+2010-02-08 Luis Machado <luisgpm@br.ibm.com>
+
+ * sysdeps/powerpc/powerpc64/power7/fpu/s_isnan.S: New file.
+ * sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S: New file.
+ * sysdeps/powerpc/powerpc64/power7/fpu/s_isnanf.S: New file.
+ * sysdeps/powerpc/powerpc32/power7/fpu/s_isnanf.S: New file.
+ * sysdeps/powerpc/powerpc64/power7/fpu/s_isinf.S: New file.
+ * sysdeps/powerpc/powerpc32/power7/fpu/s_isinf.S: New file.
+ * sysdeps/powerpc/powerpc64/power7/fpu/s_isinff.S: New file.
+ * sysdeps/powerpc/powerpc32/power7/fpu/s_isinff.S: New file.
+ * sysdeps/powerpc/powerpc64/power7/fpu/s_finite.S: New file.
+ * sysdeps/powerpc/powerpc32/power7/fpu/s_finite.S: New file.
+ * sysdeps/powerpc/powerpc64/power7/fpu/s_finitef.S: New file.
+ * sysdeps/powerpc/powerpc32/power7/fpu/s_finitef.S: New file.
+
2010-02-08 Andreas Schwab <schwab@redhat.com>
* include/fenv.h: Add hidden proto for fegetenv.
--- /dev/null
+/* finite(). PowerPC32/POWER7 version.
+ Copyright (C) 2010 Free Software Foundation, Inc.
+ Contributed by Luis Machado <luisgpm@br.ibm.com>.
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+/* int __finite(x) */
+ .section .rodata.cst8,"aM",@progbits,8
+ .align 3
+.LC0: /* 1.0 */
+ .quad 0x3ff0000000000000
+
+ .section ".text"
+ .type __finite, @function
+ .machine power7
+ENTRY (__finite)
+#ifdef SHARED
+ mflr r11
+ cfi_register(lr,r11)
+
+ bcl 20,31,1f
+1: mflr r9
+ addis r9,r9,.LC0-1b@ha
+ lfd fp0,.LC0-1b@l(r9)
+
+ mtlr r11
+ cfi_same_value (lr)
+#else
+ lis r9,.LC0@ha
+ lfd fp0,.LC0@l(r9)
+#endif
+ ftdiv cr7,fp1,fp0
+ li r3,1
+ bflr 30
+
+ /* We have -INF/+INF/NaN or a denormal. */
+
+ stwu r1,-16(r1) /* Allocate stack space. */
+ stfd fp1,8(r1) /* Transfer FP to GPR's. */
+
+ ori 2,2,0 /* Force a new dispatch group. */
+ lhz r0,8(r1) /* Fetch the upper portion of the high word of
+ the FP value (where the exponent and sign bits
+ are). */
+ clrlwi r0,r0,17 /* r0 = abs(r0). */
+ addi r1,r1,16 /* Reset the stack pointer. */
+ cmpwi cr7,r0,0x7ff0 /* r4 == 0x7ff0?. */
+ bltlr cr7 /* LT means we have a denormal. */
+ li r3,0
+ blr
+ END (__finite)
+
+hidden_def (__finite)
+weak_alias (__finite, finite)
+
+/* It turns out that the 'double' version will also always work for
+ single-precision. */
+strong_alias (__finite, __finitef)
+hidden_def (__finitef)
+weak_alias (__finitef, finitef)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__finite, __finitel)
+weak_alias (__finite, finitel)
+#endif
+
+#ifndef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __finite, __finitel, GLIBC_2_0);
+compat_symbol (libc, finite, finitel, GLIBC_2_0);
+# endif
+#endif
--- /dev/null
+/* This function uses the same code as s_finite.S. */
--- /dev/null
+/* isinf(). PowerPC32/POWER7 version.
+ Copyright (C) 2010 Free Software Foundation, Inc.
+ Contributed by Luis Machado <luisgpm@br.ibm.com>.
