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iconv: Remove _STRING_ARCH_unaligned usage for get/set macros

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And use a packed structure instead.  The compiler generates optimized
unaligned code if the architecture supports it.

Checked on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
This commit is contained in:
Adhemerval Zanella
2023-02-10 14:09:10 -03:00
parent 62d4c768a4
commit 5729e0e9af
10 changed files with 42 additions and 154 deletions
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6
iconvdata/unicode.c
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@@ -51,10 +51,10 @@
return (inptr == inend \
? __GCONV_EMPTY_INPUT : __GCONV_INCOMPLETE_INPUT); \
\
if (get16u (inptr) == BOM) \
if (get16 (inptr) == BOM) \
/* Simply ignore the BOM character. */ \
*inptrp = inptr += 2; \
else if (get16u (inptr) == BOM_OE) \
else if (get16 (inptr) == BOM_OE) \
{ \
data->__flags |= __GCONV_SWAP; \
*inptrp = inptr += 2; \
@@ -67,7 +67,7 @@
if (__glibc_unlikely (outbuf + 2 > outend)) \
return __GCONV_FULL_OUTPUT; \
\
put16u (outbuf, BOM); \
put16 (outbuf, BOM); \
outbuf += 2; \
} \
swap = data->__flags & __GCONV_SWAP;