Update.

2001-02-19  Ulrich Drepper  <drepper@redhat.com>

	* libio/iogetline.c: Move return until after last statement.

	* localedata/show-ucs-data.c: Don't show < > for better readability.

	* sysdeps/ia64/fpu/Dist: New file.
	* sysdeps/ia64/fpu/Makefile: New file.
	* sysdeps/ia64/fpu/Versions: New file.
	* sysdeps/ia64/fpu/e_acos.S: New file.
	* sysdeps/ia64/fpu/e_acosf.S: New file.
	* sysdeps/ia64/fpu/e_acosl.S: New file.
	* sysdeps/ia64/fpu/e_asin.S: New file.
	* sysdeps/ia64/fpu/e_asinf.S: New file.
	* sysdeps/ia64/fpu/e_asinl.S: New file.
	* sysdeps/ia64/fpu/e_atan2.S: New file.
	* sysdeps/ia64/fpu/e_atan2f.S: New file.
	* sysdeps/ia64/fpu/e_atan2l.c: New file.
	* sysdeps/ia64/fpu/e_cosh.S: New file.
	* sysdeps/ia64/fpu/e_coshf.S: New file.
	* sysdeps/ia64/fpu/e_coshl.S: New file.
	* sysdeps/ia64/fpu/e_exp.S: New file.
	* sysdeps/ia64/fpu/e_expf.S: New file.
	* sysdeps/ia64/fpu/e_expl.c: New file.
	* sysdeps/ia64/fpu/e_fmod.S: New file.
	* sysdeps/ia64/fpu/e_fmodf.S: New file.
	* sysdeps/ia64/fpu/e_fmodl.S: New file.
	* sysdeps/ia64/fpu/e_hypot.S: New file.
	* sysdeps/ia64/fpu/e_hypotf.S: New file.
	* sysdeps/ia64/fpu/e_hypotl.S: New file.
	* sysdeps/ia64/fpu/e_log.S: New file.
	* sysdeps/ia64/fpu/e_log10.c: New file.
	* sysdeps/ia64/fpu/e_log10f.c: New file.
	* sysdeps/ia64/fpu/e_log10l.c: New file.
	* sysdeps/ia64/fpu/e_logf.S: New file.
	* sysdeps/ia64/fpu/e_logl.c: New file.
	* sysdeps/ia64/fpu/e_pow.S: New file.
	* sysdeps/ia64/fpu/e_powf.S: New file.
	* sysdeps/ia64/fpu/e_powl.S: New file.
	* sysdeps/ia64/fpu/e_rem_pio2.c: New file.
	* sysdeps/ia64/fpu/e_rem_pio2f.c: New file.
	* sysdeps/ia64/fpu/e_remainder.S: New file.
	* sysdeps/ia64/fpu/e_remainderf.S: New file.
	* sysdeps/ia64/fpu/e_remainderl.S: New file.
	* sysdeps/ia64/fpu/e_scalb.S: New file.
	* sysdeps/ia64/fpu/e_scalbf.S: New file.
	* sysdeps/ia64/fpu/e_scalbl.S: New file.
	* sysdeps/ia64/fpu/e_sinh.S: New file.
	* sysdeps/ia64/fpu/e_sinhf.S: New file.
	* sysdeps/ia64/fpu/e_sinhl.S: New file.
	* sysdeps/ia64/fpu/e_sqrt.S: New file.
	* sysdeps/ia64/fpu/e_sqrtf.S: New file.
	* sysdeps/ia64/fpu/e_sqrtl.S: New file.
	* sysdeps/ia64/fpu/k_rem_pio2.c: New file.
	* sysdeps/ia64/fpu/k_rem_pio2f.c: New file.
	* sysdeps/ia64/fpu/k_rem_pio2l.c: New file.
	* sysdeps/ia64/fpu/libm_atan2_reg.S: New file.
	* sysdeps/ia64/fpu/libm_error.c: New file.
	* sysdeps/ia64/fpu/libm_frexp4.S: New file.
	* sysdeps/ia64/fpu/libm_frexp4f.S: New file.
	* sysdeps/ia64/fpu/libm_frexp4l.S: New file.
	* sysdeps/ia64/fpu/libm_reduce.S: New file.
	* sysdeps/ia64/fpu/libm_support.h: New file.
	* sysdeps/ia64/fpu/libm_tan.S: New file.
	* sysdeps/ia64/fpu/s_atan.S: New file.
	* sysdeps/ia64/fpu/s_atanf.S: New file.
	* sysdeps/ia64/fpu/s_atanl.S: New file.
	* sysdeps/ia64/fpu/s_cbrt.S: New file.
	* sysdeps/ia64/fpu/s_cbrtf.S: New file.
	* sysdeps/ia64/fpu/s_cbrtl.S: New file.
	* sysdeps/ia64/fpu/s_ceil.S: New file.
	* sysdeps/ia64/fpu/s_ceilf.S: New file.
	* sysdeps/ia64/fpu/s_ceill.S: New file.
	* sysdeps/ia64/fpu/s_cos.S: New file.
	* sysdeps/ia64/fpu/s_cosf.S: New file.
	* sysdeps/ia64/fpu/s_cosl.S: New file.
	* sysdeps/ia64/fpu/s_expm1.S: New file.
	* sysdeps/ia64/fpu/s_expm1f.S: New file.
	* sysdeps/ia64/fpu/s_expm1l.S: New file.
	* sysdeps/ia64/fpu/s_floor.S: New file.
	* sysdeps/ia64/fpu/s_floorf.S: New file.
	* sysdeps/ia64/fpu/s_floorl.S: New file.
	* sysdeps/ia64/fpu/s_frexp.c: New file.
	* sysdeps/ia64/fpu/s_frexpf.c: New file.
	* sysdeps/ia64/fpu/s_frexpl.c: New file.
	* sysdeps/ia64/fpu/s_ilogb.S: New file.
	* sysdeps/ia64/fpu/s_ilogbf.S: New file.
	* sysdeps/ia64/fpu/s_ilogbl.S: New file.
	* sysdeps/ia64/fpu/s_ldexp.S: New file.
	* sysdeps/ia64/fpu/s_ldexpf.S: New file.
	* sysdeps/ia64/fpu/s_ldexpl.S: New file.
