/* Simple transformations functions - s390 version.

   Copyright (C) 2016-2018 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

   <http://www.gnu.org/licenses/>.  */

#if defined HAVE_S390_VX_ASM_SUPPORT

# include <ifunc-resolve.h>

# if defined HAVE_S390_VX_GCC_SUPPORT

#  define ASM_CLOBBER_VR(NR) , NR

# else

#  define ASM_CLOBBER_VR(NR)

# endif

# define ICONV_C_NAME(NAME) __##NAME##_c

# define ICONV_VX_NAME(NAME) __##NAME##_vx

# ifdef HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT

/* We support z13 instructions by default -> Just use the vector variant.  */

#  define ICONV_VX_IFUNC(FUNC) strong_alias (ICONV_VX_NAME (FUNC), FUNC)

# else

/* We have to use ifunc to determine if z13 instructions are supported.  */

#  define ICONV_VX_IFUNC(FUNC)						\

  s390_libc_ifunc_expr (ICONV_C_NAME (FUNC), FUNC,			\

			(hwcap & HWCAP_S390_VX)				\

			? ICONV_VX_NAME (FUNC)				\

			: ICONV_C_NAME (FUNC)				\

			)

# endif

# define ICONV_VX_SINGLE(NAME)						\

  static __typeof (NAME##_single) __##NAME##_vx_single __attribute__((alias(#NAME "_single")));

/* Generate the transformations which are used, if the target machine does not

   support vector instructions.  */

# define __gconv_transform_ascii_internal		\

  ICONV_C_NAME (__gconv_transform_ascii_internal)

# define __gconv_transform_internal_ascii		\

  ICONV_C_NAME (__gconv_transform_internal_ascii)

# define __gconv_transform_internal_ucs4le		\

  ICONV_C_NAME (__gconv_transform_internal_ucs4le)

# define __gconv_transform_ucs4_internal		\

  ICONV_C_NAME (__gconv_transform_ucs4_internal)

# define __gconv_transform_ucs4le_internal		\

  ICONV_C_NAME (__gconv_transform_ucs4le_internal)

# define __gconv_transform_ucs2_internal		\

  ICONV_C_NAME (__gconv_transform_ucs2_internal)

# define __gconv_transform_ucs2reverse_internal		\

  ICONV_C_NAME (__gconv_transform_ucs2reverse_internal)

# define __gconv_transform_internal_ucs2		\

  ICONV_C_NAME (__gconv_transform_internal_ucs2)

# define __gconv_transform_internal_ucs2reverse		\

  ICONV_C_NAME (__gconv_transform_internal_ucs2reverse)

# include <iconv/gconv_simple.c>

# undef __gconv_transform_ascii_internal

# undef __gconv_transform_internal_ascii

# undef __gconv_transform_internal_ucs4le

# undef __gconv_transform_ucs4_internal

# undef __gconv_transform_ucs4le_internal

# undef __gconv_transform_ucs2_internal

# undef __gconv_transform_ucs2reverse_internal

# undef __gconv_transform_internal_ucs2

# undef __gconv_transform_internal_ucs2reverse

/* Now define the functions with vector support.  */

# if defined __s390x__

#  define CONVERT_32BIT_SIZE_T(REG)

# else

#  define CONVERT_32BIT_SIZE_T(REG) "llgfr %" #REG ",%" #REG "\n\t"

# endif

/* Convert from ISO 646-IRV to the internal (UCS4-like) format.  */

# define DEFINE_INIT		0

# define DEFINE_FINI		0

# define MIN_NEEDED_FROM	1

# define MIN_NEEDED_TO		4

# define FROM_DIRECTION		1

# define FROM_LOOP		ICONV_VX_NAME (ascii_internal_loop)

# define TO_LOOP		ICONV_VX_NAME (ascii_internal_loop) /* This is not used.  */

# define FUNCTION_NAME		ICONV_VX_NAME (__gconv_transform_ascii_internal)

# define ONE_DIRECTION		1

# define MIN_NEEDED_INPUT	MIN_NEEDED_FROM

# define MIN_NEEDED_OUTPUT	MIN_NEEDED_TO

# define LOOPFCT		FROM_LOOP

# define BODY_ORIG_ERROR						\

    /* The value is too large.  We don't try transliteration here since \

       this is not an error because of the lack of possibilities to	\

       represent the result.  This is a genuine bug in the input since	\

       ASCII does not allow such values.  */				\

    STANDARD_FROM_LOOP_ERR_HANDLER (1);

