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Code Issues Releases Activity

* syntax.c (skip_chars): Likewise.

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This commit is contained in:
Paul Eggert 2011-04-09 15:51:22 -07:00
parent 3ab1c7ce32
commit 1e69125eae
2 changed files with 7 additions and 4 deletions
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1
src/ChangeLog
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@ -5,6 +5,7 @@
* chartab.c (sub_char_table_set_range, char_table_set_range): Likewise. * chartab.c (sub_char_table_set_range, char_table_set_range): Likewise.
* casetab.c (set_identity, shuffle): Likewise. * casetab.c (set_identity, shuffle): Likewise.
* editfns.c (Fformat): Likewise. * editfns.c (Fformat): Likewise.
* syntax.c (skip_chars): Likewise.
* xmenu.c (set_frame_menubar): Allocate smaller local vectors. * xmenu.c (set_frame_menubar): Allocate smaller local vectors.
This also lets GCC 4.6.0 generate slightly better loop code. This also lets GCC 4.6.0 generate slightly better loop code.

10
src/syntax.c
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@ -1541,7 +1541,8 @@ skip_chars (int forwardp, Lisp_Object string, Lisp_Object lim, int handle_iso_cl
if (c <= c2) if (c <= c2)
{ {
while (c <= c2) unsigned lim2 = c2 + 1;
while (c < lim2)
fastmap[c++] = 1; fastmap[c++] = 1;
if (! ASCII_CHAR_P (c2)) if (! ASCII_CHAR_P (c2))
string_has_eight_bit = 1; string_has_eight_bit = 1;
@ -1681,7 +1682,8 @@ skip_chars (int forwardp, Lisp_Object string, Lisp_Object lim, int handle_iso_cl
} }
if (! ASCII_CHAR_P (c)) if (! ASCII_CHAR_P (c))
{ {
while (leading_code <= leading_code2) unsigned lim2 = leading_code2 + 1;
while (leading_code < lim2)
fastmap[leading_code++] = 1; fastmap[leading_code++] = 1;
if (c <= c2) if (c <= c2)
{ {
@ -1713,9 +1715,9 @@ skip_chars (int forwardp, Lisp_Object string, Lisp_Object lim, int handle_iso_cl
for (i = 0; i < n_char_ranges; i += 2) for (i = 0; i < n_char_ranges; i += 2)
{ {
int c1 = char_ranges[i]; int c1 = char_ranges[i];
int c2 = char_ranges[i + 1]; unsigned lim2 = char_ranges[i + 1] + 1;
for (; c1 <= c2; c1++) for (; c1 < lim2; c1++)
{ {
int b = CHAR_TO_BYTE_SAFE (c1); int b = CHAR_TO_BYTE_SAFE (c1);
if (b >= 0) if (b >= 0)