	* sysdeps/ia64/fpu/s_log1p.S: New file.
	* sysdeps/ia64/fpu/s_log1pf.S: New file.
	* sysdeps/ia64/fpu/s_log1pl.S: New file.
	* sysdeps/ia64/fpu/s_logb.S: New file.
	* sysdeps/ia64/fpu/s_logbf.S: New file.
	* sysdeps/ia64/fpu/s_logbl.S: New file.
	* sysdeps/ia64/fpu/s_matherrf.c: New file.
	* sysdeps/ia64/fpu/s_matherrl.c: New file.
	* sysdeps/ia64/fpu/s_modf.S: New file.
	* sysdeps/ia64/fpu/s_modff.S: New file.
	* sysdeps/ia64/fpu/s_modfl.S: New file.
	* sysdeps/ia64/fpu/s_nearbyint.S: New file.
	* sysdeps/ia64/fpu/s_nearbyintf.S: New file.
	* sysdeps/ia64/fpu/s_nearbyintl.S: New file.
	* sysdeps/ia64/fpu/s_rint.S: New file.
	* sysdeps/ia64/fpu/s_rintf.S: New file.
	* sysdeps/ia64/fpu/s_rintl.S: New file.
	* sysdeps/ia64/fpu/s_round.S: New file.
	* sysdeps/ia64/fpu/s_roundf.S: New file.
	* sysdeps/ia64/fpu/s_roundl.S: New file.
	* sysdeps/ia64/fpu/s_scalbn.S: New file.
	* sysdeps/ia64/fpu/s_scalbnf.S: New file.
	* sysdeps/ia64/fpu/s_scalbnl.S: New file.
	* sysdeps/ia64/fpu/s_significand.S: New file.
	* sysdeps/ia64/fpu/s_significandf.S: New file.
	* sysdeps/ia64/fpu/s_significandl.S: New file.
	* sysdeps/ia64/fpu/s_sin.c: New file.
	* sysdeps/ia64/fpu/s_sincos.c: New file.
	* sysdeps/ia64/fpu/s_sincosf.c: New file.
	* sysdeps/ia64/fpu/s_sincosl.c: New file.
	* sysdeps/ia64/fpu/s_sinf.c: New file.
	* sysdeps/ia64/fpu/s_sinl.c: New file.
	* sysdeps/ia64/fpu/s_tan.S: New file.
	* sysdeps/ia64/fpu/s_tanf.S: New file.
	* sysdeps/ia64/fpu/s_tanl.S: New file.
	* sysdeps/ia64/fpu/s_trunc.S: New file.
	* sysdeps/ia64/fpu/s_truncf.S: New file.
	* sysdeps/ia64/fpu/s_truncl.S: New file.
	* sysdeps/ia64/fpu/w_acos.c: New file.
	* sysdeps/ia64/fpu/w_acosf.c: New file.
	* sysdeps/ia64/fpu/w_acosl.c: New file.
	* sysdeps/ia64/fpu/w_asin.c: New file.
	* sysdeps/ia64/fpu/w_asinf.c: New file.
	* sysdeps/ia64/fpu/w_asinl.c: New file.
	* sysdeps/ia64/fpu/w_atan2.c: New file.
	* sysdeps/ia64/fpu/w_atan2f.c: New file.
	* sysdeps/ia64/fpu/w_atan2l.c: New file.
	* sysdeps/ia64/fpu/w_cosh.c: New file.
	* sysdeps/ia64/fpu/w_coshf.c: New file.
	* sysdeps/ia64/fpu/w_coshl.c: New file.
	* sysdeps/ia64/fpu/w_exp.c: New file.
	* sysdeps/ia64/fpu/w_expf.c: New file.
	* sysdeps/ia64/fpu/w_fmod.c: New file.
	* sysdeps/ia64/fpu/w_fmodf.c: New file.
	* sysdeps/ia64/fpu/w_fmodl.c: New file.
	* sysdeps/ia64/fpu/w_hypot.c: New file.
	* sysdeps/ia64/fpu/w_hypotf.c: New file.
	* sysdeps/ia64/fpu/w_hypotl.c: New file.
	* sysdeps/ia64/fpu/w_log.c: New file.
	* sysdeps/ia64/fpu/w_log10.c: New file.
	* sysdeps/ia64/fpu/w_log10f.c: New file.
	* sysdeps/ia64/fpu/w_log10l.c: New file.
	* sysdeps/ia64/fpu/w_logf.c: New file.
	* sysdeps/ia64/fpu/w_logl.c: New file.
	* sysdeps/ia64/fpu/w_pow.c: New file.
	* sysdeps/ia64/fpu/w_powf.c: New file.
	* sysdeps/ia64/fpu/w_powl.c: New file.
	* sysdeps/ia64/fpu/w_remainder.c: New file.
	* sysdeps/ia64/fpu/w_remainderf.c: New file.
	* sysdeps/ia64/fpu/w_remainderl.c: New file.
	* sysdeps/ia64/fpu/w_scalb.c: New file.
	* sysdeps/ia64/fpu/w_scalbf.c: New file.
	* sysdeps/ia64/fpu/w_scalbl.c: New file.
	* sysdeps/ia64/fpu/w_sqrt.c: New file.
	* sysdeps/ia64/fpu/w_sqrtf.c: New file.
	* sysdeps/ia64/fpu/w_sqrtl.c: New file.
	* sysdeps/ia64/fpu/libm-test-ulps: Adjust for long double
	implementation.
	* sysdeps/ia64/fpu/bits/mathdef.h: Correct float_t and double_t types.
	Change FP_ILOGBNAN for new implementation.
	* Verions.def: Add 2.2.3 versions.

1 files changed, 1221 insertions, 0 deletions

diff --git a/sysdeps/ia64/fpu/libm_atan2_reg.S b/sysdeps/ia64/fpu/libm_atan2_reg.S
new file mode 100644
index 0000000000..7a0c7034e9
--- /dev/null
+++ b/sysdeps/ia64/fpu/libm_atan2_reg.S
@@ -0,0 +1,1221 @@
+.file "libm_atan2_reg.s"
+
+// Copyright (c) 2000, 2001, Intel Corporation
+// All rights reserved.
+// 
+// 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.