# define BODY_ORIG							\

  {									\

    if (__glibc_unlikely (*inptr > '\x7f'))				\

      {									\

	BODY_ORIG_ERROR							\

      }									\

    else								\

      {									\

	/* It's an one byte sequence.  */				\

	*((uint32_t *) outptr) = *inptr++;				\

	outptr += sizeof (uint32_t);					\

      }									\

  }

# define BODY								\

  {									\

    size_t len = inend - inptr;						\

    if (len > (outend - outptr) / 4)					\

      len = (outend - outptr) / 4;					\

    size_t loop_count, tmp;						\

    __asm__ volatile (".machine push\n\t"				\

		      ".machine \"z13\"\n\t"				\

		      ".machinemode \"zarch_nohighgprs\"\n\t"		\

		      CONVERT_32BIT_SIZE_T ([R_LEN])			\

		      "    vrepib %%v30,0x7f\n\t" /* For compare > 0x7f.  */ \

		      "    srlg %[R_LI],%[R_LEN],4\n\t"			\

		      "    vrepib %%v31,0x20\n\t"			\

		      "    clgije %[R_LI],0,1f\n\t"			\

		      "0:  \n\t" /* Handle 16-byte blocks.  */		\

		      "    vl %%v16,0(%[R_IN])\n\t"			\

		      /* Checking for values > 0x7f.  */		\

		      "    vstrcbs %%v17,%%v16,%%v30,%%v31\n\t"		\

		      "    jno 10f\n\t"					\

		      /* Enlarge to UCS4.  */				\

		      "    vuplhb %%v17,%%v16\n\t"			\

		      "    vupllb %%v18,%%v16\n\t"			\

		      "    vuplhh %%v19,%%v17\n\t"			\

		      "    vupllh %%v20,%%v17\n\t"			\

		      "    vuplhh %%v21,%%v18\n\t"			\

		      "    vupllh %%v22,%%v18\n\t"			\

		      /* Store 64bytes to buf_out.  */			\

		      "    vstm %%v19,%%v22,0(%[R_OUT])\n\t"		\

		      "    la %[R_IN],16(%[R_IN])\n\t"			\

		      "    la %[R_OUT],64(%[R_OUT])\n\t"		\

		      "    brctg %[R_LI],0b\n\t"			\

		      "    lghi %[R_LI],15\n\t"				\

		      "    ngr %[R_LEN],%[R_LI]\n\t"			\

		      "    je 20f\n\t" /* Jump away if no remaining bytes.  */ \

		      /* Handle remaining bytes.  */			\

		      "1: aghik %[R_LI],%[R_LEN],-1\n\t"		\

		      "    jl 20f\n\t" /* Jump away if no remaining bytes.  */ \

		      "    vll %%v16,%[R_LI],0(%[R_IN])\n\t"		\

		      /* Checking for values > 0x7f.  */		\

		      "    vstrcbs %%v17,%%v16,%%v30,%%v31\n\t"		\

		      "    vlgvb %[R_TMP],%%v17,7\n\t"			\

		      "    clr %[R_TMP],%[R_LI]\n\t"			\

		      "    locrh %[R_TMP],%[R_LEN]\n\t"			\

		      "    locghih %[R_LEN],0\n\t"			\

		      "    j 12f\n\t"					\

		      "10:\n\t"						\

		      /* Found a value > 0x7f.				\

			 Store the preceding chars.  */			\

		      "    vlgvb %[R_TMP],%%v17,7\n\t"			\

		      "12: la %[R_IN],0(%[R_TMP],%[R_IN])\n\t"		\

		      "    sllk %[R_TMP],%[R_TMP],2\n\t"		\

		      "    ahi %[R_TMP],-1\n\t"				\

		      "    jl 20f\n\t"					\

		      "    lgr %[R_LI],%[R_TMP]\n\t"			\

		      "    vuplhb %%v17,%%v16\n\t"			\

		      "    vuplhh %%v19,%%v17\n\t"			\

		      "    vstl %%v19,%[R_LI],0(%[R_OUT])\n\t"		\

		      "    ahi %[R_LI],-16\n\t"				\

		      "    jl 11f\n\t"					\

		      "    vupllh %%v20,%%v17\n\t"			\

		      "    vstl %%v20,%[R_LI],16(%[R_OUT])\n\t"		\

		      "    ahi %[R_LI],-16\n\t"				\

		      "    jl 11f\n\t"					\

		      "    vupllb %%v18,%%v16\n\t"			\

		      "    vuplhh %%v21,%%v18\n\t"			\

		      "    vstl %%v21,%[R_LI],32(%[R_OUT])\n\t"		\

		      "    ahi %[R_LI],-16\n\t"				\

		      "    jl 11f\n\t"					\

		      "    vupllh %%v22,%%v18\n\t"			\

		      "    vstl %%v22,%[R_LI],48(%[R_OUT])\n\t"		\

		      "11:\n\t"						\

		      "    la %[R_OUT],1(%[R_TMP],%[R_OUT])\n\t"	\

		      "20:\n\t"						\

		      ".machine pop"					\

		      : /* outputs */ [R_OUT] "+a" (outptr)		\

			, [R_IN] "+a" (inptr)				\

			, [R_LEN] "+d" (len)				\

			, [R_LI] "=d" (loop_count)			\

			, [R_TMP] "=a" (tmp)				\

		      : /* inputs */					\

		      : /* clobber list*/ "memory", "cc"		\

			ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17")	\

			ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19")	\

			ASM_CLOBBER_VR ("v20") ASM_CLOBBER_VR ("v21")	\

			ASM_CLOBBER_VR ("v22") ASM_CLOBBER_VR ("v30")	\

			ASM_CLOBBER_VR ("v31")				\

		      );						\

    if (len > 0)							\

      {									\

	/* Found an invalid character at the next input byte.  */	\

	BODY_ORIG_ERROR							\

      }									\

  }

# define LOOP_NEED_FLAGS

# include <iconv/loop.c>

# include <iconv/skeleton.c>

# undef BODY_ORIG

# undef BODY_ORIG_ERROR

ICONV_VX_IFUNC (__gconv_transform_ascii_internal)

