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(parent: 86b871b) | patch
When subtracting register A from register B, where register B is not
authorChris Hanson <org/chris-hanson/cph>
Sun, 13 Aug 1989 09:57:21 +0000 (09:57 +0000)
committerChris Hanson <org/chris-hanson/cph>
Sun, 13 Aug 1989 09:57:21 +0000 (09:57 +0000)
commit426b53a7d2434aaa90cbc70edc138194a7ddfeca
tree1c7037e93424ed53ba3f3098e3178fb9cacefc26tree | snapshot
parent86b871baa78dfa83a3407f11b991ca43f335746bcommit | diff
When subtracting register A from register B, where register B is not
dead, must always allocate a new alias.  Stupid trick that was being
pulled involving `exg' instruction could never have worked.
v7/src/compiler/machines/bobcat/rules1.scm diff | blob | history
MIT/GNU Scheme, Pucked