@@ -42,3 +42,7 @@ sysdep_routines += wcslen wcslen-vx wcslen-c \
wmemset wmemset-vx wmemset-c \
wmemcmp wmemcmp-vx wmemcmp-c
endif
+
+ifeq ($(subdir),iconv)
+sysdep_routines += gconv_simple
+endif
new file mode 100644
@@ -0,0 +1,1266 @@
+/* Simple transformations functions - s390 version.
+ Copyright (C) 2016 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
+# define ICONV_VX_IFUNC(FUNC) \
+ extern __typeof (ICONV_C_NAME (FUNC)) __##FUNC; \
+ s390_vx_libc_ifunc (__##FUNC) \
+ int FUNC (struct __gconv_step *step, struct __gconv_step_data *data, \
+ const unsigned char **inptrp, const unsigned char *inend, \
+ unsigned char **outbufstart, size_t *irreversible, \
+ int do_flush, int consume_incomplete) \
+ { \
+ return __##FUNC (step, data, inptrp, inend,outbufstart, \
+ irreversible, do_flush, consume_incomplete); \
+ }
+# 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 \
+ /* Surrogate characters in UCS-2 input are not valid. Reject \
+ them. (Catching this here is not security relevant.) */ \
+ if (! ignore_errors_p ()) \
+ { \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ inptr += 2; \
+ ++*irreversible; \
+ continue;
+
+# define BODY_ORIG \
+ { \
+ uint16_t u1 = bswap_16 (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,%%v22,0(%[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" \
+ "vperm %%v16,%%v16,%%v16,%%v22\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" \
+ "vperm %%v16,%%v16,%%v16,%%v22\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" \
+ /* v22: Vector permute mask. */ \
+ ".short 0x0100,0x0302,0x0504,0x0706\n\t" \
+ ".short 0x0908,0x0b0a,0x0d0c,0x0f0e\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") \
+ ASM_CLOBBER_VR ("v22") \
+ ); \
+ 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_ucs2reverse_internal)
+
+/* Convert from the internal (UCS4-like) format to UCS2. */
+#define DEFINE_INIT 0
+#define DEFINE_FINI 0
+#define MIN_NEEDED_FROM 4
+#define MIN_NEEDED_TO 2
+#define FROM_DIRECTION 1
+#define FROM_LOOP ICONV_VX_NAME (internal_ucs2_loop)
+#define TO_LOOP ICONV_VX_NAME (internal_ucs2_loop) /* This is not used. */
+#define FUNCTION_NAME ICONV_VX_NAME (__gconv_transform_internal_ucs2)
+#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 \
+ { \
+ uint32_t val = *((const uint32_t *) inptr); \
+ \
+ if (__glibc_unlikely (val >= 0x10000)) \
+ { \
+ UNICODE_TAG_HANDLER (val, 4); \
+ STANDARD_TO_LOOP_ERR_HANDLER (4); \
+ } \
+ else if (__glibc_unlikely (val >= 0xd800 && val < 0xe000)) \
+ { \
+ /* Surrogate characters in UCS-4 input are not valid. \
+ We must catch this, because the UCS-2 output might be \
+ interpreted as UTF-16 by other programs. If we let \
+ surrogates pass through, attackers could make a security \
+ hole exploit by synthesizing any desired plane 1-16 \
+ character. */ \
+ result = __GCONV_ILLEGAL_INPUT; \
+ if (! ignore_errors_p ()) \
+ break; \
+ inptr += 4; \
+ ++*irreversible; \
+ continue; \
+ } \
+ else \
+ { \
+ put16 (outptr, val); \
+ outptr += sizeof (uint16_t); \
+ inptr += 4; \
+ } \
+ }
+# define BODY \
+ { \
+ if (__builtin_expect (inend - inptr < 32, 1) \
+ || outend - outptr < 16) \
+ /* Convert remaining bytes with c code. */ \
+ BODY_ORIG \