/* Convert from the internal (UCS4-like) format to ISO 646-IRV.  */

# define DEFINE_INIT		0

# define DEFINE_FINI		0

# define MIN_NEEDED_FROM	4

# define MIN_NEEDED_TO		1

# define FROM_DIRECTION		1

# define FROM_LOOP		ICONV_VX_NAME (internal_ascii_loop)

# define TO_LOOP		ICONV_VX_NAME (internal_ascii_loop) /* This is not used.  */

# define FUNCTION_NAME		ICONV_VX_NAME (__gconv_transform_internal_ascii)

# define ONE_DIRECTION		1

# define MIN_NEEDED_INPUT	MIN_NEEDED_FROM

# define MIN_NEEDED_OUTPUT	MIN_NEEDED_TO

# define LOOPFCT		FROM_LOOP

# define BODY_ORIG_ERROR						\

  UNICODE_TAG_HANDLER (*((const uint32_t *) inptr), 4);			\

  STANDARD_TO_LOOP_ERR_HANDLER (4);

# define BODY_ORIG							\

  {									\

    if (__glibc_unlikely (*((const uint32_t *) inptr) > 0x7f))		\

      {									\

	BODY_ORIG_ERROR							\

      }									\

    else								\

      {									\

	/* It's an one byte sequence.  */				\

	*outptr++ = *((const uint32_t *) inptr);			\

	inptr += sizeof (uint32_t);					\

      }									\

  }

# define BODY								\

  {									\

    size_t len = (inend - inptr) / 4;					\

    if (len > outend - outptr)						\

      len = outend - outptr;						\

    size_t loop_count, tmp, tmp2;					\

    __asm__ volatile (".machine push\n\t"				\

		      ".machine \"z13\"\n\t"				\

		      ".machinemode \"zarch_nohighgprs\"\n\t"		\

		      CONVERT_32BIT_SIZE_T ([R_LEN])			\

		      /* Setup to check for ch > 0x7f.  */		\

		      "    vzero %%v21\n\t"				\

		      "    srlg %[R_LI],%[R_LEN],4\n\t"			\

		      "    vleih %%v21,8192,0\n\t"  /* element 0:   >  */ \

		      "    vleih %%v21,-8192,2\n\t" /* element 1: =<>  */ \

		      "    vleif %%v20,127,0\n\t"   /* element 0: 127  */ \

		      "    lghi %[R_TMP],0\n\t"				\

		      "    clgije %[R_LI],0,1f\n\t"			\

		      "0:\n\t"						\

		      "    vlm %%v16,%%v19,0(%[R_IN])\n\t"		\

		      /* Shorten to byte values.  */			\

		      "    vpkf %%v23,%%v16,%%v17\n\t"			\

		      "    vpkf %%v24,%%v18,%%v19\n\t"			\

		      "    vpkh %%v23,%%v23,%%v24\n\t"			\

		      /* Checking for values > 0x7f.  */		\

		      "    vstrcfs %%v22,%%v16,%%v20,%%v21\n\t"		\

		      "    jno 10f\n\t"					\

		      "    vstrcfs %%v22,%%v17,%%v20,%%v21\n\t"		\

		      "    jno 11f\n\t"					\

		      "    vstrcfs %%v22,%%v18,%%v20,%%v21\n\t"		\

		      "    jno 12f\n\t"					\

		      "    vstrcfs %%v22,%%v19,%%v20,%%v21\n\t"		\

		      "    jno 13f\n\t"					\

		      /* Store 16bytes to outptr.  */			\

		      "    vst %%v23,0(%[R_OUT])\n\t"			\

		      "    la %[R_IN],64(%[R_IN])\n\t"			\

		      "    la %[R_OUT],16(%[R_OUT])\n\t"		\

		      "    brctg %[R_LI],0b\n\t"			\

		      "    lghi %[R_LI],15\n\t"				\

		      "    ngr %[R_LEN],%[R_LI]\n\t"			\

		      "    je 20f\n\t" /* Jump away if no remaining bytes.  */ \

		      /* Handle remaining bytes.  */			\

		      "1: sllg %[R_LI],%[R_LEN],2\n\t"			\

		      "    aghi %[R_LI],-1\n\t"				\

		      "    jl 20f\n\t" /* Jump away if no remaining bytes.  */ \

		      /* Load remaining 1...63 bytes.  */		\

		      "    vll %%v16,%[R_LI],0(%[R_IN])\n\t"		\

		      "    ahi %[R_LI],-16\n\t"				\

		      "    jl 2f\n\t"					\

		      "    vll %%v17,%[R_LI],16(%[R_IN])\n\t"		\

		      "    ahi %[R_LI],-16\n\t"				\

		      "    jl 2f\n\t"					\

		      "    vll %%v18,%[R_LI],32(%[R_IN])\n\t"		\

		      "    ahi %[R_LI],-16\n\t"				\

		      "    jl 2f\n\t"					\

		      "    vll %%v19,%[R_LI],48(%[R_IN])\n\t"		\

		      "2:\n\t"						\

		      /* Shorten to byte values.  */			\

		      "    vpkf %%v23,%%v16,%%v17\n\t"			\

		      "    vpkf %%v24,%%v18,%%v19\n\t"			\

		      "    vpkh %%v23,%%v23,%%v24\n\t"			\

		      "    sllg %[R_LI],%[R_LEN],2\n\t"			\

		      "    aghi %[R_LI],-16\n\t"			\

		      "    jl 3f\n\t" /* v16 is not fully loaded.  */	\

		      "    vstrcfs %%v22,%%v16,%%v20,%%v21\n\t"		\

		      "    jno 10f\n\t"					\

		      "    aghi %[R_LI],-16\n\t"			\

		      "    jl 4f\n\t" /* v17 is not fully loaded.  */	\

