#include <dl-procinfo.h>
#include <gconv.h>
+#if defined HAVE_S390_VX_GCC_SUPPORT
+# define ASM_CLOBBER_VR(NR) , NR
+#else
+# define ASM_CLOBBER_VR(NR)
+#endif
+
/* UTF-32 big endian byte order mark. */
#define BOM_UTF32 0x0000feffu
/* UTF-16 big endian byte order mark. */
-#define BOM_UTF16 0xfeff
+#define BOM_UTF16 0xfeff
#define DEFINE_INIT 0
#define DEFINE_FINI 0
#define MIN_NEEDED_FROM 2
#define MAX_NEEDED_FROM 4
#define MIN_NEEDED_TO 4
-#define FROM_LOOP from_utf16_loop
-#define TO_LOOP to_utf16_loop
+#define FROM_LOOP __from_utf16_loop
+#define TO_LOOP __to_utf16_loop
#define FROM_DIRECTION (dir == from_utf16)
#define ONE_DIRECTION 0
-#define PREPARE_LOOP \
- enum direction dir = ((struct utf16_data *) step->__data)->dir; \
- int emit_bom = ((struct utf16_data *) step->__data)->emit_bom; \
- \
- if (emit_bom && !data->__internal_use \
- && data->__invocation_counter == 0) \
- { \
- if (dir == to_utf16) \
- { \
- /* Emit the UTF-16 Byte Order Mark. */ \
- if (__glibc_unlikely (outbuf + 2 > outend)) \
- return __GCONV_FULL_OUTPUT; \
- \
- put16u (outbuf, BOM_UTF16); \
- outbuf += 2; \
- } \
- else \
- { \
- /* Emit the UTF-32 Byte Order Mark. */ \
- if (__glibc_unlikely (outbuf + 4 > outend)) \
- return __GCONV_FULL_OUTPUT; \
- \
- put32u (outbuf, BOM_UTF32); \
- outbuf += 4; \
- } \
- }
/* Direction of the transformation. */
enum direction
register unsigned long long outlen __asm__("11") = outend - outptr; \
uint64_t cc = 0; \
\
- __asm__ volatile (".machine push \n\t" \
- ".machine \"z9-109\" \n\t" \
- "0: " INSTRUCTION " \n\t" \
- ".machine pop \n\t" \
- " jo 0b \n\t" \
- " ipm %2 \n" \
- : "+a" (pOutput), "+a" (pInput), "+d" (cc), \
- "+d" (outlen), "+d" (inlen) \
- : \
- : "cc", "memory"); \
+ __asm__ __volatile__ (".machine push \n\t" \
+ ".machine \"z9-109\" \n\t" \
+ "0: " INSTRUCTION " \n\t" \
+ ".machine pop \n\t" \
+ " jo 0b \n\t" \
+ " ipm %2 \n" \
+ : "+a" (pOutput), "+a" (pInput), "+d" (cc), \
+ "+d" (outlen), "+d" (inlen) \
+ : \
+ : "cc", "memory"); \
\
inptr = pInput; \
outptr = pOutput; \
if (cc == 1) \
{ \
result = __GCONV_FULL_OUTPUT; \
- break; \
} \
else if (cc == 2) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
- break; \
} \
}
+#define PREPARE_LOOP \
+ enum direction dir = ((struct utf16_data *) step->__data)->dir; \
+ int emit_bom = ((struct utf16_data *) step->__data)->emit_bom; \
+ \
+ if (emit_bom && !data->__internal_use \
+ && data->__invocation_counter == 0) \
+ { \
+ if (dir == to_utf16) \
+ { \
+ /* Emit the UTF-16 Byte Order Mark. */ \
+ if (__glibc_unlikely (outbuf + 2 > outend)) \
+ return __GCONV_FULL_OUTPUT; \
+ \
+ put16u (outbuf, BOM_UTF16); \
+ outbuf += 2; \
+ } \
+ else \
+ { \
+ /* Emit the UTF-32 Byte Order Mark. */ \
+ if (__glibc_unlikely (outbuf + 4 > outend)) \
+ return __GCONV_FULL_OUTPUT; \
+ \
+ put32u (outbuf, BOM_UTF32); \
+ outbuf += 4; \
+ } \
