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re PR middle-end/37286 (gfortran, trunk: ICE subst_stack_regs_pat, at reg-stack.c:1537) 

	PR middle-end/37286
	* reg-stack.c (subst_stack_regs_pat) [MINUS, DIV, MULT, PLUS]:
	Initialize uninitialized input registers with a NaN.

testsuite/ChangeLog:

	PR middle-end/37286
	* gfortran.dg/pr37286.f90: New test.

From-SVN: r141603
parent 8e66def0
Showing with 134 additions and 50 deletions
gcc/ChangeLog
2008-11-05 Uros Bizjak <ubizjak@gmail.com>
PR middle-end/37286
* reg-stack.c (subst_stack_regs_pat) [MINUS, DIV, MULT, PLUS]:
Initialize uninitialized input registers with a NaN.
2008-11-05 Tobias Grosser <grosser@fim.uni-passau.de>
PR middle-end/37833
......@@ -38,7 +44,7 @@
2008-11-03 Mikael Pettersson <mikpe@it.uu.se>
PR target/37989
PR target/37989
* config/i386/mingw32.h (REAL_LIBGCC_SPEC): Only add libgcc_s.a
or libgcc_eh.a to spec if ENABLE_SHARED_LIBGCC.
......@@ -47,7 +53,7 @@
* config/mips.c (mips_conditional_register_usage): Handle the
DSP control register.
* doc/extend.texi: Document the DSP control register.
2008-11-03 Steve Ellcey <sje@cup.hp.com>
Jakub Jelinek <jakub@redhat.com>
......@@ -404,16 +410,14 @@
2008-10-27 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/37813
* ira-conflicts.c (process_regs_for_copy): Remove class subset
check.
* ira-conflicts.c (process_regs_for_copy): Remove class subset check.
* ira-int.h (ira_hard_regno_cover_class): New.
* ira-lives.c (mark_reg_live, mark_reg_dead,
process_bb_node_lives): Use ira_hard_regno_cover_class.
* ira.c (reg_class ira_hard_regno_cover_class): New global
variable.
* ira.c (reg_class ira_hard_regno_cover_class): New global variable.
(setup_hard_regno_cover_class): New function.
(ira_init): Call setup_hard_regno_cover_class.
......@@ -431,8 +435,8 @@
2008-10-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR middle-end/37316
* pa.c (function_arg_padding): Pad complex and vector types upward in
64-bit runtime.
* pa.c (function_arg_padding): Pad complex and vector types
upward in 64-bit runtime.
(function_arg): Use BLKmode for PARALLEL in 64-bit runtime.
2008-10-26 Matthias Klose <doko@ubuntu.com>
......@@ -453,8 +457,7 @@
* doc/tm.texi (FUNCTION_ARG_OFFSET): Document new macro.
* config/spu/spu.h (FUNCTION_ARG_OFFSET): New macro to move char
and short arguments to the correct location as mandated by the
ABI.
and short arguments to the correct location as mandated by the ABI.
2008-10-24 Kaz Kojima <kkojima@gcc.gnu.org>
......@@ -500,8 +503,7 @@
check_p_tool, check_p_vars, check_p_subno, check_p_comma,
check_p_subwork, check_p_numbers, check_p_subdir, check_p_subdirs):
New variables.
(check-subtargets, check-%-subtargets, check-parallel-%): New
targets.
(check-subtargets, check-%-subtargets, check-parallel-%): New targets.
(check-%): For test targets listed in lang_checks_parallelized
if -j is used and RUNTESTFLAGS doesn't specify tests to execute,
run the testing in multiple make goals, possibly parallel, and
......@@ -740,8 +742,7 @@
2008-10-15 Jan Hubicka <jh@suse.cz>
* ira-emit.c (change_regs): Return false when replacing reg by
itself.
* ira-emit.c (change_regs): Return false when replacing reg by itself.
2008-10-14 Vladimir Makarov <vmakarov@redhat.com>
......@@ -942,8 +943,8 @@
Define new target hooks.
(TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK.
(ia64_optimization_options): Turn on selective scheduling with -O3,
disable -fauto-inc-dec. Set mflag_sched_control_spec to true by default
with selective scheduling.
disable -fauto-inc-dec. Set mflag_sched_control_spec to true by
default with selective scheduling.
(ia64_override_options): Initialize align_loops and align_functions
to 32 and 64, respectively. Set global selective scheduling flags
according to target-dependent flags.
......@@ -1005,8 +1006,8 @@
(final_emit_insn_group_barriers): Emit stop bits before insns starting
a new cycle.
(sel2_run): New variable.
(ia64_reorg): When flag_selective_scheduling2 is set, run the selective
scheduling pass instead of schedule_ebbs.
(ia64_reorg): When flag_selective_scheduling2 is set, run the
selective scheduling pass instead of schedule_ebbs.
* config/ia64/ia64.md (speculable1, speculable2): New attributes.
(UNSPEC_LDS_A): New UNSPEC.
......@@ -1077,8 +1078,8 @@
* config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Define.
* config/rs6000/rs6000.md
Replace cc_reg_not_cr0_operand with cc_reg_not_micro_cr0_operand if
the instruction would have been microcoded on the Cell. Set cell_micro
to always on unnamed patterns for the string instructions.
the instruction would have been microcoded on the Cell. Set
cell_micro to always on unnamed patterns for the string instructions.
(cell_micro): Update definition, remove load/store conditional
microcoded.
(sign_extend:DI): Define new pattern for non microcoded version.
......@@ -1380,8 +1381,8 @@
* pa.md (call, call_value): Generate an rtx for register r4 and pass
it to PIC call patterns.
(call_symref_pic): Revise pattern to expose PIC register save. Remove
code generation and attributes from pattern. Change peephole2 to split
for noreturn case. Revise split pattern for non noreturn case.
code generation and attributes from pattern. Change peephole2 to
split for noreturn case. Revise split pattern for non noreturn case.
(call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
* pa.c (attr_length_call): Simplify extraction of call rtx. Add some
......@@ -1507,8 +1508,8 @@
* tree.h (get_object_alignment): Declare.
* emit-rtl.c (set_mem_attributes_minus_bitpos): Call
get_object_alignment if needed.
* builtins.c (get_pointer_alignment): Move ADDR_EXPR operand handling
to ...
* builtins.c (get_pointer_alignment): Move ADDR_EXPR operand
handling to ...
(get_object_alignment): ... here. New function. Try harder to
determine alignment from get_inner_reference returned offset.
......
gcc/reg-stack.c
......@@ -1527,15 +1527,30 @@ subst_stack_regs_pat (rtx insn, stack regstack, rtx pat)
else
{
/* Both operands are REG. If neither operand is already
at the top of stack, choose to make the one that is the dest
the new top of stack. */
at the top of stack, choose to make the one that is the
dest the new top of stack. */
int src1_hard_regnum, src2_hard_regnum;
src1_hard_regnum = get_hard_regnum (regstack, *src1);
src2_hard_regnum = get_hard_regnum (regstack, *src2);
gcc_assert (src1_hard_regnum != -1);
gcc_assert (src2_hard_regnum != -1);
/* If the source is not live, this is yet another case of
uninitialized variables. Load up a NaN instead. */
if (src1_hard_regnum == -1)
{
rtx pat2 = gen_rtx_CLOBBER (VOIDmode, *src1);
rtx insn2 = emit_insn_before (pat2, insn);
control_flow_insn_deleted
|= move_nan_for_stack_reg (insn2, regstack, *src1);
}
if (src2_hard_regnum == -1)
{
rtx pat2 = gen_rtx_CLOBBER (VOIDmode, *src2);
rtx insn2 = emit_insn_before (pat2, insn);
control_flow_insn_deleted
|= move_nan_for_stack_reg (insn2, regstack, *src2);
}
if (src1_hard_regnum != FIRST_STACK_REG
&& src2_hard_regnum != FIRST_STACK_REG)
......
gcc/testsuite/ChangeLog
2008-11-05 Uros Bizjak <ubizjak@gmail.com>
PR middle-end/37286
* gfortran.dg/pr37286.f90: New test.