		      "    vstrcfs %%v22,%%v17,%%v20,%%v21\n\t"		\

		      "    jno 11f\n\t"					\

		      "    aghi %[R_LI],-16\n\t"			\

		      "    jl 5f\n\t" /* v18 is not fully loaded.  */	\

		      "    vstrcfs %%v22,%%v18,%%v20,%%v21\n\t"		\

		      "    jno 12f\n\t"					\

		      "    aghi %[R_LI],-16\n\t"			\

		      /* v19 is not fully loaded. */			\

		      "    lghi %[R_TMP],12\n\t"			\

		      "    vstrcfs %%v22,%%v19,%%v20,%%v21\n\t"		\

		      "6: vlgvb %[R_I],%%v22,7\n\t"			\

		      "    aghi %[R_LI],16\n\t"				\

		      "    clrjl %[R_I],%[R_LI],14f\n\t"		\

		      "    lgr %[R_I],%[R_LEN]\n\t"			\

		      "    lghi %[R_LEN],0\n\t"				\

		      "    j 15f\n\t"					\

		      "3: vstrcfs %%v22,%%v16,%%v20,%%v21\n\t"		\

		      "    j 6b\n\t"					\

		      "4: vstrcfs %%v22,%%v17,%%v20,%%v21\n\t"		\

		      "    lghi %[R_TMP],4\n\t"				\

		      "    j 6b\n\t"					\

		      "5: vstrcfs %%v22,%%v17,%%v20,%%v21\n\t"		\

		      "    lghi %[R_TMP],8\n\t"				\

		      "    j 6b\n\t"					\

		      /* Found a value > 0x7f.  */			\

		      "13: ahi %[R_TMP],4\n\t"				\

		      "12: ahi %[R_TMP],4\n\t"				\

		      "11: ahi %[R_TMP],4\n\t"				\

		      "10: vlgvb %[R_I],%%v22,7\n\t"			\

		      "14: srlg %[R_I],%[R_I],2\n\t"			\

		      "    agr %[R_I],%[R_TMP]\n\t"			\

		      "    je 20f\n\t"					\

		      /* Store characters before invalid one...  */	\

		      "15: aghi %[R_I],-1\n\t"				\

		      "    vstl %%v23,%[R_I],0(%[R_OUT])\n\t"		\

		      /* ... and update pointers.  */			\

		      "    la %[R_OUT],1(%[R_I],%[R_OUT])\n\t"		\

		      "    sllg %[R_I],%[R_I],2\n\t"			\

		      "    la %[R_IN],4(%[R_I],%[R_IN])\n\t"		\

		      "20:\n\t"						\

		      ".machine pop"					\

		      : /* outputs */ [R_OUT] "+a" (outptr)		\

			, [R_IN] "+a" (inptr)				\

			, [R_LEN] "+d" (len)				\

			, [R_LI] "=d" (loop_count)			\

			, [R_I] "=a" (tmp2)				\

			, [R_TMP] "=d" (tmp)				\

		      : /* inputs */					\

		      : /* clobber list*/ "memory", "cc"		\

			ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17")	\

			ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19")	\

			ASM_CLOBBER_VR ("v20") ASM_CLOBBER_VR ("v21")	\

			ASM_CLOBBER_VR ("v22") ASM_CLOBBER_VR ("v23")	\

			ASM_CLOBBER_VR ("v24")				\

		      );						\

    if (len > 0)							\

      {									\

	/* Found an invalid character > 0x7f at next character.  */	\

	BODY_ORIG_ERROR							\

      }									\

  }

# define LOOP_NEED_FLAGS

# include <iconv/loop.c>

# include <iconv/skeleton.c>

# undef BODY_ORIG

# undef BODY_ORIG_ERROR

ICONV_VX_IFUNC (__gconv_transform_internal_ascii)

/* Convert from internal UCS4 to UCS4 little endian form.  */

# define DEFINE_INIT		0

# define DEFINE_FINI		0

# define MIN_NEEDED_FROM	4

# define MIN_NEEDED_TO		4

# define FROM_DIRECTION		1

# define FROM_LOOP		ICONV_VX_NAME (internal_ucs4le_loop)

# define TO_LOOP		ICONV_VX_NAME (internal_ucs4le_loop) /* This is not used.  */

# define FUNCTION_NAME		ICONV_VX_NAME (__gconv_transform_internal_ucs4le)

# define ONE_DIRECTION		0

static inline int

__attribute ((always_inline))

ICONV_VX_NAME (internal_ucs4le_loop) (struct __gconv_step *step,

				      struct __gconv_step_data *step_data,

				      const unsigned char **inptrp,

				      const unsigned char *inend,

				      unsigned char **outptrp,

				      unsigned char *outend,

				      size_t *irreversible)

{

  const unsigned char *inptr = *inptrp;

  unsigned char *outptr = *outptrp;

  int result;

  size_t len = MIN (inend - inptr, outend - outptr) / 4;

  size_t loop_count;

  __asm__ volatile (".machine push\n\t"

		    ".machine \"z13\"\n\t"

		    ".machinemode \"zarch_nohighgprs\"\n\t"

		    CONVERT_32BIT_SIZE_T ([R_LEN])

		    "    bras %[R_LI],1f\n\t"

		    /* Vector permute mask:  */

		    "    .long 0x03020100,0x7060504,0x0B0A0908,0x0F0E0D0C\n\t"

		    "1:  vl %%v20,0(%[R_LI])\n\t"

		    /* Process 64byte (16char) blocks.  */

		    "    srlg %[R_LI],%[R_LEN],4\n\t"

