On 31/08/16 08:31, Eric Botcazou wrote:
Hi,
compiling any non-trivial program in Thumb mode yields with RTL checking:
eric@arcturus:~/build/gcc/arm-eabi> gcc/xgcc -Bgcc -S t.c -mthumb
t.c:4:5: internal compiler error: RTL check: expected code 'const_int', have
'reg' in thumb1_size_rtx_costs, at config/arm/arm.c:9130
int foo (int a, int b, int c, int d, double i)
^~~
0xb0da47 rtl_check_failed_code1(rtx_def const*, rtx_code, char const*, int,
char const*)
/home/eric/svn/gcc/gcc/rtl.c:811
0xf13472 thumb1_size_rtx_costs
/home/eric/svn/gcc/gcc/config/arm/arm.c:9130
0xf1cd10 arm_size_rtx_costs
/home/eric/svn/gcc/gcc/config/arm/arm.c:9239
0xf1cd10 arm_rtx_costs
/home/eric/svn/gcc/gcc/config/arm/arm.c:11290
so even libgcc cannot be built.
(gdb) frame 2
#2 0x0000000000f13473 in thumb1_size_rtx_costs (x=x@entry=0x7ffff6a622d0,
code=code@entry=SET, outer=outer@entry=INSN)
at /home/eric/svn/gcc/gcc/config/arm/arm.c:9130
9130 || (UINTVAL (SET_SRC (x)) >= 256
(gdb) p debug_rtx(x)
(set (reg:SI 110)
(reg:SI 111))
Proposed fix attached, built on arm-eabi, OK for the mainline?
Ok.
Thanks,
Kyrill
2016-08-31 Eric Botcazou <ebotca...@adacore.com>
* config/arm/arm.c (thumb1_size_rtx_costs) <SET>: Add missing guard.
