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rs6000.md (extzvsi_internal2): Revert most of 2002-07-26 change.

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* config/rs6000/rs6000.md (extzvsi_internal2): Revert most of
	2002-07-26 change.  Comment.

From-SVN: r56867
This commit is contained in:
Alan Modra 2002-09-05 22:48:53 +00:00 • committed by Alan Modra
parent e2cbee7fd1
commit bc401279d9
2 changed files with 10 additions and 7 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-09-06 Alan Modra <amodra@bigpond.net.au>
* config/rs6000/rs6000.md (extzvsi_internal2): Revert most of
2002-07-26 change. Comment.
2002-09-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* frv.c (frv_unique_section, frv_select_section,

12
gcc/config/rs6000/rs6000.md
View file

@ -3880,14 +3880,12 @@
if (which_alternative == 1)
return \"#\";
if ((start > 0 && start + size <= 16) || start >= 16)
/* Since we are using the output value, we can't ignore any need for
a shift. The bitfield must end at the LSB. */
if (start >= 16 && start + size == 32)
{
operands[3] = GEN_INT (((1 << (16 - (start & 15)))
- (1 << (16 - (start & 15) - size))));
if (start < 16)
return \"{andiu.|andis.} %0,%1,%3\";
else
return \"{andil.|andi.} %0,%1,%3\";
operands[3] = GEN_INT ((1 << size) - 1);
return \"{andil.|andi.} %0,%1,%3\";
}
if (start + size >= 32)