		    "    clgije %[R_LI],0,10f\n\t"

		    "0:  vlm %%v16,%%v19,0(%[R_IN])\n\t"

		    "    vperm %%v16,%%v16,%%v16,%%v20\n\t"

		    "    vperm %%v17,%%v17,%%v17,%%v20\n\t"

		    "    vperm %%v18,%%v18,%%v18,%%v20\n\t"

		    "    vperm %%v19,%%v19,%%v19,%%v20\n\t"

		    "    vstm %%v16,%%v19,0(%[R_OUT])\n\t"

		    "    la %[R_IN],64(%[R_IN])\n\t"

		    "    la %[R_OUT],64(%[R_OUT])\n\t"

		    "    brctg %[R_LI],0b\n\t"

		    "    llgfr %[R_LEN],%[R_LEN]\n\t"

		    "    nilf %[R_LEN],15\n\t"

		    /* Process 16byte (4char) blocks.  */

		    "10: srlg %[R_LI],%[R_LEN],2\n\t"

		    "    clgije %[R_LI],0,20f\n\t"

		    "11: vl %%v16,0(%[R_IN])\n\t"

		    "    vperm %%v16,%%v16,%%v16,%%v20\n\t"

		    "    vst %%v16,0(%[R_OUT])\n\t"

		    "    la %[R_IN],16(%[R_IN])\n\t"

		    "    la %[R_OUT],16(%[R_OUT])\n\t"

		    "    brctg %[R_LI],11b\n\t"

		    "    nill %[R_LEN],3\n\t"

		    /* Process <16bytes.  */

		    "20: sll %[R_LEN],2\n\t"

		    "    ahi %[R_LEN],-1\n\t"

		    "    jl 30f\n\t"

		    "    vll %%v16,%[R_LEN],0(%[R_IN])\n\t"

		    "    vperm %%v16,%%v16,%%v16,%%v20\n\t"

		    "    vstl %%v16,%[R_LEN],0(%[R_OUT])\n\t"

		    "    la %[R_IN],1(%[R_LEN],%[R_IN])\n\t"

		    "    la %[R_OUT],1(%[R_LEN],%[R_OUT])\n\t"

		    "30: \n\t"

		    ".machine pop"

		    : /* outputs */ [R_OUT] "+a" (outptr)

		      , [R_IN] "+a" (inptr)

		      , [R_LI] "=a" (loop_count)

		      , [R_LEN] "+a" (len)

		    : /* inputs */

		    : /* clobber list*/ "memory", "cc"

		      ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17")

		      ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19")

		      ASM_CLOBBER_VR ("v20")

		    );

  *inptrp = inptr;

  *outptrp = outptr;

  /* Determine the status.  */

  if (*inptrp == inend)

    result = __GCONV_EMPTY_INPUT;

  else if (*outptrp + 4 > outend)

    result = __GCONV_FULL_OUTPUT;

  else

    result = __GCONV_INCOMPLETE_INPUT;

  return result;

}

ICONV_VX_SINGLE (internal_ucs4le_loop)

# include <iconv/skeleton.c>

ICONV_VX_IFUNC (__gconv_transform_internal_ucs4le)

/* Transform from UCS4 to the internal, UCS4-like format.  Unlike

   for the other direction we have to check for correct values here.  */

# define DEFINE_INIT		0

# define DEFINE_FINI		0

# define MIN_NEEDED_FROM	4

# define MIN_NEEDED_TO		4

# define FROM_DIRECTION		1

# define FROM_LOOP		ICONV_VX_NAME (ucs4_internal_loop)

# define TO_LOOP		ICONV_VX_NAME (ucs4_internal_loop) /* This is not used.  */

# define FUNCTION_NAME		ICONV_VX_NAME (__gconv_transform_ucs4_internal)

# define ONE_DIRECTION		0

static inline int

__attribute ((always_inline))

ICONV_VX_NAME (ucs4_internal_loop) (struct __gconv_step *step,

				    struct __gconv_step_data *step_data,

				    const unsigned char **inptrp,

				    const unsigned char *inend,

				    unsigned char **outptrp,

				    unsigned char *outend,

				    size_t *irreversible)

{

  int flags = step_data->__flags;

  const unsigned char *inptr = *inptrp;

  unsigned char *outptr = *outptrp;

  int result;

  size_t len, loop_count;

  do

    {

      len = MIN (inend - inptr, outend - outptr) / 4;

      __asm__ volatile (".machine push\n\t"

			".machine \"z13\"\n\t"

			".machinemode \"zarch_nohighgprs\"\n\t"

			CONVERT_32BIT_SIZE_T ([R_LEN])

			/* Setup to check for ch > 0x7fffffff.  */

			"    larl %[R_LI],9f\n\t"

			"    vlm %%v20,%%v21,0(%[R_LI])\n\t"

			"    srlg %[R_LI],%[R_LEN],2\n\t"

			"    clgije %[R_LI],0,1f\n\t"

			/* Process 16byte (4char) blocks.  */

			"0:  vl %%v16,0(%[R_IN])\n\t"

			"    vstrcfs %%v22,%%v16,%%v20,%%v21\n\t"

			"    jno 10f\n\t"

			"    vst %%v16,0(%[R_OUT])\n\t"

			"    la %[R_IN],16(%[R_IN])\n\t"

			"    la %[R_OUT],16(%[R_OUT])\n\t"

			"    brctg %[R_LI],0b\n\t"

			"    llgfr %[R_LEN],%[R_LEN]\n\t"

