[glibc] benchtests: Add logb{f} benchmark

[glibc] benchtests: Add logb{f} benchmark

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0cccd37f70ba629a32773d6f253cb69a893fa652

commit 0cccd37f70ba629a32773d6f253cb69a893fa652
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Thu Mar 14 11:55:04 2019 +0000

    benchtests: Add logb{f} benchmark
    
    	* benchtests/Makefile (bench-math): Add logb.
    	* benchtests/logb-inputs: New file.
    	* benchtests/logbf-inputs: New file.
    
    Reviewed-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>

Diff:
---
 ChangeLog               |  4 ++++
 benchtests/Makefile     |  2 +-
 benchtests/logb-inputs  | 11 +++++++++++
 benchtests/logbf-inputs | 11 +++++++++++
 4 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index a9aefa6..828f832 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2019-07-08  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 
+	* benchtests/Makefile (bench-math): Add logb.
+	* benchtests/logb-inputs: New file.
+	* benchtests/logbf-inputs: New file.
+
 	* sysdeps/powerpc/power5+/fpu/s_modf.c: Move to ...
 	* sysdeps/powerpc/fpu/s_modf.c: ... here.  Add ISA 2.07 optimization.
 	* sysdeps/powerpc/power5+/fpu/s_modff.c: Move to ...
diff --git a/benchtests/Makefile b/benchtests/Makefile
index 2d49113..697e29f 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -24,7 +24,7 @@ include ../Makeconfig
 bench-math := acos acosh asin asinh atan atanh cos cosh exp exp2 log log2 \
 	      modf pow rint sin sincos sinh sqrt tan tanh fmin fmax fminf \
 	      fmaxf powf trunc truncf expf exp2f logf log2f sincosf sinf \
-	      cosf isnan isinf isfinite hypot
+	      cosf isnan isinf isfinite hypot logb logbf
 
 bench-pthread := pthread_once thread_create
 
diff --git a/benchtests/logb-inputs b/benchtests/logb-inputs
new file mode 100644
index 0000000..ab3b161
--- /dev/null
+++ b/benchtests/logb-inputs
@@ -0,0 +1,11 @@
+## args: double
+## ret: double
+## includes: math.h
+
+## name: subnormal
+0x0.0000000000001p-1022
+0x0.fffffffffffffp-1022
+
+## name: normal
+1.0
+1024.0
diff --git a/benchtests/logbf-inputs b/benchtests/logbf-inputs
new file mode 100644
index 0000000..c97fa17
--- /dev/null
+++ b/benchtests/logbf-inputs
@@ -0,0 +1,11 @@
+## args: double
+## ret: double
+## includes: math.h
+
+## name: subnormal
+0x1p-149
+0x1.fffff8p-128
+
+## name: normal
+1.0
+1024.0