 0; + shiftCount = countLeadingZeros32( a ) + 21; + return packFloat64( 0, 0x432 - shiftCount, zSig<