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+/* int __isinf(x) */
+ .section .rodata.cst8,"aM",@progbits,8
+ .align 3
+.LC0: /* 1.0 */
+ .quad 0x3ff0000000000000
+
+ .section ".text"
+ .type __isinf, @function
+ .machine power7
+ENTRY (__isinf)
+#ifdef SHARED
+ mflr r11
+ cfi_register(lr,r11)
+
+ bcl 20,31,1f
+1: mflr r9
+ addis r9,r9,.LC0-1b@ha
+ lfd fp0,.LC0-1b@l(r9)
+
+ mtlr r11
+ cfi_same_value (lr)
+#else
+ lis r9,.LC0@ha
+ lfd fp0,.LC0@l(r9)
+#endif
+ ftdiv cr7,fp1,fp0
+ li r3,0
+ bflr 29 /* If not INF, return. */
+
+ /* Either we have -INF/+INF or a denormal. */
+
+ stwu r1,-16(r1) /* Allocate stack space. */
+ stfd fp1,8(r1) /* Transfer FP to GPR's. */
+ ori 2,2,0 /* Force a new dispatch group. */
+ lhz r4,8(r1) /* Fetch the upper portion of the high word of
+ the FP value (where the exponent and sign bits
+ are). */
+ addi r1,r1,16 /* Reset the stack pointer. */
+ cmpwi cr7,r4,0x7ff0 /* r4 == 0x7ff0? */
+ li r3,1
+ beqlr cr7 /* EQ means INF, otherwise -INF. */
+ li r3,-1
+ blr
+ END (__isinf)
+
+hidden_def (__isinf)
+weak_alias (__isinf, isinf)
+
+/* It turns out that the 'double' version will also always work for
+ single-precision. */
+strong_alias (__isinf, __isinff)
+hidden_def (__isinff)
+weak_alias (__isinff, isinff)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__isinf, __isinfl)
+weak_alias (__isinf, isinfl)
+#endif
+
+#ifndef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __isinf, __isinfl, GLIBC_2_0);
+compat_symbol (libc, isinf, isinfl, GLIBC_2_0);
+# endif
+#endif
+
--- /dev/null
+/* This function uses the same code as s_isinf.S. */
--- /dev/null
+/* isnan(). PowerPC32/POWER7 version.
+ Copyright (C) 2010 Free Software Foundation, Inc.
+ Contributed by Luis Machado <luisgpm@br.ibm.com>.
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+/* int __isnan(x) */
+ .section .rodata.cst8,"aM",@progbits,8
+ .align 3
+.LC0: /* 1.0 */
+ .quad 0x3ff0000000000000
+
+ .section ".text"
+ .type __isnan, @function
+ .machine power7
+ENTRY (__isnan)
+#ifdef SHARED
+ mflr r11
+ cfi_register(lr,r11)
+
+ bcl 20,31,1f
+1: mflr r9
+ addis r9,r9,.LC0-1b@ha
+ lfd fp0,.LC0-1b@l(r9)
+
+ mtlr r11
+ cfi_same_value (lr)
+#else
+ lis r9,.LC0@ha
+ lfd fp0,.LC0@l(r9)
+#endif
+ ftdiv cr7,fp1,fp0
+ li r3,0
+ bflr 30 /* If not NaN or Inf, finish. */
+
+ /* We have -INF/+INF/NaN or a denormal. */
+
+ stwu r1,-16(r1) /* Allocate stack space. */
+ stfd fp1,8(r1) /* Transfer FP to GPR's. */
+ ori 2,2,0 /* Force a new dispatch group. */
+ lwz r4,8(r1) /* Load the upper half of the FP value. */
+ lwz r5,12(r1) /* Load the lower half of the FP value. */
+ addi r1,r1,16 /* Reset the stack pointer. */
+ lis r0,0x7ff0 /* Load the upper portion for an INF/NaN. */
+ clrlwi r4,r4,1 /* r4 = abs(r4). */
+ cmpw cr7,r4,r0 /* if (abs(r4) <= inf). */
+ cmpwi cr6,r5,0 /* r5 == 0x00000000? */
+ bltlr cr7 /* LT means we have a denormal. */
+ bgt cr7,L(NaN) /* GT means we have a NaN. */
+ beqlr cr6 /* EQ means we have +/-INF. */
+L(NaN):
+ li r3,1 /* x == NaN? */
+ blr
+ END (__isnan)
+
+hidden_def (__isnan)
+weak_alias (__isnan, isnan)
+
+/* It turns out that the 'double' version will also always work for
+ single-precision. */
+strong_alias (__isnan, __isnanf)
+hidden_def (__isnanf)
+weak_alias (__isnanf, isnanf)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__isnan, __isnanl)
+weak_alias (__isnan, isnanl)
+#endif
+
+#ifndef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
+compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
+# endif
+#endif
--- /dev/null
+/* This function uses the same code as s_isnan.S. */
--- /dev/null
+/* finite(). PowerPC64/POWER7 version.
+ Copyright (C) 2010 Free Software Foundation, Inc.
+ Contributed by Luis Machado <luisgpm@br.ibm.com>.