+// 
+// WARRANTY DISCLAIMER
+// 
+// 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
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS 
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+// 
+// Intel Corporation is the author of this code, and requests that all
+// problem reports or change requests be submitted to it directly at 
+// http://developer.intel.com/opensource.
+//
+// History
+//==============================================================
+// 2/02/00: Initial version
+// 4/04/00  Unwind support added
+
+#include "libm_support.h"
+
+.data
+
+.align 64
+ASM_TYPE_DIRECTIVE(Constants_atan#,@object)
+Constants_atan:
+data4   0x54442D18, 0x3FF921FB, 0x248D3132, 0x3E000000
+// double pi/2, single lo_pi/2, two**(-3)
+data4   0xAAAAAAA3, 0xAAAAAAAA, 0x0000BFFD, 0x00000000 // P_1
+data4   0xCCCC54B2, 0xCCCCCCCC, 0x00003FFC, 0x00000000 // P_2
+data4   0x47E4D0C2, 0x92492492, 0x0000BFFC, 0x00000000 // P_3
+data4   0x58870889, 0xE38E38E0, 0x00003FFB, 0x00000000 // P_4
+data4   0x290149F8, 0xBA2E895B, 0x0000BFFB, 0x00000000 // P_5
+data4   0x250F733D, 0x9D88E6D4, 0x00003FFB, 0x00000000 // P_6
+data4   0xFB8745A0, 0x884E51FF, 0x0000BFFB, 0x00000000 // P_7
+data4   0x394396BD, 0xE1C7412B, 0x00003FFA, 0x00000000 // P_8
+data4   0xAAAAA52F, 0xAAAAAAAA, 0x0000BFFD, 0x00000000 // Q_1
+data4   0xC75B60D3, 0xCCCCCCCC, 0x00003FFC, 0x00000000 // Q_2
+data4   0x011F1940, 0x924923AD, 0x0000BFFC, 0x00000000 // Q_3
+data4   0x2A5F89BD, 0xE36F716D, 0x00003FFB, 0x00000000 // Q_4
+//      Entries Tbl_hi  (double precision)
+//      B = 1+Index/16+1/32  Index = 0
+//      Entries Tbl_lo (single precision)
+//      B = 1+Index/16+1/32  Index = 0
+data4   0xA935BD8E, 0x3FE9A000, 0x23ACA08F, 0x00000000
+// Entries Tbl_hi  (double precision) Index = 0,1,...,15
+// B = 2^(-1)*(1+Index/16+1/32)
+// Entries Tbl_lo (single precision)
+// Index = 0,1,...,15  B = 2^(-1)*(1+Index/16+1/32)
+data4   0x7F175A34, 0x3FDE77EB, 0x238729EE, 0x00000000
+data4   0x73C1A40B, 0x3FE0039C, 0x249334DB, 0x00000000
+data4   0x5B5B43DA, 0x3FE0C614, 0x22CBA7D1, 0x00000000
+data4   0x88BE7C13, 0x3FE1835A, 0x246310E7, 0x00000000
+data4   0xE2CC9E6A, 0x3FE23B71, 0x236210E5, 0x00000000
+data4   0x8406CBCA, 0x3FE2EE62, 0x2462EAF5, 0x00000000
+data4   0x1CD41719, 0x3FE39C39, 0x24B73EF3, 0x00000000
+data4   0x5B795B55, 0x3FE44506, 0x24C11260, 0x00000000
+data4   0x5BB6EC04, 0x3FE4E8DE, 0x242519EE, 0x00000000
+data4   0x1F732FBA, 0x3FE587D8, 0x24D4346C, 0x00000000
+data4   0x115D7B8D, 0x3FE6220D, 0x24ED487B, 0x00000000
+data4   0x920B3D98, 0x3FE6B798, 0x2495FF1E, 0x00000000
+data4   0x8FBA8E0F, 0x3FE74897, 0x223D9531, 0x00000000
+data4   0x289FA093, 0x3FE7D528, 0x242B0411, 0x00000000
+data4   0x576CC2C5, 0x3FE85D69, 0x2335B374, 0x00000000
+data4   0xA99CC05D, 0x3FE8E17A, 0x24C27CFB, 0x00000000
+//
+//      Entries Tbl_hi  (double precision) Index = 0,1,...,15
+//      B = 2^(-2)*(1+Index/16+1/32)
+//      Entries Tbl_lo (single precision)
+//      Index = 0,1,...,15  B = 2^(-2)*(1+Index/16+1/32)
+//
+data4   0x510665B5, 0x3FD025FA, 0x24263482, 0x00000000
+data4   0x362431C9, 0x3FD1151A, 0x242C8DC9, 0x00000000
+data4   0x67E47C95, 0x3FD20255, 0x245CF9BA, 0x00000000
+data4   0x7A823CFE, 0x3FD2ED98, 0x235C892C, 0x00000000
+data4   0x29271134, 0x3FD3D6D1, 0x2389BE52, 0x00000000
+data4   0x586890E6, 0x3FD4BDEE, 0x24436471, 0x00000000
+data4   0x175E0F4E, 0x3FD5A2E0, 0x2389DBD4, 0x00000000
+data4   0x9F5FA6FD, 0x3FD68597, 0x2476D43F, 0x00000000
+data4   0x52817501, 0x3FD76607, 0x24711774, 0x00000000
+data4   0xB8DF95D7, 0x3FD84422, 0x23EBB501, 0x00000000
+data4   0x7CD0C662, 0x3FD91FDE, 0x23883A0C, 0x00000000
+data4   0x66168001, 0x3FD9F930, 0x240DF63F, 0x00000000
+data4   0x5422058B, 0x3FDAD00F, 0x23FE261A, 0x00000000
+data4   0x378624A5, 0x3FDBA473, 0x23A8CD0E, 0x00000000
+data4   0x0AAD71F8, 0x3FDC7655, 0x2422D1D0, 0x00000000
+data4   0xC9EC862B, 0x3FDD45AE, 0x2344A109, 0x00000000
+//
+//      Entries Tbl_hi  (double precision) Index = 0,1,...,15
+//      B = 2^(-3)*(1+Index/16+1/32)
+//      Entries Tbl_lo (single precision)
+//      Index = 0,1,...,15  B = 2^(-3)*(1+Index/16+1/32)
+//
+data4   0x84212B3D, 0x3FC068D5, 0x239874B6, 0x00000000
