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S/390: Disallow SImode in s390_decompose_address

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After Y is never used anymore with SImode operands we can finally
disallow SImode (if != Pmode) in s390_decompose_address.  In fact that
was the whole point of the patch series.

gcc/ChangeLog:

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_decompose_address): Don't accept SImode
	anymore.

From-SVN: r233849
This commit is contained in:
Andreas Krebbel 2016-03-01 09:27:10 +00:00 committed by Andreas Krebbel
parent 708c0910a8
commit c64181a8c8
2 changed files with 7 additions and 6 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* config/s390/s390.c (s390_decompose_address): Don't accept SImode
anymore.
2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* config/s390/constraints.md ("jm8"): New constraint.

8
gcc/config/s390/s390.c
View File

@ -2817,9 +2817,7 @@ s390_decompose_address (rtx addr, struct s390_address *out)
return false;
}
if (!REG_P (base)
|| (GET_MODE (base) != SImode
&& GET_MODE (base) != Pmode))
if (!REG_P (base) || GET_MODE (base) != Pmode)
return false;
if (REGNO (base) == STACK_POINTER_REGNUM
@ -2865,9 +2863,7 @@ s390_decompose_address (rtx addr, struct s390_address *out)
return false;
}
if (!REG_P (indx)
|| (GET_MODE (indx) != SImode
&& GET_MODE (indx) != Pmode))
if (!REG_P (indx) || GET_MODE (indx) != Pmode)
return false;
if (REGNO (indx) == STACK_POINTER_REGNUM