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+/* int __finite(x) */
+ .section ".toc","aw"
+.LC0: /* 1.0 */
+ .tc FD_ONE[TC],0x3ff0000000000000
+ .section ".text"
+ .type __finite, @function
+ .machine power7
+EALIGN (__finite, 4, 0)
+ CALL_MCOUNT 0
+ lfd fp0,.LC0@toc(r2)
+ ftdiv cr7,fp1,fp0
+ li r3,1
+ bflr 30
+
+ /* If we are here, we either have +/-INF,
+ NaN or denormal. */
+
+ stfd fp1,-16(r1) /* Transfer FP to GPR's. */
+ ori 2,2,0 /* Force a new dispatch group. */
+
+ lhz r4,-16(r1) /* Fetch the upper portion of the high word of
+ the FP value (where the exponent and sign bits
+ are). */
+ clrlwi r4,r4,17 /* r4 = abs(r4). */
+ cmpwi cr7,r4,0x7ff0 /* r4 == 0x7ff0? */
+ bltlr cr7 /* LT means finite, other non-finite. */
+ li r3,0
+ blr
+ END (__finite)
+
+hidden_def (__finite)
+weak_alias (__finite, finite)
+
+/* It turns out that the 'double' version will also always work for
+ single-precision. */
+strong_alias (__finite, __finitef)
+hidden_def (__finitef)
+weak_alias (__finitef, finitef)
+
+#ifndef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __finite, __finitel, GLIBC_2_0);
+compat_symbol (libc, finite, finitel, GLIBC_2_0);
+# endif
+#endif
+
--- /dev/null
+/* This function uses the same code as s_finite.S. */
--- /dev/null
+/* isinf(). PowerPC64/POWER7 version.
+ Copyright (C) 2010 Free Software Foundation, Inc.
+ Contributed by Luis Machado <luisgpm@br.ibm.com>.
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+/* int __isinf(x) */
+ .section ".toc","aw"
+.LC0: /* 1.0 */
+ .tc FD_ONE[TC],0x3ff0000000000000
+ .section ".text"
+ .type __isinf, @function
+ .machine power7
+EALIGN (__isinf, 4, 0)
+ CALL_MCOUNT 0
+ lfd fp0,.LC0@toc(r2)
+ ftdiv cr7,fp1,fp0
+ li r3,0
+ bflr 29 /* If not INF, return. */
+
+ /* Either we have -INF/+INF or a denormal. */
+
+ stfd fp1,-16(r1) /* Transfer FP to GPR's. */
+ ori 2,2,0 /* Force a new dispatch group. */
+ lhz r4,-16(r1) /* Fetch the upper portion of the high word of
+ the FP value (where the exponent and sign bits
+ are). */
+ cmpwi cr7,r4,0x7ff0 /* r4 == 0x7ff0? */
+ li r3,1
+ beqlr cr7 /* EQ means INF, otherwise -INF. */
+ li r3,-1
+ blr
+ END (__isinf)
+
+hidden_def (__isinf)
+weak_alias (__isinf, isinf)
+
+/* It turns out that the 'double' version will also always work for
+ single-precision. */
+strong_alias (__isinf, __isinff)
+hidden_def (__isinff)
+weak_alias (__isinff, isinff)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__isinf, __isinfl)
+weak_alias (__isinf, isinfl)
+#endif
+
+#ifndef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __isinf, __isinfl, GLIBC_2_0);
+compat_symbol (libc, isinf, isinfl, GLIBC_2_0);
+# endif
+#endif
+
--- /dev/null
+/* This function uses the same code as s_isinf.S. */
--- /dev/null
+/* isnan(). PowerPC64/POWER7 version.
+ Copyright (C) 2010 Free Software Foundation, Inc.
+ Contributed by Luis Machado <luisgpm@br.ibm.com>.
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+/* int __isnan(x) */
+ .section ".toc","aw"
+.LC0: /* 1.0 */
+ .tc FD_ONE[TC],0x3ff0000000000000
+ .section ".text"
+ .type __isnan, @function
+ .machine power7
+EALIGN (__isnan, 4, 0)
+ CALL_MCOUNT 0
+ lfd fp0,.LC0@toc(r2)
+ ftdiv cr7,fp1,fp0
+ li r3,0
+ bflr 30 /* If not NaN, finish. */
+
+ stfd fp1,-16(r1) /* Transfer FP to GPR's. */
+ ori 2,2,0 /* Force a new dispatch group. */
+ ld r4,-16(r1) /* Load FP into GPR. */
+ lis r0,0x7ff0
+ sldi r0,r0,32 /* const long r0 0x7ff00000 00000000. */
+ clrldi r4,r4,1 /* x = fabs(x) */
+ cmpd cr7,r4,r0 /* if (fabs(x) <= inf) */
+ blelr cr7 /* LE means not NaN. */
+ li r3,1 /* else return 1 */
+ blr
+ END (__isnan)
+
+hidden_def (__isnan)
+weak_alias (__isnan, isnan)
+
+/* It turns out that the 'double' version will also always work for
+ single-precision. */
+strong_alias (__isnan, __isnanf)
+hidden_def (__isnanf)
+weak_alias (__isnanf, isnanf)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__isnan, __isnanl)
+weak_alias (__isnan, isnanl)
+#endif
+
+#ifndef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
+compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
+# endif
+#endif
+
--- /dev/null
+/* This function uses the same code as s_isnan.S. */
projects / external / glibc.git / commitdiff