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stor-layout.c (compute_record_mode): Relax restriction on fields crossing word boundaries forcing BLKmode. 

* stor-layout.c (compute_record_mode): Relax restriction
	on fields crossing word boundaries forcing BLKmode.

From-SVN: r66463
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Richard Kenner 2003-05-04 22:04:51 +00:00 committed by Richard Kenner
parent 1fecc2668c
commit ad26fb41b4
2 changed files with 9 additions and 2 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-05-04 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* stor-layout.c (compute_record_mode): Relax restriction
on fields crossing word boundaries forcing BLKmode.
2003-05-04 Neil Booth <neil@daikokuya.co.uk>
* cppinit.c (cpp_create_reader, post_options): Warn about

6
gcc/stor-layout.c
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@ -1387,8 +1387,10 @@ compute_record_mode (type)
if (bitpos / BITS_PER_WORD
!= ((tree_low_cst (DECL_SIZE (field), 1) + bitpos - 1)
/ BITS_PER_WORD)
/* But there is no problem if the field is entire words. */
&& tree_low_cst (DECL_SIZE (field), 1) % BITS_PER_WORD != 0)
/* But there is no problem if the field is entire words
or bigger than a word. */
&& ! (tree_low_cst (DECL_SIZE (field), 1) % BITS_PER_WORD == 0
|| compare_tree_int (DECL_SIZE (field), BITS_PER_WORD) > 0))
return;
/* If this field is the whole struct, remember its mode so