Add explicit CONDITION datatype to track the conditions that tag
authorChris Hanson <org/chris-hanson/cph>
Fri, 2 Nov 2001 04:59:12 +0000 (04:59 +0000)
committerChris Hanson <org/chris-hanson/cph>
Fri, 2 Nov 2001 04:59:12 +0000 (04:59 +0000)
commit575599430d0d47b00f4aebc39e725dd7c24ff979
tree85aca608d557fd6e4ad7698a84f8a6bbcacea023
parent8bed35b3e0c0478d37735bd12cb3970dfbee60ac
Add explicit CONDITION datatype to track the conditions that tag
undrifting constraints.  This simplifies the code and clarifies what
is happening.

Also change PENDING-UNDRIFTING? to examine the conditions for validity
in the same way that UNDRIFT-PROCEDURES! does.
v7/src/compiler/fgopt/closan.scm