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authorKartik Agaram <vc@akkartik.com>2019-02-14 22:58:18 -0800
committerKartik Agaram <vc@akkartik.com>2019-02-14 22:58:18 -0800
commitdb2be4dd83ebfb37dc44873aa1a15ae0da47c15d (patch)
treef3c6c8f31b2a47da7f7c6036d6b3aa853a1c0a81 /subx/apps
parentdb268970a93bdde7c0d1ac95ad0154fed8908cc1 (diff)
downloadmu-db2be4dd83ebfb37dc44873aa1a15ae0da47c15d.tar.gz
4966
Standardize how we show register allocation decisions.
Diffstat (limited to 'subx/apps')
-rw-r--r--subx/apps/crenshaw2-1.subx11
-rw-r--r--subx/apps/crenshaw2-1b.subx11
2 files changed, 10 insertions, 12 deletions
diff --git a/subx/apps/crenshaw2-1.subx b/subx/apps/crenshaw2-1.subx
index 3fe51fd7..53b59263 100644
--- a/subx/apps/crenshaw2-1.subx
+++ b/subx/apps/crenshaw2-1.subx
@@ -208,12 +208,11 @@ get-num:  # in : (address buffered-file), out : (address stream), err : fd or (a
     #   Look = get-char(in)
     #
     # registers:
-    #   ESI : in
-    #   EDI : out
-    #   EAX : temp
-    #   ECX : out->write (persisted back at end)
-    #   EDX : out->length
-    #   EBX : temp2
+    #   in: ESI
+    #   out: EDI
+    #   out->write: ECX (cached copy; need to keep in sync)
+    #   out->length: EDX
+    #   temporaries: EAX, EBX
     # We can't allocate Look to a register because it gets written implicitly in
     # get-char in each iteration of the loop. (Thereby demonstrating that it's
     # not the right interface for us. But we'll keep it just to follow Crenshaw.)
diff --git a/subx/apps/crenshaw2-1b.subx b/subx/apps/crenshaw2-1b.subx
index 4fc2680b..3b828735 100644
--- a/subx/apps/crenshaw2-1b.subx
+++ b/subx/apps/crenshaw2-1b.subx
@@ -213,12 +213,11 @@ get-num:  # in : (address buffered-file), out : (address stream), err : fd or (a
     # a general helper like write-byte. Maybe I should just create a local helper.
     #
     # within the loop we'll try to keep things in registers:
-    #   ESI : in
-    #   EDI : out
-    #   EAX : temp
-    #   ECX : out->write (persisted back at end)
-    #   EDX : out->length
-    #   EBX : temp2
+    #   in: ESI
+    #   out: EDI
+    #   out->write: ECX (cached copy; need to keep in sync)
+    #   out->length: EDX
+    #   temporaries: EAX, EBX
     # We can't allocate Look to a register because it gets written implicitly in
     # get-char in each iteration of the loop. (Thereby demonstrating that it's
     # not the right interface for us. But we'll keep it just to follow Crenshaw.)