+data4   0x41060850, 0x3FC16465, 0x2335E774, 0x00000000
+data4   0x171A535C, 0x3FC25F6E, 0x233E36BE, 0x00000000
+data4   0xEDEB99A3, 0x3FC359E8, 0x239680A3, 0x00000000
+data4   0xC6092A9E, 0x3FC453CE, 0x230FB29E, 0x00000000
+data4   0xBA11570A, 0x3FC54D18, 0x230C1418, 0x00000000
+data4   0xFFB3AA73, 0x3FC645BF, 0x23F0564A, 0x00000000
+data4   0xE8A7D201, 0x3FC73DBD, 0x23D4A5E1, 0x00000000
+data4   0xE398EBC7, 0x3FC8350B, 0x23D4ADDA, 0x00000000
+data4   0x7D050271, 0x3FC92BA3, 0x23BCB085, 0x00000000
+data4   0x601081A5, 0x3FCA217E, 0x23BC841D, 0x00000000
+data4   0x574D780B, 0x3FCB1696, 0x23CF4A8E, 0x00000000
+data4   0x4D768466, 0x3FCC0AE5, 0x23BECC90, 0x00000000
+data4   0x4E1D5395, 0x3FCCFE65, 0x2323DCD2, 0x00000000
+data4   0x864C9D9D, 0x3FCDF110, 0x23F53F3A, 0x00000000
+data4   0x451D980C, 0x3FCEE2E1, 0x23CCB11F, 0x00000000
+data4   0x54442D18, 0x400921FB, 0x33145C07, 0x3CA1A626 // I two doubles
+data4   0x54442D18, 0x3FF921FB, 0x33145C07, 0x3C91A626 // I_by_2 two dbls
+data4   0x54442D18, 0x3FE921FB, 0x33145C07, 0x3C81A626 // I_by_4 two dbls
+data4   0x7F3321D2, 0x4002D97C, 0x4C9E8A0A, 0x3C9A7939 // 3I_by_4 two dbls
+ASM_SIZE_DIRECTIVE(Constants_atan#)
+.section .text
+
+.proc __libm_atan2_reg#
+.global __libm_atan2_reg#
+.align 64
+__libm_atan2_reg:
+
+
+{ .mfi
+       alloc  r32 = ar.pfs,0,20,4,0
+(p0)   mov f32 = f8
+       nop.i 0
+} 
+{ .mmi
+      nop.m 0
+(p0)  addl           r39   = @ltoff(Constants_atan#), gp
+      nop.i 999
+}
+;;
+
+{ .mmi
+      ld8 r39 = [r39]
+      nop.m 999
+      nop.i 999
+}
+;;
+
+{ .mfi
+       nop 999	// EMbo added ...
+(p0)   mov f33 = f9
+ nop.i 0
+ } { .mfi
+       nop 999	// EMbo added ...
+(p0)   fclass.nm.unc p9,p0 = f32 ,0x1FF
+       nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fclass.nm.unc p8,p0 = f33 ,0x1FF
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fclass.m.unc  p6,p0 = f33 ,0x103
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fclass.m.unc  p7,p0 = f32 ,0x103
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fclass.m.unc p12,p0 = f33 ,0x0C3
+	nop 999;;	// EMbo added ...
+ } { .mfb
+	nop 999	// EMbo added ...
+//
+//     Check for NatVals.
+//     Check for EM Unsupporteds
+//     Check for NaNs.
+//
+(p0)   fclass.m.unc p13,p0 = f32 ,0x0C3
+(p6)   br.cond.sptk L(ATAN_NATVAL);;
+ } { .mbb
+	nop 999	// EMbo added ...
+(p7)   br.cond.sptk L(ATAN_NATVAL)
+(p8)   br.cond.sptk L(ATAN_UNSUPPORTED);;
+ } { .mib
+(p0)   add r40 = 96, r39
+	nop 999	// EMbo added ...
+(p9)   br.cond.sptk L(ATAN_UNSUPPORTED);;
+ } { .mib
+(p0)   ldfd  f50 = [r39],8
+	nop 999	// EMbo added ...
+(p12)  br.cond.sptk L(ATAN_NAN);;
+ } { .mfb
+	nop 999	// EMbo added ...
+(p0)   fnorm.s1 f33 = f33
+(p13)  br.cond.sptk L(ATAN_NAN);;
+ } { .mfi
+(p0)   ldfs  f51 = [r39],4
+//
+//     Remove sign bits from exponents
+//     Load 2**(-3)
+//     Normalize the input argument.
+//
+(p0)   fnorm.s1 f32 = f32
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   mov f82 = f1
+	nop 999;;	// EMbo added ...
+ } { .mmi
+	nop 999;;	// EMbo added ...
+(p0)   ldfs  f78 = [r39],180
+	nop 999;;	// EMbo added ...
+ } { .mmi
+(p0)   getf.exp r36 = f33;;
+//
+//     Get exp and sign of ArgX
+//     Get exp and sign of ArgY
+//     Load 2**(-3) and increment ptr to Q_4.
+//
+(p0)   getf.exp r37 = f32
+(p0)   shr.u r36 = r36,17;;
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmerge.s f84 =  f1,f32
+(p0)   shr.u r37 = r37,17;;
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     ArgX_abs = |ArgX|
+//     ArgY_abs = |ArgY|
+//     sign_X is sign bit of ArgX
+//     sign_Y is sign bit of ArgY
+//
+(p0)   fmerge.s f83 =  f1,f33
+(p0)   cmp.eq.unc  p8,p9 = 0x00000, r37;;
+ } { .mfi
+	nop 999	// EMbo added ...
+(p8)   fadd.s1 f34 = f0, f1
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p9)   fsub.s1 f34 = f0, f1
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmin.s1 f36 = f83, f84
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmax.s1 f35 = f83, f84
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     Is ArgX_abs >= ArgY_abs
+//     Is sign_Y == 0?
+//
+(p0)   fcmp.ge.s1  p6,p7 = f83,f84
+	nop 999;;	// EMbo added ...
