From faa003343e09656a6b0174c00305073823f2fd0c Mon Sep 17 00:00:00 2001 From: Alexandre Oliva Date: Thu, 23 Dec 2004 16:09:01 +0000 Subject: re PR target/16819 (ICE with empty struct as arg) gcc/ChangeLog: PR target/16819 * calls.c (load_register_parameters): Don't call use_regs when nregs is zero. gcc/testsuite/ChangeLog: PR target/16891 * gcc.dg/empty2.c: New. From-SVN: r92551 --- gcc/ChangeLog | 6 ++++++ gcc/calls.c | 4 ++-- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/empty2.c | 15 +++++++++++++++ 4 files changed, 28 insertions(+), 2 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/empty2.c (limited to 'gcc') diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e593949..10de8a5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-12-23 Alexandre Oliva + + PR target/16819 + * calls.c (load_register_parameters): Don't call use_regs when + nregs is zero. + 2004-12-23 Eric Botcazou PR middle-end/17746 diff --git a/gcc/calls.c b/gcc/calls.c index 3c4d13e..946e5bd 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -1554,8 +1554,8 @@ load_register_parameters (struct arg_data *args, int num_actuals, use_group_regs (call_fusage, reg); else if (nregs == -1) use_reg (call_fusage, reg); - else - use_regs (call_fusage, REGNO (reg), nregs == 0 ? 1 : nregs); + else if (nregs > 0) + use_regs (call_fusage, REGNO (reg), nregs); } } } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index dd249f3..45620fd 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2004-12-23 Alexandre Oliva + + PR target/16891 + * gcc.dg/empty2.c: New. + 2004-12-23 Richard Henderson * lib/target-supports.exp (check_effective_target_vect_no_align): diff --git a/gcc/testsuite/gcc.dg/empty2.c b/gcc/testsuite/gcc.dg/empty2.c new file mode 100644 index 0000000..7b91fb2 --- /dev/null +++ b/gcc/testsuite/gcc.dg/empty2.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ + +double d=0; + +struct A {} a; + +void foo(struct A x) +{ + d=0; +} + +void bar() +{ + if (d) foo(a); +} -- cgit v1.1