+ }
+
/* Conversion function from UTF-16 to UTF-32 internal/BE. */
-#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
-#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
-#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
-#define LOOPFCT FROM_LOOP
/* The software routine is copied from utf-16.c (minus bytes
swapping). */
-#define BODY \
+#define BODY_FROM_C \
{ \
- /* The hardware instruction currently fails to report an error for \
- isolated low surrogates so we have to disable the instruction \
- until this gets resolved. */ \
- if (0) /* (GLRO (dl_hwcap) & HWCAP_S390_ETF3EH) */ \
- { \
- HARDWARE_CONVERT ("cu24 %0, %1, 1"); \
- if (inptr != inend) \
- { \
- /* Check if the third byte is \
- a valid start of a UTF-16 surrogate. */ \
- if (inend - inptr == 3 && (inptr[3] & 0xfc) != 0xdc) \
- STANDARD_FROM_LOOP_ERR_HANDLER (3); \
- \
- result = __GCONV_INCOMPLETE_INPUT; \
- break; \
- } \
- continue; \
- } \
- \
uint16_t u1 = get16 (inptr); \
\
if (__builtin_expect (u1 < 0xd800, 1) || u1 > 0xdfff) \
} \
else \
{ \
- /* An isolated low-surrogate was found. This has to be \
+ /* An isolated low-surrogate was found. This has to be \
considered ill-formed. */ \
- if (__glibc_unlikely (u1 >= 0xdc00)) \
+ if (__glibc_unlikely (u1 >= 0xdc00)) \
{ \
STANDARD_FROM_LOOP_ERR_HANDLER (2); \
} \
/* It's a surrogate character. At least the first word says \
it is. */ \
- if (__glibc_unlikely (inptr + 4 > inend)) \
+ if (__glibc_unlikely (inptr + 4 > inend)) \
{ \
/* We don't have enough input for another complete input \
character. */ \
} \
outptr += 4; \
}
-#define LOOP_NEED_FLAGS
-#include <iconv/loop.c>
+
+#define BODY_FROM_VX \
+ { \
+ size_t inlen = inend - inptr; \
+ size_t outlen = outend - outptr; \
+ unsigned long tmp, tmp2, tmp3; \
+ asm volatile (".machine push\n\t" \
+ ".machine \"z13\"\n\t" \
+ ".machinemode \"zarch_nohighgprs\"\n\t" \
+ /* Setup to check for surrogates. */ \
+ " larl %[R_TMP],9f\n\t" \
+ " vlm %%v30,%%v31,0(%[R_TMP])\n\t" \
+ /* Loop which handles UTF-16 chars <0xd800, >0xdfff. */ \
+ "0: clgijl %[R_INLEN],16,2f\n\t" \
+ " clgijl %[R_OUTLEN],32,2f\n\t" \
+ "1: vl %%v16,0(%[R_IN])\n\t" \
+ /* Check for surrogate chars. */ \
+ " vstrchs %%v19,%%v16,%%v30,%%v31\n\t" \
+ " jno 10f\n\t" \
+ /* Enlarge to UTF-32. */ \
+ " vuplhh %%v17,%%v16\n\t" \
+ " la %[R_IN],16(%[R_IN])\n\t" \
+ " vupllh %%v18,%%v16\n\t" \
+ " aghi %[R_INLEN],-16\n\t" \
+ /* Store 32 bytes to buf_out. */ \
+ " vstm %%v17,%%v18,0(%[R_OUT])\n\t" \
+ " aghi %[R_OUTLEN],-32\n\t" \
+ " la %[R_OUT],32(%[R_OUT])\n\t" \
+ " clgijl %[R_INLEN],16,2f\n\t" \
+ " clgijl %[R_OUTLEN],32,2f\n\t" \
+ " j 1b\n\t" \
+ /* Setup to check for ch >= 0xd800 && ch <= 0xdfff. (v30, v31) */ \
+ "9: .short 0xd800,0xdfff,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \
+ " .short 0xa000,0xc000,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \
+ /* At least on uint16_t is in range of surrogates. \
+ Store the preceding chars. */ \
+ "10: vlgvb %[R_TMP],%%v19,7\n\t" \
+ " vuplhh %%v17,%%v16\n\t" \
+ " sllg %[R_TMP3],%[R_TMP],1\n\t" /* Number of out bytes. */ \
+ " ahik %[R_TMP2],%[R_TMP3],-1\n\t" /* Highest index to store. */ \
+ " jl 12f\n\t" \
+ " vstl %%v17,%[R_TMP2],0(%[R_OUT])\n\t" \
+ " vupllh %%v18,%%v16\n\t" \
+ " ahi %[R_TMP2],-16\n\t" \
+ " jl 11f\n\t" \
+ " vstl %%v18,%[R_TMP2],16(%[R_OUT])\n\t" \
+ "11: \n\t" /* Update pointers. */ \
+ " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \
+ " slgr %[R_INLEN],%[R_TMP]\n\t" \
+ " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \
+ " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \
+ /* Calculate remaining uint16_t values in loaded vrs. */ \
+ "12: lghi %[R_TMP2],16\n\t" \
+ " sgr %[R_TMP2],%[R_TMP]\n\t" \
+ " srl %[R_TMP2],1\n\t" \
+ " llh %[R_TMP],0(%[R_IN])\n\t" \
+ " aghi %[R_OUTLEN],-4\n\t" \
+ " j 16f\n\t" \
+ /* Handle remaining bytes. */ \
+ "2: \n\t" \
+ /* Zero, one or more bytes available? */ \
+ " clgfi %[R_INLEN],1\n\t" \
+ " je 97f\n\t" /* Only one byte available. */ \
+ " jl 99f\n\t" /* End if no bytes available. */ \
+ /* Calculate remaining uint16_t values in inptr. */ \
+ " srlg %[R_TMP2],%[R_INLEN],1\n\t" \
+ /* Handle remaining uint16_t values. */ \
+ "13: llh %[R_TMP],0(%[R_IN])\n\t" \
+ " slgfi %[R_OUTLEN],4\n\t" \
+ " jl 96f \n\t" \
+ " clfi %[R_TMP],0xd800\n\t" \
+ " jhe 15f\n\t" \
+ "14: st %[R_TMP],0(%[R_OUT])\n\t" \
+ " la %[R_IN],2(%[R_IN])\n\t" \
+ " aghi %[R_INLEN],-2\n\t" \
+ " la %[R_OUT],4(%[R_OUT])\n\t" \
+ " brctg %[R_TMP2],13b\n\t" \
+ " j 0b\n\t" /* Switch to vx-loop. */ \
+ /* Handle UTF-16 surrogate pair. */ \
+ "15: clfi %[R_TMP],0xdfff\n\t" \
+ " jh 14b\n\t" /* Jump away if ch > 0xdfff. */ \
+ "16: clfi %[R_TMP],0xdc00\n\t" \
+ " jhe 98f\n\t" /* Jump away in case of low-surrogate. */ \
+ " slgfi %[R_INLEN],4\n\t" \
+ " jl 97f\n\t" /* Big enough input? */ \
+ " llh %[R_TMP3],2(%[R_IN])\n\t" /* Load low surrogate. */ \
+ " slfi %[R_TMP],0xd7c0\n\t" \
+ " sll %[R_TMP],10\n\t" \
+ " risbgn %[R_TMP],%[R_TMP3],54,63,0\n\t" /* Insert klmnopqrst. */ \
+ " nilf %[R_TMP3],0xfc00\n\t" \
+ " clfi %[R_TMP3],0xdc00\n\t" /* Check if it starts with 0xdc00. */ \
+ " jne 98f\n\t" \
+ " st %[R_TMP],0(%[R_OUT])\n\t" \
+ " la %[R_IN],4(%[R_IN])\n\t" \
+ " la %[R_OUT],4(%[R_OUT])\n\t" \
+ " aghi %[R_TMP2],-2\n\t" \
+ " jh 13b\n\t" /* Handle remaining uint16_t values. */ \
+ " j 0b\n\t" /* Switch to vx-loop. */ \
+ "96: \n\t" /* Return full output. */ \
+ " lghi %[R_RES],%[RES_OUT_FULL]\n\t" \
+ " j 99f\n\t" \
+ "97: \n\t" /* Return incomplete input. */ \
+ " lghi %[R_RES],%[RES_IN_FULL]\n\t" \
+ " j 99f\n\t" \
+ "98:\n\t" /* Return Illegal character. */ \
+ " lghi %[R_RES],%[RES_IN_ILL]\n\t" \
+ "99:\n\t" \
+ ".machine pop" \
+ : /* outputs */ [R_IN] "+a" (inptr) \
+ , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (outptr) \
+ , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \
+ , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \
+ , [R_RES] "+d" (result) \
+ : /* inputs */ \
+ [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \
+ , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \
+ , [RES_IN_FULL] "i" (__GCONV_INCOMPLETE_INPUT) \
+ : /* clobber list */ "memory", "cc" \
+ ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \
+ ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \
+ ASM_CLOBBER_VR ("v30") ASM_CLOBBER_VR ("v31") \
+ ); \
+ if (__glibc_likely (inptr == inend) \
+ || result != __GCONV_ILLEGAL_INPUT) \
+ break; \
+ \
+ STANDARD_FROM_LOOP_ERR_HANDLER (2); \
+ }
+
+
+/* Generate loop-function with software routing. */
+#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
+#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
+#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
+#if defined HAVE_S390_VX_ASM_SUPPORT
+# define LOOPFCT __from_utf16_loop_c
+# define LOOP_NEED_FLAGS
+# define BODY BODY_FROM_C
+# include <iconv/loop.c>
+
+/* Generate loop-function with hardware vector instructions. */
+# define MIN_NEEDED_INPUT MIN_NEEDED_FROM
+# define MAX_NEEDED_INPUT MAX_NEEDED_FROM
+# define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
+# define LOOPFCT __from_utf16_loop_vx
+# define LOOP_NEED_FLAGS
+# define BODY BODY_FROM_VX
+# include <iconv/loop.c>
+
+/* Generate ifunc'ed loop function. */
+__typeof(__from_utf16_loop_c)
+__attribute__ ((ifunc ("__from_utf16_loop_resolver")))
+__from_utf16_loop;
+
+static void *
+__from_utf16_loop_resolver (unsigned long int dl_hwcap)
+{
+ if (dl_hwcap & HWCAP_S390_VX)
+ return __from_utf16_loop_vx;
+ else
+ return __from_utf16_loop_c;
+}
+
+strong_alias (__from_utf16_loop_c_single, __from_utf16_loop_single)
+#else
+# define LOOPFCT FROM_LOOP
+# define LOOP_NEED_FLAGS
+# define BODY BODY_FROM_C
+# include <iconv/loop.c>
+#endif
/* Conversion from UTF-32 internal/BE to UTF-16. */
-#define MIN_NEEDED_INPUT MIN_NEEDED_TO
-#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
-#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
-#define LOOPFCT TO_LOOP
/* The software routine is copied from utf-16.c (minus bytes
swapping). */
-#define BODY \
+#define BODY_TO_C \
{ \
- if (GLRO (dl_hwcap) & HWCAP_S390_ETF3EH) \
- { \
- HARDWARE_CONVERT ("cu42 %0, %1"); \
- \
- if (inptr != inend) \
- { \
- result = __GCONV_INCOMPLETE_INPUT; \
- break; \
- } \
- continue; \
- } \
- \
uint32_t c = get32 (inptr); \
\
if (__builtin_expect (c <= 0xd7ff, 1) \
|| (c >=0xdc00 && c <= 0xffff)) \
{ \
- /* Two UTF-16 chars. */ \
- put16 (outptr, c); \
+ /* Two UTF-16 chars. */ \
+ put16 (outptr, c); \
} \
else if (__builtin_expect (c >= 0x10000, 1) \
&& __builtin_expect (c <= 0x10ffff, 1)) \
{ \