+ else \
+ { \
+ /* Convert in 32 byte blocks. */ \
+ size_t loop_count = (inend - inptr) / 32; \
+ size_t tmp, tmp2; \
+ if (loop_count > (outend - outptr) / 16) \
+ loop_count = (outend - outptr) / 16; \
+ __asm__ volatile (".machine push\n\t" \
+ ".machine \"z13\"\n\t" \
+ ".machinemode \"zarch_nohighgprs\"\n\t" \
+ CONVERT_32BIT_SIZE_T ([R_LI]) \
+ "larl %[R_I],3f\n\t" \
+ "vlm %%v20,%%v23,0(%[R_I])\n\t" \
+ "0:\n\t" \
+ "vlm %%v16,%%v17,0(%[R_IN])\n\t" \
+ /* Shorten UCS4 to UCS2. */ \
+ "vpkf %%v18,%%v16,%%v17\n\t" \
+ "vstrcfs %%v19,%%v16,%%v20,%%v21\n\t" \
+ "jno 11f\n\t" \
+ "1: vstrcfs %%v19,%%v17,%%v20,%%v21\n\t" \
+ "jno 10f\n\t" \
+ /* Store 16bytes to buf_out. */ \
+ "2: vst %%v18,0(%[R_OUT])\n\t" \
+ "la %[R_IN],32(%[R_IN])\n\t" \
+ "la %[R_OUT],16(%[R_OUT])\n\t" \
+ "brctg %[R_LI],0b\n\t" \
+ "j 20f\n\t" \
+ /* Setup to check for ch >= 0xd800. (v20, v21) */ \
+ "3: .long 0xd800,0xd800,0x0,0x0\n\t" \
+ ".long 0xa0000000,0xa0000000,0x0,0x0\n\t" \
+ /* Setup to check for ch >= 0xe000 \
+ && ch < 0x10000. (v22,v23) */ \
+ ".long 0xe000,0x10000,0x0,0x0\n\t" \
+ ".long 0xa0000000,0x40000000,0x0,0x0\n\t" \
+ /* v16 contains only valid chars. Check in v17: \
+ ch >= 0xe000 && ch <= 0xffff. */ \
+ "10: vstrcfs %%v19,%%v17,%%v22,%%v23,8\n\t" \
+ "jo 2b\n\t" /* All ch's in this range, proceed. */ \
+ "lhi %[R_TMP],16\n\t" \
+ "j 12f\n\t" \
+ /* Maybe v16 contains invalid chars. \
+ Check ch >= 0xe000 && ch <= 0xffff. */ \
+ "11: vstrcfs %%v19,%%v16,%%v22,%%v23,8\n\t" \
+ "jo 1b\n\t" /* All ch's in this range, proceed. */ \
+ "lhi %[R_TMP],0\n\t" \
+ "12: vlgvb %[R_I],%%v19,7\n\t" \
+ "agr %[R_I],%[R_TMP]\n\t" \
+ "la %[R_IN],0(%[R_I],%[R_IN])\n\t" \
+ "srl %[R_I],1\n\t" \
+ "ahi %[R_I],-1\n\t" \
+ "jl 20f\n\t" \
+ "vstl %%v18,%[R_I],0(%[R_OUT])\n\t" \
+ "la %[R_OUT],1(%[R_I],%[R_OUT])\n\t" \
+ "20:\n\t" \
+ ".machine pop" \
+ : /* outputs */ [R_OUT] "+a" (outptr) \
+ , [R_IN] "+a" (inptr) \
+ , [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") \
+ ); \
+ if (loop_count > 0) \
+ { \
+ /* Found an invalid character at next character. */ \
+ BODY_ORIG \
+ } \
+ } \
+ }
+#define LOOP_NEED_FLAGS
+#include <iconv/loop.c>
+#include <iconv/skeleton.c>
+# undef BODY_ORIG
+ICONV_VX_IFUNC (__gconv_transform_internal_ucs2)
+
+/* Convert from the internal (UCS4-like) format to UCS2 in other endianness. */
+#define DEFINE_INIT 0
+#define DEFINE_FINI 0
+#define MIN_NEEDED_FROM 4
+#define MIN_NEEDED_TO 2
+#define FROM_DIRECTION 1
+#define FROM_LOOP ICONV_VX_NAME (internal_ucs2reverse_loop)
+#define TO_LOOP ICONV_VX_NAME (internal_ucs2reverse_loop)/* This is not used.*/
+#define FUNCTION_NAME ICONV_VX_NAME (__gconv_transform_internal_ucs2reverse)
+#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 \
+ { \
+ uint32_t val = *((const uint32_t *) inptr); \
+ if (__glibc_unlikely (val >= 0x10000)) \
+ { \
+ UNICODE_TAG_HANDLER (val, 4); \
+ STANDARD_TO_LOOP_ERR_HANDLER (4); \
+ } \
+ else if (__glibc_unlikely (val >= 0xd800 && val < 0xe000)) \
+ { \
+ /* Surrogate characters in UCS-4 input are not valid. \
+ We must catch this, because the UCS-2 output might be \
+ interpreted as UTF-16 by other programs. If we let \
