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stub dump signed flags of magnitude compare.

This commit is contained in:
steve 2005-01-22 17:36:59 +00:00
parent 6a23f16860
commit cb4e0d4724
2 changed files with 20 additions and 6 deletions
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16
ivl_target.h
View File

@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: ivl_target.h,v 1.132 2005/01/22 01:06:55 steve Exp $"
#ident "$Id: ivl_target.h,v 1.133 2005/01/22 17:36:59 steve Exp $"
#endif
#ifdef __cplusplus
@ -230,7 +230,7 @@ typedef enum ivl_lpm_type_e {
IVL_LPM_CMP_GE = 1,
IVL_LPM_CMP_GT = 2,
IVL_LPM_CMP_NE = 11,
IVL_LPM_CMP_NEE= 19, //* Case NE (!==) */
IVL_LPM_CMP_NEE= 19, /* Case NE (!==) */
IVL_LPM_DIVIDE = 12,
IVL_LPM_FF = 3,
IVL_LPM_MOD = 13,
@ -720,7 +720,8 @@ extern const char* ivl_udp_name(ivl_udp_t net);
*
* ivl_lpm_signed
* Arithmetic LPM devices may be signed or unsigned if there is a
* distinction.
* distinction. For some devices this gives the signedness of the
* output, but not all devices.
*
* ivl_lpm_size
* In addition to a width, some devices have a size. The size is
@ -763,6 +764,12 @@ extern const char* ivl_udp_name(ivl_udp_t net);
* function, and one output available by the ivl_lpm_q function. The
* output width is always 1, but the ivl_lpm_width() returns the width
* of the inputs. Both inputs must have the same width.
*
* The CMP_GE and CMP_GT nodes may also be signed or unsigned, with
* the obvious implications. The widths are matched by the compiler
* (so the target need not worry about sign extension) but when doing
* magnitude compare, the signedness does matter. In any case, the
* result of the compare is always unsigned.
*/
extern const char* ivl_lpm_name(ivl_lpm_t net); /* (Obsolete) */
@ -1429,6 +1436,9 @@ _END_DECL
/*
* $Log: ivl_target.h,v $
* Revision 1.133 2005/01/22 17:36:59 steve
* stub dump signed flags of magnitude compare.
*
* Revision 1.132 2005/01/22 01:06:55 steve
* Change case compare from logic to an LPM node.
*

10
tgt-stub/stub.c
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: stub.c,v 1.98 2005/01/22 16:23:06 steve Exp $"
#ident "$Id: stub.c,v 1.99 2005/01/22 17:36:59 steve Exp $"
#endif
# include "config.h"
@ -258,8 +258,9 @@ static void show_lpm_cmp_ge(ivl_lpm_t net)
{
unsigned width = ivl_lpm_width(net);
fprintf(out, " LPM_CMP_GE %s: <width=%u>\n",
ivl_lpm_basename(net), width);
fprintf(out, " LPM_CMP_GE %s: <width=%u %s>\n",
ivl_lpm_basename(net), width,
ivl_lpm_signed(net)? "signed" : "unsigned");
fprintf(out, " O: %s\n", ivl_nexus_name(ivl_lpm_q(net,0)));
fprintf(out, " A: %s\n", ivl_nexus_name(ivl_lpm_data(net,0)));
@ -923,6 +924,9 @@ int target_design(ivl_design_t des)
/*
* $Log: stub.c,v $
* Revision 1.99 2005/01/22 17:36:59 steve
* stub dump signed flags of magnitude compare.
*
* Revision 1.98 2005/01/22 16:23:06 steve
* LPM_CMP_NE/EQ are vectored devices.
*