			"    nilf %[R_LEN],3\n\t"

			/* Process <16bytes.  */

			"1:  sll %[R_LEN],2\n\t"

			"    ahik %[R_LI],%[R_LEN],-1\n\t"

			"    jl 20f\n\t" /* No further bytes available.  */

			"    vll %%v16,%[R_LI],0(%[R_IN])\n\t"

			"    vstrcfs %%v22,%%v16,%%v20,%%v21\n\t"

			"    vlgvb %[R_LI],%%v22,7\n\t"

			"    clr %[R_LI],%[R_LEN]\n\t"

			"    locgrhe %[R_LI],%[R_LEN]\n\t"

			"    locghihe %[R_LEN],0\n\t"

			"    j 11f\n\t"

			/* v20: Vector string range compare values.  */

			"9:  .long 0x7fffffff,0x0,0x0,0x0\n\t"

			/* v21: Vector string range compare control-bits.

			   element 0: >; element 1: =<> (always true)  */

			"    .long 0x20000000,0xE0000000,0x0,0x0\n\t"

			/* Found a value > 0x7fffffff.  */

			"10: vlgvb %[R_LI],%%v22,7\n\t"

			/* Store characters before invalid one.  */

			"11: aghi %[R_LI],-1\n\t"

			"    jl 20f\n\t"

			"    vstl %%v16,%[R_LI],0(%[R_OUT])\n\t"

			"    la %[R_IN],1(%[R_LI],%[R_IN])\n\t"

			"    la %[R_OUT],1(%[R_LI],%[R_OUT])\n\t"

			"20:\n\t"

			".machine pop"

			: /* outputs */ [R_OUT] "+a" (outptr)

			  , [R_IN] "+a" (inptr)

			  , [R_LI] "=a" (loop_count)

			  , [R_LEN] "+d" (len)

			: /* inputs */

			: /* clobber list*/ "memory", "cc"

			  ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v20")

			  ASM_CLOBBER_VR ("v21") ASM_CLOBBER_VR ("v22")

			);

      if (len > 0)

	{

	  /* The value is too large.  We don't try transliteration here since

	     this is not an error because of the lack of possibilities to

	     represent the result.  This is a genuine bug in the input since

	     UCS4 does not allow such values.  */

	  if (irreversible == NULL)

	    /* We are transliterating, don't try to correct anything.  */

	    return __GCONV_ILLEGAL_INPUT;

	  if (flags & __GCONV_IGNORE_ERRORS)

	    {

	      /* Just ignore this character.  */

	      ++*irreversible;

	      inptr += 4;

	      continue;

	    }

	  *inptrp = inptr;

	  *outptrp = outptr;

	  return __GCONV_ILLEGAL_INPUT;

	}

    }

  while (len > 0);

  *inptrp = inptr;

  *outptrp = outptr;

  /* Determine the status.  */

  if (*inptrp == inend)

    result = __GCONV_EMPTY_INPUT;

  else if (*outptrp + 4 > outend)

    result = __GCONV_FULL_OUTPUT;

  else

    result = __GCONV_INCOMPLETE_INPUT;

  return result;

}

ICONV_VX_SINGLE (ucs4_internal_loop)

# include <iconv/skeleton.c>

ICONV_VX_IFUNC (__gconv_transform_ucs4_internal)

/* Transform from UCS4-LE to the internal encoding.  */

# define DEFINE_INIT		0

# define DEFINE_FINI		0

# define MIN_NEEDED_FROM	4

# define MIN_NEEDED_TO		4

# define FROM_DIRECTION		1

# define FROM_LOOP		ICONV_VX_NAME (ucs4le_internal_loop)

# define TO_LOOP		ICONV_VX_NAME (ucs4le_internal_loop) /* This is not used.  */

# define FUNCTION_NAME		ICONV_VX_NAME (__gconv_transform_ucs4le_internal)

# define ONE_DIRECTION		0

static inline int

__attribute ((always_inline))

ICONV_VX_NAME (ucs4le_internal_loop) (struct __gconv_step *step,

				      struct __gconv_step_data *step_data,

				      const unsigned char **inptrp,

				      const unsigned char *inend,

				      unsigned char **outptrp,

				      unsigned char *outend,

				      size_t *irreversible)

{

  int flags = step_data->__flags;

  const unsigned char *inptr = *inptrp;

  unsigned char *outptr = *outptrp;

  int result;

  size_t len, loop_count;

  do

    {

      len = MIN (inend - inptr, outend - outptr) / 4;

      __asm__ volatile (".machine push\n\t"

			".machine \"z13\"\n\t"

			".machinemode \"zarch_nohighgprs\"\n\t"

			CONVERT_32BIT_SIZE_T ([R_LEN])

			/* Setup to check for ch > 0x7fffffff.  */

			"    larl %[R_LI],9f\n\t"

			"    vlm %%v20,%%v22,0(%[R_LI])\n\t"

			"    srlg %[R_LI],%[R_LEN],2\n\t"

			"    clgije %[R_LI],0,1f\n\t"

			/* Process 16byte (4char) blocks.  */

			"0:  vl %%v16,0(%[R_IN])\n\t"

			"    vperm %%v16,%%v16,%%v16,%%v22\n\t"

			"    vstrcfs %%v23,%%v16,%%v20,%%v21\n\t"

			"    jno 10f\n\t"

			"    vst %%v16,0(%[R_OUT])\n\t"

			"    la %[R_IN],16(%[R_IN])\n\t"

			"    la %[R_OUT],16(%[R_OUT])\n\t"