+ } { .mii
+(p6)   cmp.eq.unc  p10, p11 =  0x00000, r36
+(p6)   add r38 = r0, r0;;
+//
+//     U = max(ArgX_abs,ArgY_abs)
+//     V = min(ArgX_abs,ArgY_abs)
+//     if p6, swap = 0
+//     if p7, swap = 1
+//
+//
+//     Let M = 1.0
+//     if p8, s_Y = 1.0
+//     if p9, s_Y = -1.0
+//
+(p7)   add r38 = 1,r0;;
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   frcpa.s1 f37, p6 =  f36, f35
+	nop 999;;	// EMbo added ...
+ } { .mfb
+	nop 999	// EMbo added ...
+//
+//     E = frcpa(V,U)
+//
+(p10)  fsub.s1 f82 = f82, f1
+(p6)   br.cond.sptk L(ATAN_STEP2);;
+ } { .mib
+	nop 999	// EMbo added ...
+	nop 999	// EMbo added ...
+// /**************************************************/
+// /********************* STEP2 **********************/
+// /**************************************************/
+(p0)   br.cond.spnt L(ATAN_SPECIAL_HANDLING);;
+ }
+L(ATAN_STEP2):
+ { .mlx
+	nop 999	// EMbo added ...
+(p0)   movl r47 =  0x8400000000000000
+ } { .mlx
+	nop 999	// EMbo added ...
+(p0)   movl r48 =  0x0000000000000100;;
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmpy.s1 f38 = f37, f36
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fcmp.lt.unc.s0  p0,p9 = f9,f1
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fcmp.lt.unc.s0  p0,p8 = f8,f1
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     Q = E * V
+//
+(p11)  fadd.s1 f82 = f82, f1
+	nop 999;;	// EMbo added ...
+ } { .mfi
+(p0)   getf.sig r46 = f38
+(p0)   fcmp.lt.unc p6,p7 = f38,f78
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmpy.s1 f38 = f37, f36
+(p0)   extr.u r42 = r46, 59, 4;;
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmpy.s1 f50 = f82, f50
+(p0)   dep r47 = r42, r47, 59, 4
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmpy.s1 f51 = f82, f51
+	nop 999;;	// EMbo added ...
+ } { .mmi
+	nop 999;;	// EMbo added ...
+//
+//     Is Q < 2**(-3)?
+//
+//
+//     Do fcmp to raise any denormal operand
+//     exceptions.
+//
+(p0)   getf.exp r45 = f38
+	nop 999;;	// EMbo added ...
+ } { .mib
+//
+//     lookup = b_1 b_2 b_3 B_4
+//
+//
+//     Generate 1.b_1 b_2 b_3 b_4 1 0 0 0 ... 0
+//
+(p0)   andcm r41 = 0x0003, r45
+	nop 999	// EMbo added ...
+//
+//     We waited a few extra cycles so P_lo and P_hi could be calculated.
+//     Load the constant 256 for loading up table entries.
+//
+//    /**************************************************/
+//    /********************* STEP3 **********************/
+//    /**************************************************/
+(p6)   br.cond.spnt L(ATAN_POLY);;
+ } { .mii
+(p0)   setf.sig f39 = r47
+(p0)   cmp.eq.unc  p8, p9 =  0x0000, r41
+//
+//     z_hi = s exp 1.b_1 b_2 b_3 b_4 1 0 0 0 ... 0
+//     point to beginning of Tbl_hi entries - k = 0.
+//
+(p0)   add r40 = 16, r39
+ } { .mmi
+(p0)   ldfe f73 = [r39],-16;;
+(p9)   sub r41 = r41,r0,1
+(p9)   add r40 = 16,r40
+ } { .mfi
+(p8)   ldfd  f48 = [r40],8
+(p0)   fmpy.s1 f50 = f34, f50
+(p0)   xor r38 = r36,r38;;
+ } { .mmi
+(p0)   ldfe f71 = [r39],-16;;
+(p8)   ldfs  f49 = [r40],8
+(p9)   pmpy2.r r41 = r41,r48;;
+ } { .mfi
+(p0)   ldfe f69 = [r39],-16
+//
+//     Let z_hi have exponent and sign of original Q
+//     Load the Tbl_hi(0) else, increment pointer.
+//
+(p0)   fmerge.se f39 =  f38,f39
+(p9)   shladd r42 = r42,0x0004,r41;;
+ } { .mmi
+(p9)   add r40 = r40, r42;;
+(p9)   ldfd  f48 = [r40],8
+	nop 999;;	// EMbo added ...
+ } { .mmi
+(p0)   ldfe f67 = [r39],-16;;
+(p9)   ldfs  f49 = [r40],8
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     U_prime_hi = U + V * z_hi
+//     Load the Tbl_lo(0)
+//
+(p0)   fma.s1 f40 = f36, f39, f35
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fnma.s1 f42 = f35, f39, f36
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   mov f52 = f48
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   frcpa.s1 f43, p6 =  f1, f40
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     U_prime_lo = U - U_prime_hi
+//     k = k * 256 - result can be 0, 256, or 512.
+//
+(p0)   fsub.s1 f41 = f35, f40
+(p0)   cmp.eq.unc  p7, p6 =  0x00000, r38
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmpy.s1 f52 = f34, f52
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p7)   fadd.s1 f54 = f0, f1
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p6)   fsub.s1 f54 = f0, f1
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fnma.s1 f80 = f43, f40, f1
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fadd.s1 f79 = f41, f40
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f41 = f36, f39, f41
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f56 = f54, f52, f50
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f43 = f80, f43, f43
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     U_prime_lo =  U - U_hold
+//     lookup -> lookup * 16 + k
+//
+//
+//     V_prime =  V - U * z_hi
+//     U_prime_lo =  V * z_hi + U_prime_lo
+//
+(p0)   fsub.s1 f79 = f35, f79
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fnma.s1 f80 = f43, f40, f1
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     C_hi = frcpa(1,U_prime_hi)
+//     U_prime_lo = U_prime_lo + U_hold
+//
+//
+//     C_hi_hold = 1 - C_hi * U_prime_hi (1)
+//
+//
+//     C_hi = C_hi + C_hi * C_hi_hold    (1)
+//
+//
+//     C_hi_hold = 1 - C_hi * U_prime_hi (2)
+//
+(p0)   fadd.s1 f41 = f41, f79
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     C_hi = C_hi + C_hi * C_hi_hold    (2)
+//
+(p0)   fma.s1 f43 = f80, f43, f43
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     C_hi_hold = 1 - C_hi * U_prime_hi (3)
+//
+(p0)   fnma.s1 f80 = f43, f40, f1
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     C_hi = C_hi + C_hi * C_hi_hold    (3)
+//
+(p0)   fma.s1 f43 = f80, f43, f43
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     w_hi = V_prime * C_hi
+//
+(p0)   fmpy.s1 f44 = f42, f43
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmpy.s1 f46 = f44, f44
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     wsq = w_hi * w_hi
+//     w_lo =  = V_prime - w_hi * U_prime_hi
+//
+(p0)   fnma.s1 f45 = f44, f40, f42
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f47 = f46, f73, f71
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     poly = Q_3 + wsq * Q_4
+//     w_lo =  = w_lo - w_hi * U_prime_lo
+//
+(p0)   fnma.s1 f45 = f44, f41, f45
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f47 = f46, f47, f69
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     poly = Q_2 + wsq * poly
+//     w_lo =  = w_lo * C_hi
+//
+(p0)   fmpy.s1 f45 = f43, f45
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f47 = f46, f47, f67
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     poly = Q_1 + wsq * poly
+//     A_lo = Tbl_lo + w_lo
+//     swap = xor(swap,sign_X)
+//
+(p0)   fadd.s1 f53 = f49, f45
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     Is (swap) != 0 ?
