From a9b94d0dd9c112c922d84b6cd171a06a2bbff5ec Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Fri, 24 Aug 2012 13:21:55 +0000 Subject: Allow arg_pointer_rtx/frame_pointer_rtx for based_loc_descr gcc/ PR debug/52857 * dwarf2out.c (mem_loc_descriptor): Allow arg_pointer_rtx and frame_pointer_rtx for based_loc_descr. gcc/testsuite/ PR debug/52857 * gcc.target/i386/pr52857-1.c: New. * gcc.target/i386/pr52857-2.c: Likewise. From-SVN: r190647 --- gcc/ChangeLog | 6 ++++++ gcc/dwarf2out.c | 6 +++++- gcc/testsuite/ChangeLog | 6 ++++++ gcc/testsuite/gcc.target/i386/pr52857-1.c | 10 ++++++++++ gcc/testsuite/gcc.target/i386/pr52857-2.c | 8 ++++++++ 5 files changed, 35 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/i386/pr52857-1.c create mode 100644 gcc/testsuite/gcc.target/i386/pr52857-2.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c566f09..65cb993 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-08-24 H.J. Lu + + PR debug/52857 + * dwarf2out.c (mem_loc_descriptor): Allow arg_pointer_rtx and + frame_pointer_rtx for based_loc_descr. + 2012-08-24 Martin Jambor * predict.c (maybe_hot_frequency_p): New parameter fun. Use its decl diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 11d925b..4c268d4 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -11253,6 +11253,8 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode, case REG: if (GET_MODE_CLASS (mode) != MODE_INT || (GET_MODE_SIZE (mode) > DWARF2_ADDR_SIZE + && rtl != arg_pointer_rtx + && rtl != frame_pointer_rtx #ifdef POINTERS_EXTEND_UNSIGNED && (mode != Pmode || mem_mode == VOIDmode) #endif @@ -11525,7 +11527,9 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode, case PLUS: plus: if (is_based_loc (rtl) - && GET_MODE_SIZE (mode) <= DWARF2_ADDR_SIZE + && (GET_MODE_SIZE (mode) <= DWARF2_ADDR_SIZE + || XEXP (rtl, 0) == arg_pointer_rtx + || XEXP (rtl, 0) == frame_pointer_rtx) && GET_MODE_CLASS (mode) == MODE_INT) mem_loc_result = based_loc_descr (XEXP (rtl, 0), INTVAL (XEXP (rtl, 1)), diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3221d14..e217cd5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2012-08-24 H.J. Lu + + PR debug/52857 + * gcc.target/i386/pr52857-1.c: New. + * gcc.target/i386/pr52857-2.c: Likewise. + 2012-08-23 Richard Sandiford * gcc.target/mips/code-readable-4.c: New test. diff --git a/gcc/testsuite/gcc.target/i386/pr52857-1.c b/gcc/testsuite/gcc.target/i386/pr52857-1.c new file mode 100644 index 0000000..16fd78f --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr52857-1.c @@ -0,0 +1,10 @@ +/* { dg-do compile { target { ! { ia32 } } } } */ +/* { dg-options "-g -O -mx32 -maddress-mode=long" } */ + +extern void get_BID128 (int *); +void +__bid128_div (void) +{ + int res; + get_BID128 (&res); +} diff --git a/gcc/testsuite/gcc.target/i386/pr52857-2.c b/gcc/testsuite/gcc.target/i386/pr52857-2.c new file mode 100644 index 0000000..879240a --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr52857-2.c @@ -0,0 +1,8 @@ +/* { dg-do compile { target { ! { ia32 } } } } */ +/* { dg-options "-g -O -mx32 -maddress-mode=long" } */ + +void uw_init_context_1 (void *); +void _Unwind_ForcedUnwind (void) +{ + uw_init_context_1 (__builtin_dwarf_cfa ()); +} -- cgit v1.1