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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/ia64/fpu/e_hypot.S
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/ia64/fpu/e_hypot.S')
-rw-r--r--sysdeps/ia64/fpu/e_hypot.S75
1 files changed, 43 insertions, 32 deletions
diff --git a/sysdeps/ia64/fpu/e_hypot.S b/sysdeps/ia64/fpu/e_hypot.S
index 36cfd1e667..113aac3461 100644
--- a/sysdeps/ia64/fpu/e_hypot.S
+++ b/sysdeps/ia64/fpu/e_hypot.S
@@ -1,10 +1,11 @@
-.file "hypot.s"
+.file "hypot.asm"
-
-// 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, Cristina Iordache, 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 +21,7 @@
// * 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
@@ -35,27 +36,24 @@
//
// 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 hand-optimized
-// 04/04/00 Unwind support added
-// 06/20/00 new version
-// 08/15/00 Bundle added after call to __libm_error_support to properly
+// 2/02/00 hand-optimized
+// 4/04/00 Unwind support added
+// 6/20/00 new version
+// 8/15/00 Bundle added after call to __libm_error_support to properly
// set [the previously overwritten] GR_Parameter_RESULT.
-// 05/20/02 Cleaned up namespace and sf0 syntax
-// 02/10/03 Reordered header: .section, .global, .proc, .align
-// 04/17/03 Added missing mutex directive
//
-//*********************************************************************
+// *********************************************************************
// ___________
// Function: hypot(x,y) = |(x^2 + y^2) = for double precision values
// x and y
// Also provides cabs functionality.
//
-//*********************************************************************
+// *********************************************************************
//
// Resources Used:
//
@@ -70,7 +68,7 @@
//
// Predicate Registers: p6 - p10
//
-//*********************************************************************
+// *********************************************************************
//
// IEEE Special Conditions:
//
@@ -80,7 +78,7 @@
// hypot(QNaN and anything) = QNaN
// hypot(SNaN and anything ) = QNaN
//
-//*********************************************************************
+// *********************************************************************
//
// Implementation:
// x2 = x * x in double-extended
@@ -88,7 +86,9 @@
// temp = x2 + y2 in double-extended
// sqrt(temp) rounded to double
//
-//*********************************************************************
+// *********************************************************************
+
+#include "libm_support.h"
GR_SAVE_PFS = r33
GR_SAVE_B0 = r34
@@ -103,12 +103,23 @@ FR_Y = f33
FR_RESULT = f8
.section .text
-
-LOCAL_LIBM_ENTRY(cabs)
-LOCAL_LIBM_END(cabs)
-
-GLOBAL_IEEE754_ENTRY(hypot)
-
+#ifndef _LIBC
+.proc cabs#
+.global cabs#
+cabs:
+.endp cabs
+#endif
+.proc hypot#
+.global hypot#
+.align 64
+
+hypot:
+#ifdef _LIBC
+.global __hypot
+__hypot:
+.global __ieee754_hypot
+__ieee754_hypot:
+#endif
{.mfi
alloc r32= ar.pfs,0,4,4,0
// Compute x*x
@@ -210,7 +221,6 @@ GLOBAL_IEEE754_ENTRY(hypot)
mov r2=0x107fb;;
}
-.pred.rel "mutex",p7,p8
{.mfb
nop.m 0
// if f8=Infinity or f9=Zero, return |f8|
@@ -384,9 +394,11 @@ GLOBAL_IEEE754_ENTRY(hypot)
// No overflow
(p9) br.ret.sptk b0;;
}
-GLOBAL_IEEE754_END(hypot)
+.endp hypot
+ASM_SIZE_DIRECTIVE(hypot)
-LOCAL_LIBM_ENTRY(__libm_error_region)
+.proc __libm_error_region
+__libm_error_region:
.prologue
{ .mfi
add GR_Parameter_Y=-32,sp // Parameter 2 value
@@ -433,8 +445,7 @@ LOCAL_LIBM_ENTRY(__libm_error_region)
mov ar.pfs = GR_SAVE_PFS // Restore ar.pfs
br.ret.sptk b0 // Return
};;
-LOCAL_LIBM_END(__libm_error_region#)
+.endp __libm_error_region
+ASM_SIZE_DIRECTIVE(__libm_error_region)
.type __libm_error_support#,@function
.global __libm_error_support#
-
-