spill failure after IF-CASE-2 transformation
Henderson, Stuart
Stuart.Henderson@analog.com
Fri Feb 24 10:23:00 GMT 2012
>I think this is a fairly reasonable minimal fix. For 4.8 we could
>experiment whether to always do this, regardless of s_r_c_f_m_p.
>
>Ok if bootstrapped and tested on a primary target (i.e. linux) and
>tested on Blackfin.
>
>
>Bernd
Thanks again, Bernd.
Forwarding to gcc-patches to give people a couple of days to object.
Tested on linux and bfin.
Stu
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c
index 8d81c89..e4e13ab 100644
--- a/gcc/ifcvt.c
+++ b/gcc/ifcvt.c
@@ -2295,7 +2295,9 @@ noce_get_condition (rtx jump, rtx *earliest, bool then_else_reversed)
cond = XEXP (SET_SRC (set), 0);
tmp = XEXP (cond, 0);
- if (REG_P (tmp) && GET_MODE_CLASS (GET_MODE (tmp)) == MODE_INT)
+ if (REG_P (tmp) && GET_MODE_CLASS (GET_MODE (tmp)) == MODE_INT
+ && (GET_MODE (tmp) != BImode
+ || !targetm.small_register_classes_for_mode_p (BImode)))
{
*earliest = jump;
-------------- next part --------------
A non-text attachment was scrubbed...
Name: upstream2.patch
Type: application/octet-stream
Size: 530 bytes
Desc: upstream2.patch
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20120224/8cca6edf/attachment.obj>
More information about the Gcc-patches
mailing list