/* Four UTF-16 chars. */ \
- uint16_t zabcd = ((c & 0x1f0000) >> 16) - 1; \
+ uint16_t zabcd = ((c & 0x1f0000) >> 16) - 1; \
uint16_t out; \
\
/* Generate a surrogate character. */ \
- if (__glibc_unlikely (outptr + 4 > outend)) \
+ if (__glibc_unlikely (outptr + 4 > outend)) \
{ \
/* Overflow in the output buffer. */ \
result = __GCONV_FULL_OUTPUT; \
} \
else \
{ \
- STANDARD_TO_LOOP_ERR_HANDLER (4); \
+ STANDARD_TO_LOOP_ERR_HANDLER (4); \
} \
outptr += 2; \
inptr += 4; \
}
+
+#define BODY_TO_ETF3EH \
+ { \
+ HARDWARE_CONVERT ("cu42 %0, %1"); \
+ \
+ if (__glibc_likely (inptr == inend) \
+ || result == __GCONV_FULL_OUTPUT) \
+ break; \
+ \
+ if (inptr + 4 > inend) \
+ { \
+ result = __GCONV_INCOMPLETE_INPUT; \
+ break; \
+ } \
+ \
+ STANDARD_TO_LOOP_ERR_HANDLER (4); \
+ }
+
+#define BODY_TO_VX \
+ { \
+ register const unsigned char* pInput asm ("8") = inptr; \
+ register size_t inlen asm ("9") = inend - inptr; \
+ register unsigned char* pOutput asm ("10") = outptr; \
+ register size_t outlen asm("11") = outend - outptr; \
+ unsigned long tmp, tmp2, tmp3; \
+ asm volatile (".machine push\n\t" \
+ ".machine \"z13\"\n\t" \
+ ".machinemode \"zarch_nohighgprs\"\n\t" \
+ /* Setup to check for surrogates. */ \
+ " larl %[R_TMP],9f\n\t" \
+ " vlm %%v30,%%v31,0(%[R_TMP])\n\t" \
+ /* Loop which handles UTF-16 chars \
+ ch < 0xd800 || (ch > 0xdfff && ch < 0x10000). */ \
+ "0: clgijl %[R_INLEN],32,20f\n\t" \
+ " clgijl %[R_OUTLEN],16,20f\n\t" \
+ "1: vlm %%v16,%%v17,0(%[R_IN])\n\t" \
+ " lghi %[R_TMP2],0\n\t" \
+ /* Shorten to UTF-16. */ \
+ " vpkf %%v18,%%v16,%%v17\n\t" \
+ /* Check for surrogate chars. */ \
+ " vstrcfs %%v19,%%v16,%%v30,%%v31\n\t" \
+ " jno 10f\n\t" \
+ " vstrcfs %%v19,%%v17,%%v30,%%v31\n\t" \
+ " jno 11f\n\t" \
+ /* Store 16 bytes to buf_out. */ \
+ " vst %%v18,0(%[R_OUT])\n\t" \
+ " la %[R_IN],32(%[R_IN])\n\t" \
+ " aghi %[R_INLEN],-32\n\t" \
+ " aghi %[R_OUTLEN],-16\n\t" \
+ " la %[R_OUT],16(%[R_OUT])\n\t" \
+ " clgijl %[R_INLEN],32,20f\n\t" \
+ " clgijl %[R_OUTLEN],16,20f\n\t" \
+ " j 1b\n\t" \
+ /* Setup to check for ch >= 0xd800 && ch <= 0xdfff \
+ and check for ch >= 0x10000. (v30, v31) */ \
+ "9: .long 0xd800,0xdfff,0x10000,0x10000\n\t" \
+ " .long 0xa0000000,0xc0000000, 0xa0000000,0xa0000000\n\t" \
+ /* At least on UTF32 char is in range of surrogates. \
+ Store the preceding characters. */ \
+ "11: ahi %[R_TMP2],16\n\t" \
+ "10: vlgvb %[R_TMP],%%v19,7\n\t" \
+ " agr %[R_TMP],%[R_TMP2]\n\t" \
+ " srlg %[R_TMP3],%[R_TMP],1\n\t" /* Number of out bytes. */ \
+ " ahik %[R_TMP2],%[R_TMP3],-1\n\t" /* Highest index to store. */ \
+ " jl 20f\n\t" \
+ " vstl %%v18,%[R_TMP2],0(%[R_OUT])\n\t" \
+ /* Update pointers. */ \
+ " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \
+ " slgr %[R_INLEN],%[R_TMP]\n\t" \
+ " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \
+ " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \
+ /* Handles UTF16 surrogates with convert instruction. */ \
+ "20: cu42 %[R_OUT],%[R_IN]\n\t" \
+ " jo 0b\n\t" /* Try vector implemenation again. */ \
+ " lochil %[R_RES],%[RES_OUT_FULL]\n\t" /* cc == 1. */ \
+ " lochih %[R_RES],%[RES_IN_ILL]\n\t" /* cc == 2. */ \
+ ".machine pop" \
+ : /* outputs */ [R_IN] "+a" (pInput) \
+ , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (pOutput) \
+ , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \
+ , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \
+ , [R_RES] "+d" (result) \
+ : /* inputs */ \
+ [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \
+ , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \
+ , [RES_IN_FULL] "i" (__GCONV_INCOMPLETE_INPUT) \
+ : /* clobber list */ "memory", "cc" \
+ ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \
+ ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \
+ ASM_CLOBBER_VR ("v30") ASM_CLOBBER_VR ("v31") \
+ ); \
+ inptr = pInput; \
+ outptr = pOutput; \
+ \
+ if (__glibc_likely (inptr == inend) \
+ || result == __GCONV_FULL_OUTPUT) \
+ break; \
+ if (inptr + 4 > inend) \
+ { \
+ result = __GCONV_INCOMPLETE_INPUT; \
+ break; \
+ } \
+ STANDARD_TO_LOOP_ERR_HANDLER (4); \
+ }
+
+/* Generate loop-function with software routing. */
+#define MIN_NEEDED_INPUT MIN_NEEDED_TO
+#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
+#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
+#define LOOPFCT __to_utf16_loop_c
+#define LOOP_NEED_FLAGS
+#define BODY BODY_TO_C
+#include <iconv/loop.c>
+
+/* Generate loop-function with hardware utf-convert instruction. */
+#define MIN_NEEDED_INPUT MIN_NEEDED_TO
+#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
+#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
+#define LOOPFCT __to_utf16_loop_etf3eh
#define LOOP_NEED_FLAGS
+#define BODY BODY_TO_ETF3EH
#include <iconv/loop.c>
+#if defined HAVE_S390_VX_ASM_SUPPORT
+/* Generate loop-function with hardware vector instructions. */
+# define MIN_NEEDED_INPUT MIN_NEEDED_TO
+# define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
+# define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
+# define LOOPFCT __to_utf16_loop_vx
+# define LOOP_NEED_FLAGS
+# define BODY BODY_TO_VX
+# include <iconv/loop.c>
+#endif
+
+/* Generate ifunc'ed loop function. */
+__typeof(__to_utf16_loop_c)
+__attribute__ ((ifunc ("__to_utf16_loop_resolver")))
+__to_utf16_loop;
+
+static void *
+__to_utf16_loop_resolver (unsigned long int dl_hwcap)
+{
+#if defined HAVE_S390_VX_ASM_SUPPORT
+ if (dl_hwcap & HWCAP_S390_VX)
+ return __to_utf16_loop_vx;
+ else
+#endif
+ if (dl_hwcap & HWCAP_S390_ETF3EH)
+ return __to_utf16_loop_etf3eh;
+ else
+ return __to_utf16_loop_c;
+}
+
+strong_alias (__to_utf16_loop_c_single, __to_utf16_loop_single)
+
+
#include <iconv/skeleton.c>
projects / thirdparty / glibc.git / commitdiff
