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Diffstat (limited to 'sysdeps/ia64/fpu/e_exp.S')
-rw-r--r--sysdeps/ia64/fpu/e_exp.S13
1 files changed, 11 insertions, 2 deletions
diff --git a/sysdeps/ia64/fpu/e_exp.S b/sysdeps/ia64/fpu/e_exp.S
index 5ae8afeb99..d22fd18b77 100644
--- a/sysdeps/ia64/fpu/e_exp.S
+++ b/sysdeps/ia64/fpu/e_exp.S
@@ -1,7 +1,7 @@
.file "exp.s"
-// Copyright (c) 2000 - 2002, Intel Corporation
+// Copyright (c) 2000 - 2003, Intel Corporation
// All rights reserved.
//
// Contributed 2000 by the Intel Numerics Group, Intel Corporation
@@ -52,6 +52,7 @@
// 05/20/02 Cleaned up namespace and sf0 syntax
// 09/07/02 Force inexact flag
// 11/15/02 Split underflow path into zero/nonzero; eliminated fma in main path
+// 05/30/03 Set inexact flag on unmasked overflow/underflow
// API
//==============================================================
@@ -602,7 +603,7 @@ EXP_CERTAIN_OVERFLOW:
}
{ .mfb
mov GR_Parameter_TAG = 14
- fma.d.s0 FR_RESULT = fTmp, fTmp, f0 // Set I,O and +INF result
+ fma.d.s0 FR_RESULT = fTmp, fTmp, fTmp // Set I,O and +INF result
br.cond.sptk __libm_error_region
}
;;
@@ -685,6 +686,13 @@ EXP_CERTAIN_UNDERFLOW:
}
;;
+{ .mfi
+ nop.m 0
+ fmerge.se fTmp = fTmp, fLn2_by_128_lo // Small with signif lsb 1
+ nop.i 0
+}
+;;
+
{ .mfb
nop.m 0
fma.d.s0 f8 = fTmp, fTmp, f0 // Set I,U, tiny (+0.0) result
@@ -730,6 +738,7 @@ EXP_UNDERFLOW_ZERO:
GLOBAL_IEEE754_END(exp)
+
LOCAL_LIBM_ENTRY(__libm_error_region)
.prologue
{ .mfi