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authorSunil K Pandey <skpgkp2@gmail.com>2021-12-29 09:29:44 -0800
committerSunil K Pandey <skpgkp2@gmail.com>2021-12-29 11:38:21 -0800
commit7e1722fec84c65bf95f249f9ad8d15ab12d8c853 (patch)
tree6c0b107f2c3f2081a8ad639a9a298c30a5506501 /sysdeps/x86
parent8f8566026dbe4ab104cab5845c4cdc9896702fdb (diff)
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x86-64: Add vector log2/log2f implementation to libmvec
Implement vectorized log2/log2f containing SSE, AVX, AVX2 and
AVX512 versions for libmvec as per vector ABI.  It also contains
accuracy and ABI tests for vector log2/log2f with regenerated ulps.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'sysdeps/x86')
-rw-r--r--sysdeps/x86/fpu/bits/math-vector.h4
-rw-r--r--sysdeps/x86/fpu/finclude/math-vector-fortran.h4
2 files changed, 8 insertions, 0 deletions
diff --git a/sysdeps/x86/fpu/bits/math-vector.h b/sysdeps/x86/fpu/bits/math-vector.h
index 64e80ada7a..59d284a10a 100644
--- a/sysdeps/x86/fpu/bits/math-vector.h
+++ b/sysdeps/x86/fpu/bits/math-vector.h
@@ -106,6 +106,10 @@
 #  define __DECL_SIMD_log10 __DECL_SIMD_x86_64
 #  undef __DECL_SIMD_log10f
 #  define __DECL_SIMD_log10f __DECL_SIMD_x86_64
+#  undef __DECL_SIMD_log2
+#  define __DECL_SIMD_log2 __DECL_SIMD_x86_64
+#  undef __DECL_SIMD_log2f
+#  define __DECL_SIMD_log2f __DECL_SIMD_x86_64
 
 # endif
 #endif
diff --git a/sysdeps/x86/fpu/finclude/math-vector-fortran.h b/sysdeps/x86/fpu/finclude/math-vector-fortran.h
index f5050c68af..a2ca9a203f 100644
--- a/sysdeps/x86/fpu/finclude/math-vector-fortran.h
+++ b/sysdeps/x86/fpu/finclude/math-vector-fortran.h
@@ -52,6 +52,8 @@
 !GCC$ builtin (atan2f) attributes simd (notinbranch) if('x86_64')
 !GCC$ builtin (log10) attributes simd (notinbranch) if('x86_64')
 !GCC$ builtin (log10f) attributes simd (notinbranch) if('x86_64')
+!GCC$ builtin (log2) attributes simd (notinbranch) if('x86_64')
+!GCC$ builtin (log2f) attributes simd (notinbranch) if('x86_64')
 
 !GCC$ builtin (cos) attributes simd (notinbranch) if('x32')
 !GCC$ builtin (cosf) attributes simd (notinbranch) if('x32')
@@ -89,3 +91,5 @@
 !GCC$ builtin (atan2f) attributes simd (notinbranch) if('x32')
 !GCC$ builtin (log10) attributes simd (notinbranch) if('x32')
 !GCC$ builtin (log10f) attributes simd (notinbranch) if('x32')
+!GCC$ builtin (log2) attributes simd (notinbranch) if('x32')
+!GCC$ builtin (log2f) attributes simd (notinbranch) if('x32')