+//     poly = wsq * poly
+//     A_hi = Tbl_hi
+//
+(p0)   fmpy.s1 f47 = f46, f47
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     poly = wsq * poly
+//
+//
+//     if (p6) sigma = -1.0
+//     if (p7) sigma =  1.0
+//
+(p0)   fmpy.s1 f47 = f44, f47
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     P_hi = s_Y * P_hi
+//     A_lo = A_lo + poly
+//
+(p0)   fadd.s1 f53 = f53, f47
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     A_lo = A_lo + w_hi
+//     A_hi = s_Y * A_hi
+//
+(p0)   fadd.s1 f53 = f53, f44
+	nop 999;;	// EMbo added ...
+ } { .mfb
+	nop 999	// EMbo added ...
+//
+//     result_hi = P_hi + sigma * A_hi
+//     result_lo = P_lo + sigma * A_lo
+//
+(p0)   fma.s1 f55 = f54, f53, f51
+(p0)   br.cond.sptk L(RETURN_ATAN);;
+} 
+//
+//     result  =  result_hi + result_lo * s_Y  (User Supplied Rounding Mode)
+//
+//     (p0)   fma.d.s0 f57 = f55, f34, f56
+//
+// /**************************************************/
+// /********************* STEP4 **********************/
+// /**************************************************/
+//
+L(ATAN_POLY):
+{ .mmi
+(p0)   xor r38 = r36,r38
+(p0)  addl           r39   = @ltoff(Constants_atan#), gp
+      nop.i 999
+}
+;;
+
+{ .mmi
+      ld8 r39 = [r39]
+      nop.m 999
+      nop.i 999
+}
+;;
+
+
+{ .mlx
+	nop 999	// EMbo added ...
+(p0)   movl r47 =  0x24005;;
+ } { .mfi
+(p0)   add r39 = 128, r39
+(p0)   fnma.s1 f81 = f37, f35, f1
+(p0)   cmp.eq.unc  p7, p6 =  0x00000, r38;;
+ } { .mmf
+	nop 999	// EMbo added ...
+(p0)   ldfe f77 = [r39],-16
+//
+//     Iterate 3 times E = E + E*(1.0 - E*U)
+//     Also load P_8, P_7, P_6, P_5, P_4
+//     E_hold = 1.0 - E * U     (1)
+//     A_temp = Q
+//
+(p0)   mov f85 = f38;;
+ } { .mmf
+	nop 999	// EMbo added ...
+(p0)   ldfe f76 = [r39],-16
+(p6)   fsub.s1 f54 = f0, f1;;
+ } { .mmf
+	nop 999	// EMbo added ...
+(p0)   ldfe f75 = [r39],-16
+//
+//     E = E + E_hold*E         (1)
+//     Point to P_8.
+//
+(p0)   fma.s1 f37 = f37, f81, f37;;
+ } { .mmf
+	nop 999	// EMbo added ...
+(p0)   ldfe f74 = [r39],-16
+(p0)   fnma.s1 f64 = f85, f35, f36;;
+ } { .mmf
+	nop 999	// EMbo added ...
+(p0)   ldfe f72 = [r39],-16
+(p7)   fadd.s1 f54 = f0, f1;;
+ } { .mmf
+	nop 999	// EMbo added ...
+(p0)   ldfe f70 = [r39],-16
+//
+//     E_hold = 1.0 - E * U     (2)
+//
+(p0)   fnma.s1 f81 = f37, f35, f1;;
+ } { .mmf
+	nop 999	// EMbo added ...
+(p0)   ldfe f68 = [r39],-16
+(p0)   fmpy.s1 f50 = f34, f50;;
+ } { .mmf
+	nop 999	// EMbo added ...
+(p0)   ldfe f66 = [r39],-16
+(p0)   fmpy.d.s0 f67 = f67, f67
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     E = E + E_hold*E         (2)
+//
+(p0)   fma.s1 f37 = f37, f81, f37
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     E_hold = 1.0 - E * U     (3)
+//
+(p0)   fnma.s1 f81 = f37, f35, f1
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     E = E + E_hold*E         (3)
+//     At this point E approximates 1/U to roughly working precision
+//     z = V*E approximates V/U
+//
+(p0)   fma.s1 f37 = f37, f81, f37
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     z =   V * E
+//
+(p0)   fmpy.s1 f59 = f36, f37
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmpy.s1 f64 = f64, f37
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     zsq = z * z
+//     Also load P_3
+//
+(p0)   fmpy.s1 f60 = f59, f59
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fadd.s1 f52 = f85, f64
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f62 = f60, f77, f76
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f63 = f60, f70, f68
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     z8 = zsq * zsq
+//     Also load P_2
+//
+(p0)   fmpy.s1 f61 = f60, f60
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fsub.s1 f85 = f85, f52
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmerge.s  f65 = f52,f52
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f62 = f60, f62, f75
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f63 = f60, f63, f66
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     z8 = z8 * z8
+//     Also load P_1
+//     poly1 = _4 + zsq*(P_5 + zsq*(P_6 + zsq*(P_7 + zsq*P_8)))
+//     poly2 = zsq*(P_1 + zsq*(P_2 + zsq*P_3))
+//
+//
+//     poly1 = P_7 + zsq * P_8
+//     poly2 = P_2 + zsq * P_3
+//     poly1 = P_4 + zsq*(P_5 + zsq*(P_6 + zsq*poly1))
+//     poly2 = zsq*(P_1 + zsq*poly2)
+//
+//
+//     poly1 = P_6 + zsq * poly1
+//     poly2 = P_1 + zsq * poly2
+//     poly1 = P_4 + zsq*(P_5 + zsq*poly1)
+//     poly2 = zsq*poly2
+//
+(p0)   fmpy.s1 f61 = f61, f61
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fadd.s1 f64 = f85, f64
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f62 = f60, f62, f74
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     poly1 = P_5 + zsq * poly1
+//     poly2 = zsq * poly2
+//     poly1 = P_4 + zsq*poly1
+//
+(p0)   fmpy.s1 f63 = f63, f60
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     poly1 = P_4 + zsq * poly1
+//     swap = xor(swap,sign_X)
+//
+(p0)   fma.s1 f62 = f60, f62, f72
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     poly = z8*poly1 + poly2  (Typo in writeup)
+//     Is (swap) != 0 ?
