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Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn
From: |
Denis Chertykov |
Subject: |
Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn |
Date: |
09 Sep 2002 22:46:24 +0400 |
User-agent: |
Gnus/5.0808 (Gnus v5.8.8) Emacs/20.7 |
Oliver Kasten <address@hidden> writes:
> i get the following reproducable error:
>
> avr-gcc -mmcu=atmega128 -O6 -Wall -c insn.c
> insn.c: In function `foo':
> insn.c:18: unrecognizable insn:
> (insn 11 9 13 (set (reg:QI 42)
> (const_int 129 [0x81])) -1 (nil)
> (expr_list:REG_EQUAL (const_int 129 [0x81])
> (nil)))
> insn.c:18: Internal compiler error in extract_insn, at recog.c:2148
Thanks for bug report.
This is the fix. (FSF CVS tree already have this fix)
Apply the following patch to gcc/config/avr/avr.md and recompile
avr-gcc.
*** avr.md 13 Aug 2002 14:06:56 -0000 1.35
--- avr.md 9 Sep 2002 17:54:42 -0000
***************
*** 356,368 ****
"{
rtx addr0, addr1;
int cnt8;
if (GET_CODE (operands[2]) != CONST_INT)
FAIL;
! cnt8 = byte_immediate_operand (operands[2], GET_MODE (operands[2]));
! operands[2] = copy_to_mode_reg (cnt8 ? QImode : HImode, operands[2]);
! operands[4] = operands[2];
!
addr0 = copy_to_mode_reg (Pmode, XEXP (operands[0], 0));
addr1 = copy_to_mode_reg (Pmode, XEXP (operands[1], 0));
--- 356,369 ----
"{
rtx addr0, addr1;
int cnt8;
+ enum machine_mode mode;
if (GET_CODE (operands[2]) != CONST_INT)
FAIL;
! cnt8 = byte_immediate_operand (operands[1], GET_MODE (operands[1]));
! mode = cnt8 ? QImode : HImode;
! operands[1] = copy_to_mode_reg (mode,
! gen_int_mode (INTVAL (operands[1]), mode));
addr0 = copy_to_mode_reg (Pmode, XEXP (operands[0], 0));
addr1 = copy_to_mode_reg (Pmode, XEXP (operands[1], 0));
***************
*** 428,439 ****
"{
rtx addr0;
int cnt8;
if (GET_CODE (operands[1]) != CONST_INT)
FAIL;
cnt8 = byte_immediate_operand (operands[1], GET_MODE (operands[1]));
! operands[1] = copy_to_mode_reg (cnt8 ? QImode : HImode, operands[1]);
operands[3] = operands[1];
addr0 = copy_to_mode_reg (Pmode, XEXP (operands[0], 0));
--- 429,443 ----
"{
rtx addr0;
int cnt8;
+ enum machine_mode mode;
if (GET_CODE (operands[1]) != CONST_INT)
FAIL;
cnt8 = byte_immediate_operand (operands[1], GET_MODE (operands[1]));
! mode = cnt8 ? QImode : HImode;
! operands[1] = copy_to_mode_reg (mode,
! gen_int_mode (INTVAL (operands[1]), mode));
operands[3] = operands[1];
addr0 = copy_to_mode_reg (Pmode, XEXP (operands[0], 0));
avr-gcc-list at http://avr1.org
- [avr-gcc-list] reproducable gcc error: unrecognizable insn, Oliver Kasten, 2002/09/10
- Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn, E. Weddington, 2002/09/10
- Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn, Denis Chertykov, 2002/09/10
- Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn,
Denis Chertykov <=
- Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn, Joerg Wunsch, 2002/09/10
- Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn, Joerg Wunsch, 2002/09/10
- Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn, Denis Chertykov, 2002/09/10
- Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn, Joerg Wunsch, 2002/09/10
- Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn, Theodore A. Roth, 2002/09/10
- Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn, Joerg Wunsch, 2002/09/10
- Re: [avr-gcc-list] reproducable gcc error: unrecognizable insn, Kang Tin LAI, 2002/09/13