https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83111
Oleg Endo <olegendo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-11-23 Ever confirmed|0 |1 --- Comment #4 from Oleg Endo <olegendo at gcc dot gnu.org> --- Thanks for reporting and tracking this down. It seems there more such traps. Can you please try the following: Index: gcc/config/sh/sh.md =================================================================== --- gcc/config/sh/sh.md (revision 251045) +++ gcc/config/sh/sh.md (working copy) @@ -2277,8 +2277,8 @@ "" { rtx last; + rtx func_ptr = gen_reg_rtx (Pmode); - operands[3] = gen_reg_rtx (Pmode); /* Emit the move of the address to a pseudo outside of the libcall. */ if (TARGET_DIVIDE_CALL_TABLE) { @@ -2298,16 +2298,16 @@ emit_move_insn (operands[0], operands[2]); DONE; } - function_symbol (operands[3], "__udivsi3_i4i", SFUNC_GOT); - last = gen_udivsi3_i4_int (operands[0], operands[3]); + function_symbol (func_ptr, "__udivsi3_i4i", SFUNC_GOT); + last = gen_udivsi3_i4_int (operands[0], func_ptr); } else if (TARGET_DIVIDE_CALL_FP) { - rtx lab = function_symbol (operands[3], "__udivsi3_i4", SFUNC_STATIC).lab; + rtx lab = function_symbol (func_ptr, "__udivsi3_i4", SFUNC_STATIC).lab; if (TARGET_FPU_SINGLE) - last = gen_udivsi3_i4_single (operands[0], operands[3], lab); + last = gen_udivsi3_i4_single (operands[0], func_ptr, lab); else - last = gen_udivsi3_i4 (operands[0], operands[3], lab); + last = gen_udivsi3_i4 (operands[0], func_ptr, lab); } else if (TARGET_SH2A) { @@ -2318,8 +2318,8 @@ } else { - rtx lab = function_symbol (operands[3], "__udivsi3", SFUNC_STATIC).lab; - last = gen_udivsi3_i1 (operands[0], operands[3], lab); + rtx lab = function_symbol (func_ptr, "__udivsi3", SFUNC_STATIC).lab; + last = gen_udivsi3_i1 (operands[0], func_ptr, lab); } emit_move_insn (gen_rtx_REG (SImode, 4), operands[1]); emit_move_insn (gen_rtx_REG (SImode, 5), operands[2]); @@ -2405,22 +2405,22 @@ "" { rtx last; + rtx func_ptr = gen_reg_rtx (Pmode); - operands[3] = gen_reg_rtx (Pmode); /* Emit the move of the address to a pseudo outside of the libcall. */ if (TARGET_DIVIDE_CALL_TABLE) { - function_symbol (operands[3], sh_divsi3_libfunc, SFUNC_GOT); - last = gen_divsi3_i4_int (operands[0], operands[3]); + function_symbol (func_ptr, sh_divsi3_libfunc, SFUNC_GOT); + last = gen_divsi3_i4_int (operands[0], func_ptr); } else if (TARGET_DIVIDE_CALL_FP) { - rtx lab = function_symbol (operands[3], sh_divsi3_libfunc, + rtx lab = function_symbol (func_ptr, sh_divsi3_libfunc, SFUNC_STATIC).lab; if (TARGET_FPU_SINGLE) - last = gen_divsi3_i4_single (operands[0], operands[3], lab); + last = gen_divsi3_i4_single (operands[0], func_ptr, lab); else - last = gen_divsi3_i4 (operands[0], operands[3], lab); + last = gen_divsi3_i4 (operands[0], func_ptr, lab); } else if (TARGET_SH2A) { @@ -2431,8 +2431,8 @@ } else { - function_symbol (operands[3], sh_divsi3_libfunc, SFUNC_GOT); - last = gen_divsi3_i1 (operands[0], operands[3]); + function_symbol (func_ptr, sh_divsi3_libfunc, SFUNC_GOT); + last = gen_divsi3_i1 (operands[0], func_ptr); } emit_move_insn (gen_rtx_REG (SImode, 4), operands[1]); emit_move_insn (gen_rtx_REG (SImode, 5), operands[2]); @@ -6519,6 +6519,7 @@ [(call (mem (match_operand:SI 0 "symbol_ref_operand" "")) (match_operand 1 "" "")) (use (reg:SI FPSCR_MODES_REG)) + (use (match_scratch 2)) (clobber (reg:SI PR_REG))] "TARGET_SH2A && sh2a_is_function_vector_call (operands[0])" { @@ -6629,6 +6630,7 @@ (call (mem:SI (match_operand:SI 1 "symbol_ref_operand" "")) (match_operand 2 "" ""))) (use (reg:SI FPSCR_MODES_REG)) + (use (match_scratch 3)) (clobber (reg:SI PR_REG))] "TARGET_SH2A && sh2a_is_function_vector_call (operands[1])" { @@ -7044,13 +7046,11 @@ [(const_int 0)] { rtx lab = PATTERN (gen_call_site ()); - rtx call_insn; + rtx tmp = gen_rtx_REG (SImode, R1_REG); - operands[3] = gen_rtx_REG (SImode, R1_REG); - - sh_expand_sym_label2reg (operands[3], operands[1], lab, true); - call_insn = emit_call_insn (gen_sibcall_valuei_pcrel (operands[0], - operands[3], + sh_expand_sym_label2reg (tmp, operands[1], lab, true); + rtx call_insn = emit_call_insn (gen_sibcall_valuei_pcrel (operands[0], + tmp, operands[2], copy_rtx (lab))); SIBLING_CALL_P (call_insn) = 1; @@ -7078,12 +7078,11 @@ [(const_int 0)] { rtx lab = PATTERN (gen_call_site ()); + rtx tmp = gen_rtx_REG (SImode, R1_REG); - operands[3] = gen_rtx_REG (SImode, R1_REG); - - sh_expand_sym_label2reg (operands[3], operands[1], lab, true); + sh_expand_sym_label2reg (tmp, operands[1], lab, true); rtx i = emit_call_insn (gen_sibcall_valuei_pcrel_fdpic (operands[0], - operands[3], + tmp, operands[2], copy_rtx (lab))); SIBLING_CALL_P (i) = 1;