From 2b9d5ad7df2f309a7835e7023d794afe492edfa2 Mon Sep 17 00:00:00 2001 From: Alexandre Oliva Date: Fri, 6 Jul 2012 11:37:36 +0000 Subject: re PR debug/53820 (ICE in vt_expand_var_loc_chain, at var-tracking.c:8029) PR debug/53820 * var-tracking.c (vt_add_function_parameter): Convert internal_arg_pointer into arg_pointer-based address even without DRAP. From-SVN: r189326 --- gcc/var-tracking.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) (limited to 'gcc/var-tracking.c') diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c index 66ce35a..5288c28 100644 --- a/gcc/var-tracking.c +++ b/gcc/var-tracking.c @@ -9327,14 +9327,11 @@ vt_add_function_parameter (tree parm) if (GET_MODE (decl_rtl) == BLKmode || GET_MODE (incoming) == BLKmode) return; - /* If there is a DRAP register, rewrite the incoming location of parameters - passed on the stack into MEMs based on the argument pointer, as the DRAP - register can be reused for other purposes and we do not track locations - based on generic registers. But the prerequisite is that this argument - pointer be also the virtual CFA pointer, see vt_initialize. */ + /* If there is a DRAP register or a pseudo in internal_arg_pointer, + rewrite the incoming location of parameters passed on the stack + into MEMs based on the argument pointer, so that incoming doesn't + depend on a pseudo. */ if (MEM_P (incoming) - && stack_realign_drap - && arg_pointer_rtx == cfa_base_rtx && (XEXP (incoming, 0) == crtl->args.internal_arg_pointer || (GET_CODE (XEXP (incoming, 0)) == PLUS && XEXP (XEXP (incoming, 0), 0) -- cgit v1.1