			"    brctg %[R_LI],0b\n\t"

			"    llgfr %[R_LEN],%[R_LEN]\n\t"

			"    nilf %[R_LEN],3\n\t"

			/* Process <16bytes.  */

			"1:  sll %[R_LEN],2\n\t"

			"    ahik %[R_LI],%[R_LEN],-1\n\t"

			"    jl 20f\n\t" /* No further bytes available.  */

			"    vll %%v16,%[R_LI],0(%[R_IN])\n\t"

			"    vperm %%v16,%%v16,%%v16,%%v22\n\t"

			"    vstrcfs %%v23,%%v16,%%v20,%%v21\n\t"

			"    vlgvb %[R_LI],%%v23,7\n\t"

			"    clr %[R_LI],%[R_LEN]\n\t"

			"    locgrhe %[R_LI],%[R_LEN]\n\t"

			"    locghihe %[R_LEN],0\n\t"

			"    j 11f\n\t"

			/* v20: Vector string range compare values.  */

			"9: .long 0x7fffffff,0x0,0x0,0x0\n\t"

			/* v21: Vector string range compare control-bits.

			   element 0: >; element 1: =<> (always true)  */

			"    .long 0x20000000,0xE0000000,0x0,0x0\n\t"

			/* v22: Vector permute mask.  */

			"    .long 0x03020100,0x7060504,0x0B0A0908,0x0F0E0D0C\n\t"

			/* Found a value > 0x7fffffff.  */

			"10: vlgvb %[R_LI],%%v23,7\n\t"

			/* Store characters before invalid one.  */

			"11: aghi %[R_LI],-1\n\t"

			"    jl 20f\n\t"

			"    vstl %%v16,%[R_LI],0(%[R_OUT])\n\t"

			"    la %[R_IN],1(%[R_LI],%[R_IN])\n\t"

			"    la %[R_OUT],1(%[R_LI],%[R_OUT])\n\t"

			"20:\n\t"

			".machine pop"

			: /* outputs */ [R_OUT] "+a" (outptr)

			  , [R_IN] "+a" (inptr)

			  , [R_LI] "=a" (loop_count)

			  , [R_LEN] "+d" (len)

			: /* inputs */

			: /* clobber list*/ "memory", "cc"

			  ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v20")

			  ASM_CLOBBER_VR ("v21") ASM_CLOBBER_VR ("v22")

			  ASM_CLOBBER_VR ("v23")

			);

      if (len > 0)

	{

	  /* The value is too large.  We don't try transliteration here since

	     this is not an error because of the lack of possibilities to

	     represent the result.  This is a genuine bug in the input since

	     UCS4 does not allow such values.  */

	  if (irreversible == NULL)

	    /* We are transliterating, don't try to correct anything.  */

	    return __GCONV_ILLEGAL_INPUT;

	  if (flags & __GCONV_IGNORE_ERRORS)

	    {

	      /* Just ignore this character.  */

	      ++*irreversible;

	      inptr += 4;

	      continue;

	    }

	  *inptrp = inptr;

	  *outptrp = outptr;

	  return __GCONV_ILLEGAL_INPUT;

	}

    }

  while (len > 0);

  *inptrp = inptr;

  *outptrp = outptr;

  /* Determine the status.  */

  if (*inptrp == inend)

    result = __GCONV_EMPTY_INPUT;

  else if (*inptrp + 4 > inend)

    result = __GCONV_INCOMPLETE_INPUT;

  else

    {

      assert (*outptrp + 4 > outend);

      result = __GCONV_FULL_OUTPUT;

    }

  return result;

}

ICONV_VX_SINGLE (ucs4le_internal_loop)

# include <iconv/skeleton.c>

ICONV_VX_IFUNC (__gconv_transform_ucs4le_internal)

/* Convert from UCS2 to the internal (UCS4-like) format.  */

# define DEFINE_INIT		0

# define DEFINE_FINI		0

# define MIN_NEEDED_FROM	2

# define MIN_NEEDED_TO		4

# define FROM_DIRECTION		1

# define FROM_LOOP		ICONV_VX_NAME (ucs2_internal_loop)

# define TO_LOOP		ICONV_VX_NAME (ucs2_internal_loop) /* This is not used.  */

# define FUNCTION_NAME		ICONV_VX_NAME (__gconv_transform_ucs2_internal)

# define ONE_DIRECTION		1

# define MIN_NEEDED_INPUT	MIN_NEEDED_FROM

# define MIN_NEEDED_OUTPUT	MIN_NEEDED_TO

# define LOOPFCT		FROM_LOOP

# define BODY_ORIG_ERROR						\

  /* Surrogate characters in UCS-2 input are not valid.  Reject		\

     them.  (Catching this here is not security relevant.)  */		\

  STANDARD_FROM_LOOP_ERR_HANDLER (2);

