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bfin.c (bfin_expand_strmov): Correctly move the trailing bytes when align is 2.

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* config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
	bytes when align is 2.
	* config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
	by the first instruction of the loop.

From-SVN: r106790
This commit is contained in:
Jie Zhang 2005-11-11 17:58:31 +00:00 committed by Jie Zhang
parent 47b266bdfe
commit 51a641fdb2
3 changed files with 14 additions and 7 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2005-11-11 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
bytes when align is 2.
* config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
by the first instruction of the loop.
2005-11-11 Jason Merrill <jason@redhat.com>
PR c++/24686

10
gcc/config/bfin/bfin.c
View File

@ -2475,6 +2475,11 @@ bfin_expand_strmov (rtx dst, rtx src, rtx count_exp, rtx align_exp)
emit_insn (gen_rep_movsi (destreg, srcreg, countreg, destreg, srcreg));
}
if (count & 2)
{
single_move_for_strmov (dst, src, HImode, offset);
offset += 2;
}
}
else
{
@ -2491,11 +2496,6 @@ bfin_expand_strmov (rtx dst, rtx src, rtx count_exp, rtx align_exp)
emit_insn (gen_rep_movhi (destreg, srcreg, countreg, destreg, srcreg));
}
}
if (count & 2)
{
single_move_for_strmov (dst, src, HImode, offset);
offset += 2;
}
if (count & 1)
{
single_move_for_strmov (dst, src, QImode, offset);

4
gcc/config/bfin/bfin.md
View File

@ -1458,7 +1458,7 @@
(use (match_dup 2))
(clobber (match_scratch:HI 5 "=&d"))]
""
"lsetup (1f, 1f) LC1 = %2; %5 = [%4++]; 1: MNOP || [%3++] = %5 || %5 = [%4++]; [%3++] = %5;"
"%5 = [%4++]; lsetup (1f, 1f) LC1 = %2; 1: MNOP || [%3++] = %5 || %5 = [%4++]; [%3++] = %5;"
[(set_attr "type" "misc")
(set_attr "length" "16")])
@ -1477,7 +1477,7 @@
(use (match_dup 2))
(clobber (match_scratch:HI 5 "=&d"))]
""
"lsetup (1f, 1f) LC1 = %2; %h5 = W[%4++]; 1: MNOP || W [%3++] = %5 || %h5 = W [%4++]; W [%3++] = %5;"
"%h5 = W[%4++]; lsetup (1f, 1f) LC1 = %2; 1: MNOP || W [%3++] = %5 || %h5 = W [%4++]; W [%3++] = %5;"
[(set_attr "type" "misc")
(set_attr "length" "16")])