+//
+//
+//     z_lo = V - A_temp * U
+//     if (p7) sigma =  1.0
+//     Writeup shows A_temp as A_hi
+//
+//
+//     z_lo = z_lo * E
+//     if (p6) sigma = -1.0
+//     z_lo = (V - A_temp * U) *E
+//
+//
+//     Fixup added to force inexact later -
+//     A_hi = A_temp + z_lo
+//     z_lo = (A_temp - A_hi) + z_lo
+//     z_lo = A_hi - z_lo -A_hi + z_lo = about 0
+//
+(p0)   fma.s1 f47 = f61, f62, f63
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     A_lo = z * poly + z_lo
+//
+(p0)   fma.s1 f53 = f59, f47, f64
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fadd.s1  f52 = f65, f53
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fsub.s1  f65 = f65, f52
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fmpy.s1 f52 = f34, f52
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fadd.s1  f53 = f65, f53
+	nop 999	// EMbo added ...
+ } { .mfi
+(p0)   setf.exp f65 = r47
+(p0)   fma.s1 f56 = f54, f52, f50
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fclass.m.unc  p6,p0 = f53,0x007
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     P_hi = s_Y * P_hi
+//     A_hi = s_Y * A_hi
+//
+//
+//     result_hi = P_hi + sigma * A_hi
+//
+(p6)   mov f53 = f65
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     tmp = P_hi - result_hi
+//
+(p0)   fsub.s1 f65 = f50, f56
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fma.s1 f65 = f52, f54, f65
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     tmp   = sigma * A_hi  + tmp
+//     sigma = A_lo * sigma  + P_lo
+//
+(p0)   fma.s1 f54 = f53, f54, f51
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     result_lo = s_Y * sigma + tmp
+//
+(p0)   fma.s1 f55 = f34, f54, f65
+	nop 999;;	// EMbo added ...
+ } { .mfb
+       nop.m 0
+       mov f34 = f1
+(p0)   br.cond.sptk L(RETURN_ATAN);;
+}
+//
+//     result  =  result_hi + result_lo  (User Supplied Rounding Mode)
+//
+//     (p0)   fadd.d.s0 f57 = f55, f56
+L(ATAN_UNSUPPORTED):
+L(ATAN_NATVAL):
+ { .mfb
+	nop 999	// EMbo added ...
+//
+//     Deal with the NatVal and unsupported cases.
+//     Raise invalid if warrented.
+//
+(p0)   fmpy.d.s0 f57 = f8, f9
+br.cond.sptk L(RETURN_ATAN);;
+ }
+L(ATAN_NAN):
+ { .mfb
+	nop 999	// EMbo added ...
+//
+//     If only one NaN, then generate the resulting
+//     NaN and return - may raise invalid.
+//
+(p0)   fmpy.d.s0 f57 = f8, f9
+(p0)   br.cond.sptk L(RETURN_ATAN);;
+ }
+L(ATAN_SPECIAL_HANDLING):
+
+ { .mmf
+(p0)   addl           r39   = @ltoff(Constants_atan#), gp
+       nop.m 999
+(p0)   fcmp.lt.s0 p0,p7 = f8,f1
+ } 
+;;
+
+//
+//     Raise denormal operand faults if necessary
+//
+
+{ .mfi
+       ld8 r39 = [r39]
+(p0)   fcmp.lt.s0 p0,p6 = f9,f1
+	nop 999;;	// EMbo added ...
+} 
+;;
+
+
+
+{ .mfi
+	nop 999	// EMbo added ...
+(p0)   fclass.m.unc p6,p7 = f32,0x007
+	nop 999;;	// EMbo added ...
+ } { .mlx
+	nop 999	// EMbo added ...
+(p0)   movl r47 = 992;;
+ } { .mib
+(p0)   add r39 = r39, r47
+	nop 999	// EMbo added ...
+(p7)   br.cond.sptk L(ATAN_ArgY_Not_ZERO);;
+ } { .mfi
+	nop 999	// EMbo added ...
+(p6)   fclass.m.unc p14,p0 = f33,0x035
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p6)   fclass.m.unc p15,p0 = f33,0x036
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p6)   fclass.m.unc p13,p0 = f33,0x007
+	nop 999	// EMbo added ...
+ } { .mfi
+(p0)   ldfd  f56 = [r39],8
+	nop 999	// EMbo added ...
+	nop 999;;	// EMbo added ...
+ } { .mfi
+(p0)   ldfd  f55 = [r39],-8
+(p14)  fmerge.s f56 =  f32,f0
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     Return sign_Y * 0 when Y = +/-0 and X > 0
+//
+(p14)  fmerge.s f55 =  f32,f0
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p15)  fmerge.s f56 =  f32,f56
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     Return sign_Y * PI when X <  -0
+//
+//
+(p15)  fmerge.s f55 =  f32,f55
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fadd.d.s0 f57 = f56,f55
+      nop.i 0
+ } { .bbb
+//
+//     Call error support function for atan(0,0)
+//     - expected value already computed.