+ surrogates pass through, attackers could make a security \
+ hole exploit by synthesizing any desired plane 1-16 \
+ character. */ \
+ if (! ignore_errors_p ()) \
+ { \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ inptr += 4; \
+ ++*irreversible; \
+ continue; \
+ } \
+ else \
+ { \
+ put16 (outptr, bswap_16 (val)); \
+ outptr += sizeof (uint16_t); \
+ inptr += 4; \
+ } \
+ }
+# define BODY \
+ { \
+ if (__builtin_expect (inend - inptr < 32, 1) \
+ || outend - outptr < 16) \
+ /* Convert remaining bytes with c code. */ \
+ BODY_ORIG \
+ else \
+ { \
+ /* Convert in 32 byte blocks. */ \
+ size_t loop_count = (inend - inptr) / 32; \
+ size_t tmp, tmp2; \
+ if (loop_count > (outend - outptr) / 16) \
+ loop_count = (outend - outptr) / 16; \
+ __asm__ volatile (".machine push\n\t" \
+ ".machine \"z13\"\n\t" \
+ ".machinemode \"zarch_nohighgprs\"\n\t" \
+ CONVERT_32BIT_SIZE_T ([R_LI]) \
+ "larl %[R_I],3f\n\t" \
+ "vlm %%v20,%%v24,0(%[R_I])\n\t" \
+ "0:\n\t" \
+ "vlm %%v16,%%v17,0(%[R_IN])\n\t" \
+ /* Shorten UCS4 to UCS2 and byteswap. */ \
+ "vpkf %%v18,%%v16,%%v17\n\t" \
+ "vperm %%v18,%%v18,%%v18,%%v24\n\t" \
+ "vstrcfs %%v19,%%v16,%%v20,%%v21\n\t" \
+ "jno 11f\n\t" \
+ "1: vstrcfs %%v19,%%v17,%%v20,%%v21\n\t" \
+ "jno 10f\n\t" \
+ /* Store 16bytes to buf_out. */ \
+ "2: vst %%v18,0(%[R_OUT])\n\t" \
+ "la %[R_IN],32(%[R_IN])\n\t" \
+ "la %[R_OUT],16(%[R_OUT])\n\t" \
+ "brctg %[R_LI],0b\n\t" \
+ "j 20f\n\t" \
+ /* Setup to check for ch >= 0xd800. (v20, v21) */ \
+ "3: .long 0xd800,0xd800,0x0,0x0\n\t" \
+ ".long 0xa0000000,0xa0000000,0x0,0x0\n\t" \
+ /* Setup to check for ch >= 0xe000 \
+ && ch < 0x10000. (v22,v23) */ \
+ ".long 0xe000,0x10000,0x0,0x0\n\t" \
+ ".long 0xa0000000,0x40000000,0x0,0x0\n\t" \
+ /* Vector permute mask (v24) */ \
+ ".short 0x0100,0x0302,0x0504,0x0706\n\t" \
+ ".short 0x0908,0x0b0a,0x0d0c,0x0f0e\n\t" \
+ /* v16 contains only valid chars. Check in v17: \
+ ch >= 0xe000 && ch <= 0xffff. */ \
+ "10: vstrcfs %%v19,%%v17,%%v22,%%v23,8\n\t" \
+ "jo 2b\n\t" /* All ch's in this range, proceed. */ \
+ "lhi %[R_TMP],16\n\t" \
+ "j 12f\n\t" \
+ /* Maybe v16 contains invalid chars. \
+ Check ch >= 0xe000 && ch <= 0xffff. */ \
+ "11: vstrcfs %%v19,%%v16,%%v22,%%v23,8\n\t" \
+ "jo 1b\n\t" /* All ch's in this range, proceed. */ \
+ "lhi %[R_TMP],0\n\t" \
+ "12: vlgvb %[R_I],%%v19,7\n\t" \
+ "agr %[R_I],%[R_TMP]\n\t" \
+ "la %[R_IN],0(%[R_I],%[R_IN])\n\t" \
+ "srl %[R_I],1\n\t" \
+ "ahi %[R_I],-1\n\t" \
+ "jl 20f\n\t" \
+ "vstl %%v18,%[R_I],0(%[R_OUT])\n\t" \
+ "la %[R_OUT],1(%[R_I],%[R_OUT])\n\t" \
+ "20:\n\t" \
+ ".machine pop" \
+ : /* outputs */ [R_OUT] "+a" (outptr) \
+ , [R_IN] "+a" (inptr) \
+ , [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 (loop_count > 0) \
+ { \
+ /* Found an invalid character at next character. */ \
+ BODY_ORIG \
+ } \
+ } \
+ }
+#define LOOP_NEED_FLAGS
+#include <iconv/loop.c>
+#include <iconv/skeleton.c>
+# undef BODY_ORIG
+ICONV_VX_IFUNC (__gconv_transform_internal_ucs2reverse)
+
+
+#else
+/* Generate the internal transformations without ifunc if build environment
+ lacks vector support. Instead simply include the common version. */
+# include <iconv/gconv_simple.c>
+#endif /* !defined HAVE_S390_VX_ASM_SUPPORT */