# define BODY_ORIG							\

  {									\

    uint16_t u1 = get16 (inptr);					\

									\

    if (__glibc_unlikely (u1 >= 0xd800 && u1 < 0xe000))			\

      {									\

	BODY_ORIG_ERROR							\

      }									\

									\

    *((uint32_t *) outptr) = u1;					\

    outptr += sizeof (uint32_t);					\

    inptr += 2;								\

  }

# define BODY								\

  {									\

    size_t len, tmp, tmp2;						\

    len = MIN ((inend - inptr) / 2, (outend - outptr) / 4);		\

    __asm__ volatile (".machine push\n\t"				\

		      ".machine \"z13\"\n\t"				\

		      ".machinemode \"zarch_nohighgprs\"\n\t"		\

		      CONVERT_32BIT_SIZE_T ([R_LEN])			\

		      /* Setup to check for ch >= 0xd800 && ch < 0xe000.  */ \

		      "    larl %[R_TMP],9f\n\t"			\

		      "    vlm %%v20,%%v21,0(%[R_TMP])\n\t"		\

		      "    srlg %[R_TMP],%[R_LEN],3\n\t"		\

		      "    clgije %[R_TMP],0,1f\n\t"			\

		      /* Process 16byte (8char) blocks.  */		\

		      "0:  vl %%v16,0(%[R_IN])\n\t"			\

		      "    vstrchs %%v19,%%v16,%%v20,%%v21\n\t"		\

		      /* Enlarge UCS2 to UCS4.  */			\

		      "    vuplhh %%v17,%%v16\n\t"			\

		      "    vupllh %%v18,%%v16\n\t"			\

		      "    jno 10f\n\t"					\

		      /* Store 32bytes to buf_out.  */			\

		      "    vstm %%v17,%%v18,0(%[R_OUT])\n\t"		\

		      "    la %[R_IN],16(%[R_IN])\n\t"			\

		      "    la %[R_OUT],32(%[R_OUT])\n\t"		\

		      "    brctg %[R_TMP],0b\n\t"			\

		      "    llgfr %[R_LEN],%[R_LEN]\n\t"			\

		      "    nilf %[R_LEN],7\n\t"				\

		      /* Process <16bytes.  */				\

		      "1:  sll %[R_LEN],1\n\t"				\

		      "    ahik %[R_TMP],%[R_LEN],-1\n\t"		\

		      "    jl 20f\n\t" /* No further bytes available.  */ \

		      "    vll %%v16,%[R_TMP],0(%[R_IN])\n\t"		\

		      "    vstrchs %%v19,%%v16,%%v20,%%v21\n\t"		\

		      /* Enlarge UCS2 to UCS4.  */			\

		      "    vuplhh %%v17,%%v16\n\t"			\

		      "    vupllh %%v18,%%v16\n\t"			\

		      "    vlgvb %[R_TMP],%%v19,7\n\t"			\

		      "    clr %[R_TMP],%[R_LEN]\n\t"			\

		      "    locgrhe %[R_TMP],%[R_LEN]\n\t"		\

		      "    locghihe %[R_LEN],0\n\t"			\

		      "    j 11f\n\t"					\

		      /* v20: Vector string range compare values.  */	\

		      "9:  .short 0xd800,0xe000,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \

		      /* v21: Vector string range compare control-bits.	\

			 element 0: =>; element 1: <  */		\

		      "    .short 0xa000,0x4000,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \

		      /* Found an element: ch >= 0xd800 && ch < 0xe000  */ \

		      "10: vlgvb %[R_TMP],%%v19,7\n\t"			\

		      "11: la %[R_IN],0(%[R_TMP],%[R_IN])\n\t"		\

		      "    sll %[R_TMP],1\n\t"				\

		      "    lgr %[R_TMP2],%[R_TMP]\n\t"			\

		      "    ahi %[R_TMP],-1\n\t"				\

		      "    jl 20f\n\t"					\

		      "    vstl %%v17,%[R_TMP],0(%[R_OUT])\n\t"		\

		      "    ahi %[R_TMP],-16\n\t"			\

		      "    jl 19f\n\t"					\

		      "    vstl %%v18,%[R_TMP],16(%[R_OUT])\n\t"	\

		      "19: la %[R_OUT],0(%[R_TMP2],%[R_OUT])\n\t"	\

		      "20: \n\t"					\

		      ".machine pop"					\

		      : /* outputs */ [R_OUT] "+a" (outptr)		\

			, [R_IN] "+a" (inptr)				\

			, [R_TMP] "=a" (tmp)				\

			, [R_TMP2] "=a" (tmp2)				\

			, [R_LEN] "+d" (len)				\

		      : /* inputs */					\

		      : /* clobber list*/ "memory", "cc"		\

			ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17")	\

			ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19")	\

			ASM_CLOBBER_VR ("v20") ASM_CLOBBER_VR ("v21")	\

		      );						\

    if (len > 0)							\

      {									\

	/* Found an invalid character at next input-char.  */		\

	BODY_ORIG_ERROR							\

      }									\

  }

# define LOOP_NEED_FLAGS

# include <iconv/loop.c>

# include <iconv/skeleton.c>

# undef BODY_ORIG

# undef BODY_ORIG_ERROR

ICONV_VX_IFUNC (__gconv_transform_ucs2_internal)

/* Convert from UCS2 in other endianness to the internal (UCS4-like) format. */

# define DEFINE_INIT		0

# define DEFINE_FINI		0

# define MIN_NEEDED_FROM	2

# define MIN_NEEDED_TO		4

# define FROM_DIRECTION		1

# define FROM_LOOP		ICONV_VX_NAME (ucs2reverse_internal_loop)

# define TO_LOOP		ICONV_VX_NAME (ucs2reverse_internal_loop) /* This is not used.*/

# define FUNCTION_NAME		ICONV_VX_NAME (__gconv_transform_ucs2reverse_internal)

# define ONE_DIRECTION		1

# define MIN_NEEDED_INPUT	MIN_NEEDED_FROM

# define MIN_NEEDED_OUTPUT	MIN_NEEDED_TO

# define LOOPFCT		FROM_LOOP

# define BODY_ORIG_ERROR						\