2008-11-04 Paul Thomas <pault@gcc.gnu.org>
PR fortran/37597
* gfortran.dg/host_assoc_call_5.f90: New test.
PR fortran/37597
* gfortran.dg/host_assoc_call_5.f90: New test.
2008-11-04 Jakub Jelinek <jakub@redhat.com>
Andrew Pinski <andrew_pinski@playstation.sony.com>
......@@ -274,22 +279,22 @@
* gcc.target/bfin/hisilh-O0.c: New file.
From Mike Frysinger <michael.frysinger@analog.com>
* gcc.target/bfin/mcpu-bf522.c: Check SILICON_REVISION is 0x0002. Invert
check for __WORKAROUND_RETS when SILICON_REVISION is 0x0002+.
* gcc.target/bfin/mcpu-bf522.c: Check SILICON_REVISION is 0x0002.
Invert check for __WORKAROUND_RETS when SILICON_REVISION is 0x0002+.
* gcc.target/bfin/mcpu-bf523.c: Likewise.
* gcc.target/bfin/mcpu-bf524.c: Likewise.
* gcc.target/bfin/mcpu-bf525.c: Likewise.
* gcc.target/bfin/mcpu-bf526.c: Likewise.
* gcc.target/bfin/mcpu-bf527.c: Likewise.
* gcc.target/bfin/mcpu-bf531.c: Check SILICON_REVISION is 0x0006. Invert
check for __WORKAROUND_RETS when SILICON_REVISION is 0x0006+.
* gcc.target/bfin/mcpu-bf531.c: Check SILICON_REVISION is 0x0006.
Invert check for __WORKAROUND_RETS when SILICON_REVISION is 0x0006+.
* gcc.target/bfin/mcpu-bf532.c: Likewise.
* gcc.target/bfin/mcpu-bf533.c: Likewise.
* gcc.target/bfin/mcpu-bf538.c: Check SILICON_REVISION is 0x0005. Invert
check for __WORKAROUND_RETS when SILICON_REVISION is 0x0005+.
* gcc.target/bfin/mcpu-bf538.c: Check SILICON_REVISION is 0x0005.
Invert check for __WORKAROUND_RETS when SILICON_REVISION is 0x0005+.
* gcc.target/bfin/mcpu-bf539.c: Likewise.
* gcc.target/bfin/mcpu-bf542.c: Check SILICON_REVISION is 0x0002. Invert
check for __WORKAROUND_RETS when SILICON_REVISION is 0x0002+.
* gcc.target/bfin/mcpu-bf542.c: Check SILICON_REVISION is 0x0002.
Invert check for __WORKAROUND_RETS when SILICON_REVISION is 0x0002+.
* gcc.target/bfin/mcpu-bf544.c: Likewise.
* gcc.target/bfin/mcpu-bf547.c: Likewise.
* gcc.target/bfin/mcpu-bf548.c: Likewise.
......@@ -3192,8 +3197,8 @@
2008-08-24 Daniel Kraft <d@domob.eu>
* gfortran.dg/finalize_5.f03: Adapted expected error message to changes
to handling of CONTAINS in derived-type declarations.
* gfortran.dg/finalize_5.f03: Adapted expected error message to
changes to handling of CONTAINS in derived-type declarations.
* gfortran.dg/typebound_proc_1.f08: New test.
* gfortran.dg/typebound_proc_2.f90: New test.
* gfortran.dg/typebound_proc_3.f03: New test.
