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authorshinwell <shinwell@138bc75d-0d04-0410-961f-82ee72b054a4>2006-12-08 16:37:42 +0000
committershinwell <shinwell@138bc75d-0d04-0410-961f-82ee72b054a4>2006-12-08 16:37:42 +0000
commitcad2a6b5acaa2395e8c1e340962b46240c394d46 (patch)
treecb12e5af227339490abf2dd166a38d46008b2ef1 /gcc/recog.c
parentbdf50f60c87f10d85bac33dc808043425a825db4 (diff)
downloadgcc-cad2a6b5acaa2395e8c1e340962b46240c394d46.tar.gz
gcc/
* recog.c (mode_dependent_address_p): Identify pre-increment, pre-decrement, post-increment and post-decrement addressing as always being mode-dependent. * config/m32c/m32c.c (m32c_mode_dependent_address): Delete. * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete. * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC, PRE_INC and POST_INC checks. * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC, PRE_INC, POST_DEC and POST_INC cases. * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p): Delete POST_INC and PRE_DEC cases. * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete PRE_INC and PRE_DEC cases. * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete. (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. * config/vax/vax.c (vax_mode_dependent_address_p): Delete auto-increment cases. * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete auto-increment cases. * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op. gcc/testsuite/ * gcc.c-torture/execute/mode-dependent-address.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119660 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/recog.c')
-rw-r--r--gcc/recog.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/recog.c b/gcc/recog.c
index 18ad72f2d4e..a7dc869e7ee 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -1983,8 +1983,17 @@ offsettable_address_p (int strictp, enum machine_mode mode, rtx y)
because the amount of the increment depends on the mode. */
int
-mode_dependent_address_p (rtx addr ATTRIBUTE_UNUSED /* Maybe used in GO_IF_MODE_DEPENDENT_ADDRESS. */)
-{
+mode_dependent_address_p (rtx addr)
+{
+ /* Auto-increment addressing with anything other than post_modify
+ or pre_modify always introduces a mode dependency. Catch such
+ cases now instead of deferring to the target. */
+ if (GET_CODE (addr) == PRE_INC
+ || GET_CODE (addr) == POST_INC
+ || GET_CODE (addr) == PRE_DEC
+ || GET_CODE (addr) == POST_DEC)
+ return 1;
+
GO_IF_MODE_DEPENDENT_ADDRESS (addr, win);
return 0;
/* Label `win' might (not) be used via GO_IF_MODE_DEPENDENT_ADDRESS. */