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nios2.c (nios2_legitimize_address): When handling 'reg + reloc' cases... 

2015-09-22  Chung-Lin Tang  <cltang@codesourcery.com>

	* config/nios2/nios2.c (nios2_legitimize_address): When handling
	'reg + reloc' cases, allow first operand to be non-REG, and use
	force_reg() to enforce address pattern.

From-SVN: r228012
This commit is contained in:
Chung-Lin Tang 2015-09-22 12:19:27 +00:00 committed by Chung-Lin Tang
parent 01c102a6de
commit b062ae0549
2 changed files with 8 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2015-09-22 Chung-Lin Tang <cltang@codesourcery.com>
* config/nios2/nios2.c (nios2_legitimize_address): When handling
'reg + reloc' cases, allow first operand to be non-REG, and use
force_reg() to enforce address pattern.
2015-09-22 Alexander Fomin <alexander.fomin@intel.com> 2015-09-22 Alexander Fomin <alexander.fomin@intel.com>
PR target/67480 PR target/67480

4
gcc/config/nios2/nios2.c
View File

@ -2265,15 +2265,15 @@ nios2_legitimize_address (rtx x, rtx oldx ATTRIBUTE_UNUSED,
Which will be output as '%tls_le(var+48)(r23)' in assembly. */ Which will be output as '%tls_le(var+48)(r23)' in assembly. */
if (GET_CODE (x) == PLUS if (GET_CODE (x) == PLUS
&& GET_CODE (XEXP (x, 0)) == REG
&& GET_CODE (XEXP (x, 1)) == CONST) && GET_CODE (XEXP (x, 1)) == CONST)
{ {
rtx unspec, offset, reg = XEXP (x, 0); rtx unspec, offset;
split_const (XEXP (x, 1), &unspec, &offset); split_const (XEXP (x, 1), &unspec, &offset);
if (GET_CODE (unspec) == UNSPEC if (GET_CODE (unspec) == UNSPEC
&& !nios2_large_offset_p (XINT (unspec, 1)) && !nios2_large_offset_p (XINT (unspec, 1))
&& offset != const0_rtx) && offset != const0_rtx)
{ {
rtx reg = force_reg (Pmode, XEXP (x, 0));
unspec = copy_rtx (unspec); unspec = copy_rtx (unspec);
XVECEXP (unspec, 0, 0) XVECEXP (unspec, 0, 0)
= plus_constant (Pmode, XVECEXP (unspec, 0, 0), INTVAL (offset)); = plus_constant (Pmode, XVECEXP (unspec, 0, 0), INTVAL (offset));