OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add comment provided by Jim Wilson.

Browse Source 
From-SVN: r22560
This commit is contained in:
Nick Clifton 1998-09-23 16:24:09 +00:00 committed by Nick Clifton
parent 80db34d85b
commit f916eeb6db
2 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
gcc/ChangeLog
View File

@ -1,3 +1,7 @@
Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
* expmed.c (extract_bit_field): Add comment from Jim Wilson.
Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
* alpha.c (get_aligned_mem): Revert Sep 20 change.

4
gcc/expmed.c
View File

@ -983,6 +983,10 @@ extract_bit_field (str_rtx, bitsize, bitnum, unsignedp,
&& ((bitsize >= BITS_PER_WORD && bitsize == GET_MODE_BITSIZE (mode)
&& bitpos % BITS_PER_WORD == 0)
|| (mode_for_size (bitsize, GET_MODE_CLASS (tmode), 0) != BLKmode
/* ??? The big endian test here is wrong. This is correct
if the value is in a register, and if mode_for_size is not
the same mode as op0. This causes us to get unnecessarily
inefficient code from the Thumb port when -mbig-endian. */
&& (BYTES_BIG_ENDIAN
? bitpos + bitsize == BITS_PER_WORD
: bitpos == 0))))