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-rw-r--r--sysdeps/ia64/fpu/s_significandl.S61
1 files changed, 34 insertions, 27 deletions
diff --git a/sysdeps/ia64/fpu/s_significandl.S b/sysdeps/ia64/fpu/s_significandl.S
index f62df4310c..268d3567d0 100644
--- a/sysdeps/ia64/fpu/s_significandl.S
+++ b/sysdeps/ia64/fpu/s_significandl.S
@@ -1,10 +1,10 @@
.file "significandl.s"
-
-// Copyright (c) 2000 - 2003, Intel Corporation
+// Copyright (C) 2000, 2001, Intel Corporation
// All rights reserved.
-//
-// Contributed 2000 by the Intel Numerics Group, Intel Corporation
+//
+// Contributed 2/2/2000 by John Harrison, Ted Kubaska, Bob Norin, Shane Story,
+// and Ping Tak Peter Tang of the Computational Software Lab, Intel Corporation.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
@@ -20,7 +20,7 @@
// * The name of Intel Corporation may not be used to endorse or promote
// products derived from this software without specific prior written
// permission.
-
+//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
@@ -35,15 +35,13 @@
//
// Intel Corporation is the author of this code, and requests that all
// problem reports or change requests be submitted to it directly at
-// http://www.intel.com/software/products/opensource/libraries/num.htm.
+// http://developer.intel.com/opensource.
//
// History
//==============================================================
-// 02/02/00 Initial version
-// 02/03/00 Modified to improve speed
-// 05/31/00 Fixed bug when x a double-extended denormal
-// 05/20/02 Cleaned up namespace and sf0 syntax
-// 02/10/03 Reordered header: .section, .global, .proc, .align
+// 2/02/00: Initial version
+// 2/03/00: Modified to improve speed
+// 5/31/00: Fixed bug when x a double-extended denormal
//
// API
//==============================================================
@@ -58,10 +56,18 @@
// p6, p7
//
// floating-point registers used:
-// f8, f9, f10
+// f8, f9, f10
+
+#include "libm_support.h"
+
+.align 32
+.global significandl#
.section .text
-GLOBAL_LIBM_ENTRY(significandl)
+.proc significandl#
+.align 32
+
+significandl:
// qnan snan inf norm unorm 0 -+
// 1 1 1 0 0 1 11
@@ -69,19 +75,19 @@ GLOBAL_LIBM_ENTRY(significandl)
// f10 gets f8(sign) with f1(exp,significand)
{ .mfi
nop.m 999
- fmerge.s f10 = f8,f1
+(p0) fmerge.s f10 = f8,f1
nop.i 999
}
{ .mfi
nop.m 999
- fnorm.s0 f9 = f8
+(p0) fnorm f9 = f8
nop.i 999 ;;
}
// Test for denormal input
{ .mfi
nop.m 999
- fclass.m.unc p7,p0 = f8, 0x0b
+(p0) fclass.m.unc p7,p0 = f8, 0x0b
nop.i 999 ;;
}
@@ -91,14 +97,14 @@ GLOBAL_LIBM_ENTRY(significandl)
// return sign(f8) exp(f8) significand(f8), normalized.
{ .mfi
nop.m 999
- fclass.m.unc p0,p6 = f8, 0xe7
+(p0) fclass.m.unc p0,p6 = f8, 0xe7
nop.i 999 ;;
}
{ .mmb
nop.m 999
nop.m 999
-(p7) br.cond.spnt SIGNIFICAND_DENORM ;; // Branch if x denormal
+(p7) br.cond.spnt L(SIGNIFICAND_DENORM) ;; // Branch if x denormal
}
{ .mfi
@@ -109,29 +115,29 @@ GLOBAL_LIBM_ENTRY(significandl)
{ .mfb
nop.m 999
- fnorm.s0 f8 = f8
- br.ret.sptk b0 ;;
+(p0) fnorm f8 = f8
+(p0) br.ret.sptk b0 ;;
}
-SIGNIFICAND_DENORM:
+L(SIGNIFICAND_DENORM):
// Here if x denorm
{ .mfi
nop.m 999
- fmerge.se f8 = f10,f9
+(p0) fmerge.se f8 = f10,f9
nop.i 999 ;;
}
// Check if fnorm(x) still denormal, means x double-extended denormal
{ .mfi
nop.m 999
- fclass.m.unc p7,p0 = f9, 0x0b
+(p0) fclass.m.unc p7,p0 = f9, 0x0b
nop.i 999 ;;
}
// This will be the final result unless x double-extended denormal
{ .mfi
nop.m 999
- fnorm.s0 f8 = f8
+(p0) fnorm f8 = f8
nop.i 999 ;;
}
@@ -146,8 +152,9 @@ SIGNIFICAND_DENORM:
// Final normalization if x double-extended denorm
{ .mfb
nop.m 999
-(p7) fnorm.s0 f8 = f8
- br.ret.sptk b0 ;;
+(p7) fnorm f8 = f8
+(p0) br.ret.sptk b0 ;;
}
-GLOBAL_LIBM_END(significandl)
+.endp significandl
+ASM_SIZE_DIRECTIVE(significandl)