From: Kyrylo Tkachov Date: Thu, 26 Nov 2015 09:58:28 +0000 (+0000) Subject: [calls.c] PR rtl-optimization/67226: Take into account pretend_args_size when checkin... X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b3877860a8dbefda221923faa57ba7f3c88ff4e9;p=gcc.git [calls.c] PR rtl-optimization/67226: Take into account pretend_args_size when checking stack offsets for sibcall optimisation 2015-11-26 Kyrylo Tkachov Bernd Schmidt PR rtl-optimization/67226 * calls.c (store_one_arg): Take into account crtl->args.pretend_args_size when checking for overlap between arg->value and argblock + arg->locate.offset during sibcall optimization. * gcc.c-torture/execute/pr67226.c: New test. Co-Authored-By: Bernd Schmidt From-SVN: r230929 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 56dd588c52e..58b789b81d9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2015-11-26 Kyrylo Tkachov + Bernd Schmidt + + PR rtl-optimization/67226 + * calls.c (store_one_arg): Take into account + crtl->args.pretend_args_size when checking for overlap between + arg->value and argblock + arg->locate.offset during sibcall + optimization. + 2015-11-26 Wilco Dijkstra * config/aarch64/aarch64.md (cbranch4): Use diff --git a/gcc/calls.c b/gcc/calls.c index b56556a9d0a..6cbe01970c1 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -4939,6 +4939,13 @@ store_one_arg (struct arg_data *arg, rtx argblock, int flags, if (XEXP (x, 0) != crtl->args.internal_arg_pointer) i = INTVAL (XEXP (XEXP (x, 0), 1)); + /* arg.locate doesn't contain the pretend_args_size offset, + it's part of argblock. Ensure we don't count it in I. */ + if (STACK_GROWS_DOWNWARD) + i -= crtl->args.pretend_args_size; + else + i += crtl->args.pretend_args_size; + /* expand_call should ensure this. */ gcc_assert (!arg->locate.offset.var && arg->locate.size.var == 0 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2e9f9623db8..a1466e398aa 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-11-26 Kyrylo Tkachov + + PR rtl-optimization/67226 + * gcc.c-torture/execute/pr67226.c: New test. + 2015-11-26 Jakub Jelinek PR c++/68508 diff --git a/gcc/testsuite/gcc.c-torture/execute/pr67226.c b/gcc/testsuite/gcc.c-torture/execute/pr67226.c new file mode 100644 index 00000000000..c533496cbc6 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr67226.c @@ -0,0 +1,42 @@ +struct assembly_operand +{ + int type, value, symtype, symflags, marker; +}; + +struct assembly_operand to_input, from_input; + +void __attribute__ ((__noinline__, __noclone__)) +assemblez_1 (int internal_number, struct assembly_operand o1) +{ + if (o1.type != from_input.type) + __builtin_abort (); +} + +void __attribute__ ((__noinline__, __noclone__)) +t0 (struct assembly_operand to, struct assembly_operand from) +{ + if (to.value == 0) + assemblez_1 (32, from); + else + __builtin_abort (); +} + +int +main (void) +{ + to_input.value = 0; + to_input.type = 1; + to_input.symtype = 2; + to_input.symflags = 3; + to_input.marker = 4; + + from_input.value = 5; + from_input.type = 6; + from_input.symtype = 7; + from_input.symflags = 8; + from_input.marker = 9; + + t0 (to_input, from_input); + + return 0; +}