......@@ -7000,11 +7005,16 @@
2008-05-08 Rafael Espíndola <espindola@google.com>
* gcc.dg/vect/vect-111.c: Rename to no-trapping-math-vect-111.c
* gcc.dg/vect/vect-ifcvt-11.c: Rename to no-trapping-math-vect-ifcvt-11.c
* gcc.dg/vect/vect-ifcvt-12.c: Rename to no-trapping-math-vect-ifcvt-12.c
* gcc.dg/vect/vect-ifcvt-13.c: Rename to no-trapping-math-vect-ifcvt-13.c
* gcc.dg/vect/vect-ifcvt-14.c: Rename to no-trapping-math-vect-ifcvt-14.c
* gcc.dg/vect/vect-ifcvt-15.c: Rename to no-trapping-math-vect-ifcvt-15.c
* gcc.dg/vect/vect-ifcvt-11.c: Rename to
no-trapping-math-vect-ifcvt-11.c
* gcc.dg/vect/vect-ifcvt-12.c: Rename to
no-trapping-math-vect-ifcvt-12.c
* gcc.dg/vect/vect-ifcvt-13.c: Rename to
no-trapping-math-vect-ifcvt-13.c
* gcc.dg/vect/vect-ifcvt-14.c: Rename to
no-trapping-math-vect-ifcvt-14.c
* gcc.dg/vect/vect-ifcvt-15.c: Rename to
no-trapping-math-vect-ifcvt-15.c
2008-05-08 David Daney <ddaney@avtrex.com>
......@@ -9083,8 +9093,7 @@
gfortran.dg/fmt_t_5.f90, gfortran.dg/namelist_12.f,
gfortran.dg/backspace_7.f90, gfortran.dg/write_rewind_2.f,
gfortran.dg/ftell_1.f90, gfortran.dg/fseek.f90,
gfortran.dg/write_back.f: Gate test on effective_target
fd_truncate.
gfortran.dg/write_back.f: Gate test on effective_target fd_truncate.
2008-03-04 Joseph Myers <joseph@codesourcery.com>
......@@ -10493,7 +10502,8 @@
2008-01-18 Tobias Burnus <burnus@net-b.de>
* gfortran.dg/large_real_kind_form_io_1.f90: Enlarge string for internal I/O.
* gfortran.dg/large_real_kind_form_io_1.f90: Enlarge string for
internal I/O.
2008-01-18 Jonathan Wakely <jwakely.gcc@gmail.com>
......@@ -11049,8 +11059,8 @@
2008-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR middle-end/34562
* g++.dg/other/first-global.C: Also accept _GLOBAL__I_65535_0_foobar in
scan-assembler check.
* g++.dg/other/first-global.C: Also accept _GLOBAL__I_65535_0_foobar
in scan-assembler check.
2008-01-03 Jakub Jelinek <jakub@redhat.com>
......
gcc/testsuite/gfortran.dg/pr37286.f90 0 → 100644
! { dg-do compile }
module general_rand
implicit none
private
integer, public, parameter :: GNDP = kind(1.0d0)
real(kind = GNDP), save :: &
gnc = 362436.0 / 16777216.0, &
gncd = 7654321.0 / 16777216.0, &
gncm = 16777213.0 / 16777216.0
integer, save :: &
gni97 = 97, &
gnj97 = 33
real(kind = GNDP), save :: gnu(97)
contains
subroutine gn_fatal(message)
character(len = *), intent(in) :: message
stop 1
end subroutine gn_fatal
function gn_monte_rand(min, max) result(monte)
real(kind = GNDP), intent(in) :: min
real(kind = GNDP), intent(in) :: max
real(kind = GNDP) :: monte
real :: monte_temp
if (min > max) then
call gn_fatal('gn_monte_rand: min > max')
else if (min == max) then
call gn_fatal('gn_monte_rand: min = max: returning min')
monte_temp = min
else
monte_temp = gnu(gni97) - gnu(gnj97)
if (monte_temp < 0.0) then
monte_temp = monte_temp + 1.0
end if
gnu(gni97) = monte_temp
gni97 = gni97 - 1
if (gni97 == 0) then
gni97 = 97
end if
end if
monte = min + monte_temp * (max - min)
end function gn_monte_rand
end module general_rand
! { dg-final { cleanup-modules "general_rand" } }
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