[newlib-cygwin] Remove unused TOINT_RINT and TOINT_SHIFT macros

[newlib-cygwin] Remove unused TOINT_RINT and TOINT_SHIFT macros

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=73a3e95ff2b08c61f2a046ffc543ae6eee589b03

commit 73a3e95ff2b08c61f2a046ffc543ae6eee589b03
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date:   Thu Jul 5 12:42:13 2018 +0100

    Remove unused TOINT_RINT and TOINT_SHIFT macros
    
    Only have separate code paths for TOINT_INTRINSICS and !TOINT_INTRINSICS.

Diff:
---
 newlib/libm/common/math_config.h | 6 ------
 newlib/libm/common/sf_exp.c      | 5 +----
 2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/newlib/libm/common/math_config.h b/newlib/libm/common/math_config.h
index 1f83756..b46e44e 100644
--- a/newlib/libm/common/math_config.h
+++ b/newlib/libm/common/math_config.h
@@ -93,12 +93,6 @@ converttoint (double_t x)
 #ifndef TOINT_INTRINSICS
 # define TOINT_INTRINSICS 0
 #endif
-#ifndef TOINT_RINT
-# define TOINT_RINT 0
-#endif
-#ifndef TOINT_SHIFT
-# define TOINT_SHIFT 1
-#endif
 
 static inline uint32_t
 asuint (float f)
diff --git a/newlib/libm/common/sf_exp.c b/newlib/libm/common/sf_exp.c
index 79ec62b..5d72c34 100644
--- a/newlib/libm/common/sf_exp.c
+++ b/newlib/libm/common/sf_exp.c
@@ -88,10 +88,7 @@ expf (float x)
 #if TOINT_INTRINSICS
   kd = roundtoint (z);
   ki = converttoint (z);
-#elif TOINT_RINT
-  kd = rint (z);
-  ki = (long) kd;
-#elif TOINT_SHIFT
+#else
 # define SHIFT __exp2f_data.shift
   kd = (double) (z + SHIFT); /* Rounding to double precision is required.  */
   ki = asuint64 (kd);