From d80e9fd70ca8fb31e4138b7bd433ab38fcdb0b1d Mon Sep 17 00:00:00 2001 From: Richard Stallman Date: Sat, 4 Jul 1992 19:02:06 +0000 Subject: [PATCH] *** empty log message *** From-SVN: r1432 --- gcc/cse.c | 18 ++++++++++++++++-- gcc/reorg.c | 8 +++----- 2 files changed, 19 insertions(+), 7 deletions(-) diff --git a/gcc/cse.c b/gcc/cse.c index 334d899ef42..e4ed58ccdcd 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -2879,7 +2879,14 @@ simplify_unary_operation (code, mode, op, op_mode) if (op_mode == VOIDmode) op_mode = mode; if (GET_MODE_BITSIZE (op_mode) == HOST_BITS_PER_INT) - val = arg0; + { + /* If we were really extending the mode, + we would have to distinguish between zero-extension + and sign-extension. */ + if (width != GET_MODE_BITSIZE (op_mode)) + abort (); + val = arg0; + } else if (GET_MODE_BITSIZE (op_mode) < HOST_BITS_PER_INT) val = arg0 & ~((-1) << GET_MODE_BITSIZE (op_mode)); else @@ -2890,7 +2897,14 @@ simplify_unary_operation (code, mode, op, op_mode) if (op_mode == VOIDmode) op_mode = mode; if (GET_MODE_BITSIZE (op_mode) == HOST_BITS_PER_INT) - val = arg0; + { + /* If we were really extending the mode, + we would have to distinguish between zero-extension + and sign-extension. */ + if (width != GET_MODE_BITSIZE (op_mode)) + abort (); + val = arg0; + } else if (GET_MODE_BITSIZE (op_mode) < HOST_BITS_PER_INT) { val = arg0 & ~((-1) << GET_MODE_BITSIZE (op_mode)); diff --git a/gcc/reorg.c b/gcc/reorg.c index 50c97c37403..dfeab51bd2b 100644 --- a/gcc/reorg.c +++ b/gcc/reorg.c @@ -19,11 +19,6 @@ You should have received a copy of the GNU General Public License along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include "insn-attr.h" - -#ifdef DELAY_SLOTS - /* Instruction reorganization pass. This pass runs after register allocation and final jump @@ -125,6 +120,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "flags.h" #include "output.h" #include "obstack.h" +#include "insn-attr.h" + +#ifdef DELAY_SLOTS #define obstack_chunk_alloc xmalloc #define obstack_chunk_free free -- 2.30.2