Sorry, hit wrong button.
The attached patch fixes gcc bootstrap on hppa-hpux. Revision r254585 changed
the handling of
scaled-index addresses. We weren't checking the base operand to ensure that
the REG_POINTER
flag was set prior to load. As a result, we accepted invalid base register
operands.
The attached change fixes this problem.
Dave
--
John David Anglin dave.ang...@bell.net
2017-12-03 John David Anglin <dang...@gcc.gnu.org>
* config/pa/pa.c (pa_legitimate_address_p): For scaled indexing,
require base operand is a REG_POINTER prior to reload on targets
with non-equivalent space registers.
Index: config/pa/pa.c
===================================================================
--- config/pa/pa.c (revision 254585)
+++ config/pa/pa.c (working copy)
@@ -10544,9 +10544,16 @@
if (!TARGET_DISABLE_INDEXING
&& GET_CODE (index) == MULT
- && MODE_OK_FOR_SCALED_INDEXING_P (mode)
+ /* Only accept base operands with the REG_POINTER flag prior to
+ reload on targets with non-equivalent space registers. */
+ && (TARGET_NO_SPACE_REGS
+ || (base == XEXP (x, 1)
+ && (reload_completed
+ || (reload_in_progress && HARD_REGISTER_P (base))
+ || REG_POINTER (base))))
&& REG_P (XEXP (index, 0))
&& GET_MODE (XEXP (index, 0)) == Pmode
+ && MODE_OK_FOR_SCALED_INDEXING_P (mode)
&& (strict ? STRICT_REG_OK_FOR_INDEX_P (XEXP (index, 0))
: REG_OK_FOR_INDEX_P (XEXP (index, 0)))
&& GET_CODE (XEXP (index, 1)) == CONST_INT
