From e59baa1f83fd053979c637f12f89cdf04d1d5ed5 Mon Sep 17 00:00:00 2001 From: Olivier Hainque Date: Sat, 19 Apr 2003 00:11:57 +0200 Subject: [PATCH] integrate.c (expand_inline_function): Ensure non-const actuals don't end up const in the caller's flow after... * integrate.c (expand_inline_function): Ensure non-const actuals don't end up const in the caller's flow after conversion to possibly const formal type. From-SVN: r65794 --- gcc/ChangeLog | 6 ++++++ gcc/integrate.c | 8 ++++++++ 2 files changed, 14 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b21d8125d3e..0a9d5e23e10 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2003-04-18 Olivier Hainque + + * integrate.c (expand_inline_function): Ensure non-const actuals + don't end up const in the caller's flow after conversion to possibly + const formal type. + 2003-04-18 Vincent Celier * dwarf2out.c (loc_descriptor_from_tree): Treat all *_MOD_EXPR diff --git a/gcc/integrate.c b/gcc/integrate.c index 7a1865881c6..60fa2acd13a 100644 --- a/gcc/integrate.c +++ b/gcc/integrate.c @@ -810,6 +810,14 @@ expand_inline_function (fndecl, parms, target, ignore, type, else arg_vals[i] = 0; + /* If the formal type was const but the actual was not, we might + end up here with an rtx wrongly tagged unchanging in the caller's + context. Fix that. */ + if (arg_vals[i] != 0 + && (GET_CODE (arg_vals[i]) == REG || GET_CODE (arg_vals[i]) == MEM) + && ! TREE_READONLY (TREE_VALUE (actual))) + RTX_UNCHANGING_P (arg_vals[i]) = 0; + if (arg_vals[i] != 0 && (! TREE_READONLY (formal) /* If the parameter is not read-only, copy our argument through -- 2.30.2