https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106586
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
index 5a0adffb5ce..b4a08de6b93 100644
--- a/gcc/config/riscv/riscv.cc
+++ b/gcc/config/riscv/riscv.cc
@@ -426,7 +426,9 @@ riscv_build_integer_1 (struct riscv_integer_op
codes[RISCV_MAX_INTEGER_OPS],
sign-extended (negative) representation (-1 << 31) for the
value, if we want to build (1 << 31) in SImode. This will
then expand to an LUI instruction. */
- if (mode == SImode && value == (HOST_WIDE_INT_1U << 31))
+ if (TARGET_64BIT
+ && mode == SImode
+ && value == (HOST_WIDE_INT_1U << 31))
codes[0].value = (HOST_WIDE_INT_M1U << 31);
return 1;
Fixes that ICE but there is still another ICE with the same reduced testcase:
0xd9898c wi::int_traits<std::pair<rtx_def*, machine_mode> >::decompose(long*,
unsigned int, std::pair<rtx_def*, machine_mode> const&)
../../src/gcc/rtl.h:2288
0x1136bf7 wide_int_ref_storage<false,
false>::wide_int_ref_storage<std::pair<rtx_def*, machine_mode>
>(std::pair<rtx_def*, machine_mode> const&, unsigned int)
../../src/gcc/wide-int.h:1034
0x1136bf7 generic_wide_int<wide_int_ref_storage<false, false>
>::generic_wide_int<std::pair<rtx_def*, machine_mode> >(std::pair<rtx_def*,
machine_mode> const&, unsigned int)
../../src/gcc/wide-int.h:790
0x1136bf7 wi::binary_traits<std::pair<rtx_def*, machine_mode>,
std::pair<rtx_def*, machine_mode>, wi::int_traits<std::pair<rtx_def*,
machine_mode> >::precision_type, wi::int_traits<std::pair<rtx_def*,
machine_mode> >::precision_type>::result_type wi::add<std::pair<rtx_def*,
machine_mode>, std::pair<rtx_def*, machine_mode> >(std::pair<rtx_def*,
machine_mode> const&, std::pair<rtx_def*, machine_mode> const&)
../../src/gcc/wide-int.h:2442
0x1136bf7 simplify_const_binary_operation(rtx_code, machine_mode, rtx_def*,
rtx_def*)
../../src/gcc/simplify-rtx.cc:5004
0x113de58 simplify_context::simplify_binary_operation(rtx_code, machine_mode,
rtx_def*, rtx_def*)
../../src/gcc/simplify-rtx.cc:2569
0x10d1b75 simplify_binary_operation(rtx_code, machine_mode, rtx_def*, rtx_def*)
../../src/gcc/rtl.h:3475
0x10d1b75 simplify_while_replacing
../../src/gcc/recog.cc:686
0x10d1b75 validate_replace_rtx_1
../../src/gcc/recog.cc:890
0x10fefb4 note_uses(rtx_def**, void (*)(rtx_def**, void*), void*)
../../src/gcc/rtlanal.cc:2065
0x10cd9b2 validate_replace_src_group(rtx_def*, rtx_def*, rtx_insn*)
../../src/gcc/recog.cc:979
0x1945e30 try_replace_reg
../../src/gcc/cprop.cc:752
0x1946509 constprop_register
../../src/gcc/cprop.cc:1023
0x194688b do_local_cprop
../../src/gcc/cprop.cc:1208
0x194688b local_cprop_pass
../../src/gcc/cprop.cc:1271
0x194688b one_cprop_pass
../../src/gcc/cprop.cc:1772
0x194688b execute_rtl_cprop
../../src/gcc/cprop.cc:1926
0x194688b execute
../../src/gcc/cprop.cc:1966
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Still debugging this.
