From: David S. Miller Date: Fri, 2 Mar 2012 06:14:35 +0000 (-0800) Subject: Optimized 64-bit sparc assembler for finite{,f} and isinf{,f}. X-Git-Tag: upstream/2.30~11534 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=759707dee3a862e9e3935a8c20eaf93b2f1f01af;p=external%2Fglibc.git Optimized 64-bit sparc assembler for finite{,f} and isinf{,f}. * sysdeps/sparc/sparc64/fpu/s_finite.S: New file. * sysdeps/sparc/sparc64/fpu/s_finitef.S: New file. * sysdeps/sparc/sparc64/fpu/s_isinf.S: New file. * sysdeps/sparc/sparc64/fpu/s_isinff.S: New file. --- diff --git a/ChangeLog b/ChangeLog index 31412c3..735ac66 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2012-03-01 David S. Miller + * sysdeps/sparc/sparc64/fpu/s_finite.S: New file. + * sysdeps/sparc/sparc64/fpu/s_finitef.S: New file. + * sysdeps/sparc/sparc64/fpu/s_isinf.S: New file. + * sysdeps/sparc/sparc64/fpu/s_isinff.S: New file. + * sysdeps/sparc/sparc32/fpu/s_signbit.S: New file. * sysdeps/sparc/sparc32/fpu/s_signbitf.S: New file. * sysdeps/sparc/sparc32/fpu/s_signbitl.S: New file. diff --git a/sysdeps/sparc/sparc64/fpu/s_finite.S b/sysdeps/sparc/sparc64/fpu/s_finite.S new file mode 100644 index 0000000..f93297e --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/s_finite.S @@ -0,0 +1,31 @@ +/* finite(). sparc64 version. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include + +ENTRY (__finite) + fabsd %f0, %f0 + st %f0, [%sp + STACK_BIAS + 128] + sethi %hi(0x7ff00000), %o2 + ld [%sp + STACK_BIAS + 128], %o0 + sub %o0, %o2, %o0 + retl + srl %o0, 31, %o0 +END (__finite) +hidden_def (__finite) +weak_alias (__finite, finite) diff --git a/sysdeps/sparc/sparc64/fpu/s_finitef.S b/sysdeps/sparc/sparc64/fpu/s_finitef.S new file mode 100644 index 0000000..2ebac99 --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/s_finitef.S @@ -0,0 +1,31 @@ +/* finitef(). sparc64 version. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include + +ENTRY (__finitef) + fabss %f1, %f0 + st %f0, [%sp + STACK_BIAS + 128] + sethi %hi(0x7f800000), %o2 + ld [%sp + STACK_BIAS + 128], %o0 + sub %o0, %o2, %o0 + retl + srl %o0, 31, %o0 +END (__finitef) +hidden_def (__finitef) +weak_alias (__finitef, finitef) diff --git a/sysdeps/sparc/sparc64/fpu/s_isinf.S b/sysdeps/sparc/sparc64/fpu/s_isinf.S new file mode 100644 index 0000000..20b54c0 --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/s_isinf.S @@ -0,0 +1,34 @@ +/* isinf(). sparc64 version. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include + +ENTRY (__isinf) + std %f0, [%sp + STACK_BIAS + 128] + sethi %hi(0x7ff00000), %o2 + ldx [%sp + STACK_BIAS + 128], %g1 + sllx %o2, 32, %o2 + sllx %g1, 1, %o4 + srlx %o4, 1, %o5 + srax %g1, 62, %o0 + xor %o5, %o2, %o3 + retl + movrne %o3, %g0, %o0 +END (__isinf) +hidden_def (__isinf) +weak_alias (__isinf, isinf) diff --git a/sysdeps/sparc/sparc64/fpu/s_isinff.S b/sysdeps/sparc/sparc64/fpu/s_isinff.S new file mode 100644 index 0000000..302ff8d --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/s_isinff.S @@ -0,0 +1,33 @@ +/* isinff(). sparc64 version. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include + +ENTRY (__isinff) + st %f1, [%sp + STACK_BIAS + 128] + sethi %hi(0x7f800000), %o2 + lduw [%sp + STACK_BIAS + 128], %g1 + sll %g1, 1, %o4 + srl %o4, 1, %o5 + sra %g1, 30, %o0 + xor %o5, %o2, %o3 + retl + movrne %o3, %g0, %o0 +END (__isinff) +hidden_def (__isinff) +weak_alias (__isinff, isinff)