+//
+    nop.b 0
+    nop.b 0
+(p0)  br.cond.sptk L(RETURN_ATAN)
+ }
+L(ATAN_ArgY_Not_ZERO):
+ { .mfi
+	nop 999	// EMbo added ...
+(p0)   fclass.m.unc p9,p10 = f32,0x023
+	nop 999;;	// EMbo added ...
+ } { .mfb
+	nop 999	// EMbo added ...
+(p9)   fclass.m.unc p6,p0 = f33,0x017
+(p10)  br.cond.sptk L(ATAN_ArgY_Not_INF);;
+ } { .mfi
+(p6)   add r39 = 16,r39
+(p9)   fclass.m.unc p7,p0 = f33,0x021
+	nop 999;;	// EMbo added ...
+ } { .mmf
+	nop 999	// EMbo added ...
+(p0)   ldfd  f56 = [r39],8
+(p9)   fclass.m.unc p8,p0 = f33,0x022;;
+ } { .mbb
+(p0)   ldfd  f55 = [r39],-8
+	nop 999	// EMbo added ...
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p6)   fmerge.s f56 =  f32,f56
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p6)   fmerge.s f55 =  f32,f55
+	nop 999;;	// EMbo added ...
+ } { .mfb
+	nop 999	// EMbo added ...
+//
+//     Load I/2 and adjust its sign.
+//     Return +I/2 when ArgY = +Inf and ArgX = +/-0,normal
+//     Return -I/2 when ArgY = -Inf and ArgX = +/-0,normal
+//
+(p6)   fadd.d.s0  f57 =   f56,  f55
+(p6)   br.cond.sptk L(RETURN_ATAN);;
+ } { .mmi
+(p7)   add r39 = 32,r39;;
+(p7)   ldfd  f56 = [r39],8
+	nop 999;;	// EMbo added ...
+ } { .mmi
+	nop 999;;	// EMbo added ...
+(p7)   ldfd  f55 = [r39],-8
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p7)   fmerge.s f56 =  f32,f56
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p7)   fmerge.s f55 =  f32,f55
+	nop 999;;	// EMbo added ...
+ } { .mfb
+	nop 999	// EMbo added ...
+//
+//     Load PI/4 and adjust its sign.
+//     Return +PI/4 when ArgY = +Inf and ArgX = +Inf
+//     Return -PI/4 when ArgY = -Inf and ArgX = +Inf
+//
+(p7)   fadd.d.s0  f57 =   f56,  f55
+(p7)   br.cond.sptk L(RETURN_ATAN);;
+ } { .mmi
+(p8)   add r39 = 48,r39;;
+(p8)   ldfd f56 =[r39],8
+	nop 999;;	// EMbo added ...
+ } { .mmi
+	nop 999;;	// EMbo added ...
+(p8)   ldfd f55 =[r39],-8
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p8)   fmerge.s f56 =  f32,f56
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p8)   fmerge.s f55 =  f32,f55
+	nop 999;;	// EMbo added ...
+ } { .mfb
+	nop 999	// EMbo added ...
+//
+//     Load I/4 and adjust its sign.
+//     Return +3I/4 when ArgY = +Inf and ArgX = -Inf
+//     Return -3I/4 when ArgY = -Inf and ArgX = -Inf
+//
+(p8)   fadd.d.s0  f57 =   f56,  f55
+(p8)   br.cond.sptk L(RETURN_ATAN);;
+ }
+L(ATAN_ArgY_Not_INF):
+ { .mfi
+	nop 999	// EMbo added ...
+(p0)   fclass.m.unc  p6,p0 = f33,0x007
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fclass.m.unc  p7,p0 = f33,0x021
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p0)   fclass.m.unc  p8,p0 = f33,0x022
+(p6)   add r39 = 16,r39;;
+ } { .mfi
+(p6)   ldfd f56 =[r39],8
+	nop 999	// EMbo added ...
+	nop 999;;	// EMbo added ...
+ } { .mmi
+	nop 999;;	// EMbo added ...
+(p6)   ldfd f55 =[r39],-8
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p6)   fmerge.s f56 =  f32,f56
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p6)   fmerge.s f55 =  f32,f55
+	nop 999;;	// EMbo added ...
+ } { .mfb
+	nop 999	// EMbo added ...
+//
+//     return = sign_Y * I/2 when ArgX = +/-0
+//
+(p6)   fadd.d.s0 f57 = f56, f55
+(p6)   br.cond.sptk L(RETURN_ATAN);;
+ } { .mfi
+	nop 999	// EMbo added ...
+(p7)   fmerge.s f56 =  f32,f0
+	nop 999	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p7)   fmerge.s f55 =  f32,f0
+	nop 999;;	// EMbo added ...
+ } { .mfb
+	nop 999	// EMbo added ...
+//
+//     return = sign_Y * 0 when ArgX = Inf
+//
+(p7)   fadd.d.s0 f57 = f56, f55
+(p7)   br.cond.sptk L(RETURN_ATAN);;
+ } { .mfi
+(p8)   ldfd f56 = [r39],8
+	nop 999	// EMbo added ...
+	nop 999;;	// EMbo added ...
+ } { .mmi
+	nop 999;;	// EMbo added ...
+(p8)   ldfd f55 = [r39],-8
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p8)   fmerge.s f56 =  f32,f56
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+(p8)   fmerge.s f55 =  f32,f55
+	nop 999;;	// EMbo added ...
+ } { .mfi
+	nop 999	// EMbo added ...
+//
+//     return = sign_Y * I when ArgX = -Inf
+//
+(p8)   fadd.d.s0  f57 =   f56,  f55
+	nop 999	// EMbo added ...
+ };;
+L(RETURN_ATAN):
+// mov    f8     = f57 ;;
+// The answer is in f57.
+// But Z_hi is f56
+//     Z_lo is f55
+//     s_Y  is f34
+//     W is in f9 and untouched
+
+{ .mfi
+	nop 999	
+mov    f8     = f56
+        nop.i 0
+};;
+
+{ .mfi
+	nop 999	
+mov    f10    = f55
+        nop.i 999
+}
+{ .mfb
+	nop 999	
+mov    f11    = f34
+br.ret.sptk   b0
+};;
+
+.endp __libm_atan2_reg
+ASM_SIZE_DIRECTIVE(__libm_atan2_reg)