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| author | Ulrich Drepper <drepper@redhat.com> | 2000-06-06 22:58:45 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-06-06 22:58:45 +0000 |
| commit | ee4ce289076db8fec41bf651c9e10688eaa96154 (patch) | |
| tree | 5bbe393711f0892ea7e6a14e79235e1399e14169 /iconvdata/t.61.c | |
| parent | 1d280d9f1e4d4c889d8123663a81b49256cf6fd6 (diff) | |
| download | glibc-ee4ce289076db8fec41bf651c9e10688eaa96154.tar.gz glibc-ee4ce289076db8fec41bf651c9e10688eaa96154.tar.xz glibc-ee4ce289076db8fec41bf651c9e10688eaa96154.zip | |
Add __builtin_expect in many places.
Diffstat (limited to 'iconvdata/t.61.c')
| -rw-r--r-- | iconvdata/t.61.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/iconvdata/t.61.c b/iconvdata/t.61.c index 1623606496..766dd0fe97 100644 --- a/iconvdata/t.61.c +++ b/iconvdata/t.61.c @@ -382,14 +382,15 @@ static const char from_ucs4[][2] = #define BODY \ { \ uint32_t ch = *inptr; \ + int increment = 1; \ \ - if (ch >= 0xc1 && ch <= 0xcf) \ + if (__builtin_expect (ch, 0x20) >= 0xc1 && ch <= 0xcf) \ { \ /* Composed character. First test whether the next character \ is also available. */ \ uint32_t ch2; \ \ - if (NEED_LENGTH_TEST && inptr + 1 >= inend) \ + if (NEED_LENGTH_TEST && __builtin_expect (inptr + 1 >= inend, 0)) \ { \ /* The second character is not available. */ \ result = __GCONV_INCOMPLETE_INPUT; \ @@ -398,7 +399,8 @@ static const char from_ucs4[][2] = \ ch2 = inptr[1]; \ \ - if (ch2 < 0x20 || ch2 >= 0x80) \ + if (__builtin_expect (ch2, 0x20) < 0x20 \ + || __builtin_expect (ch2, 0x20) >= 0x80) \ { \ /* This is illegal. */ \ if (! ignore_errors_p ()) \ @@ -415,21 +417,17 @@ static const char from_ucs4[][2] = \ ch = to_ucs4_comb[ch - 0xc1][ch2 - 0x20]; \ \ - inptr += 2; \ + increment = 2; \ } \ else \ - { \ - ch = to_ucs4[ch]; \ - ++inptr; \ - } \ + ch = to_ucs4[ch]; \ \ - if (ch == 0 && *inptr != '\0') \ + if (__builtin_expect (ch, 1) == 0 && *inptr != '\0') \ { \ /* This is an illegal character. */ \ if (! ignore_errors_p ()) \ { \ /* This is an illegal character. */ \ - --inptr; \ result = __GCONV_ILLEGAL_INPUT; \ break; \ } \ @@ -441,6 +439,7 @@ static const char from_ucs4[][2] = put32 (outptr, ch); \ outptr += 4; \ } \ + inptr += increment; \ } #include <iconv/loop.c> @@ -456,13 +455,16 @@ static const char from_ucs4[][2] = uint32_t ch = get32 (inptr); \ const char *cp; \ \ - if (ch >= sizeof (from_ucs4) / sizeof (from_ucs4[0])) \ + if (__builtin_expect (ch, 0) \ + >= sizeof (from_ucs4) / sizeof (from_ucs4[0])) \ { \ - if (ch == 0x2126) \ + if (__builtin_expect (ch, 0) == 0x2126) \ cp = "\xe0"; \ - else if (ch == 0x2c7) \ + else if (__builtin_expect (ch, 0) == 0x2c7) \ cp = "\xcf\x20"; \ - else if (ch < 0x2d8 || ch > 0x2dd || ch == 0x02dc) \ + else if (__builtin_expect (ch, 0x2d8) < 0x2d8 \ + || __builtin_expect (ch, 0x2d8) > 0x2dd \ + || __builtin_expect (ch, 0x2d8) == 0x02dc) \ { \ /* Illegal characters. */ \ if (! ignore_errors_p ()) \ @@ -489,7 +491,7 @@ static const char from_ucs4[][2] = { \ cp = from_ucs4[ch]; \ \ - if (cp[0] == '\0' && ch != 0) \ + if (__builtin_expect (cp[0], '\1') == '\0' && ch != 0) \ { \ /* Illegal. */ \ if (! ignore_errors_p ()) \ @@ -509,7 +511,7 @@ static const char from_ucs4[][2] = /* Now test for a possible second byte and write this if possible. */ \ if (cp[1] != '\0') \ { \ - if (NEED_LENGTH_TEST && outptr >= outend) \ + if (NEED_LENGTH_TEST && __builtin_expect (outptr >= outend, 0)) \ { \ /* The result does not fit into the buffer. */ \ --outptr; \ |