X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fassembly%2Fppc%2Farith.lisp;h=5f99d5ab708ffbe4933d3f6486ef54039ea939ef;hb=95591ed483dbb8c0846c129953acac1554f28809;hp=ea9fc110e877b08a20c505b0fdbf645b594f1a55;hpb=b6094d5640a59f36d2f727df08b271c422aa9e1c;p=sbcl.git

diff --git a/src/assembly/ppc/arith.lisp b/src/assembly/ppc/arith.lisp
index ea9fc11..5f99d5a 100644
--- a/src/assembly/ppc/arith.lisp
+++ b/src/assembly/ppc/arith.lisp
@@ -153,17 +153,14 @@
 
   CONS-BIGNUM
   ;; Allocate a BIGNUM for the result.
-  (pseudo-atomic (pa-flag :extra (pad-data-block (1+ bignum-digits-offset)))
+  (with-fixed-allocation (res pa-flag temp bignum-widetag
+                              (+ bignum-digits-offset 2))
     (let ((one-word (gen-label)))
-      (inst ori res alloc-tn other-pointer-lowtag)
       ;; We start out assuming that we need one word.  Is that correct?
       (inst srawi temp lo 31)
       (inst xor. temp temp hi)
       (inst li temp (logior (ash 1 n-widetag-bits) bignum-widetag))
       (inst beq one-word)
-      ;; Nope, we need two, so allocate the additional space.
-      (inst addi alloc-tn alloc-tn (- (pad-data-block (+ 2 bignum-digits-offset))
-                                      (pad-data-block (1+ bignum-digits-offset))))
       (inst li temp (logior (ash 2 n-widetag-bits) bignum-widetag))
       (storew hi res (1+ bignum-digits-offset) other-pointer-lowtag)
       (emit-label one-word)
@@ -220,7 +217,7 @@
                           (:res quo any-reg nl2-offset)
                           (:res rem any-reg nl0-offset))
   (aver (location= rem dividend))
-  (let ((error (generate-error-code nil division-by-zero-error
+  (let ((error (generate-error-code nil 'division-by-zero-error
                                     dividend divisor)))
     (inst cmpwi divisor 0)
     (inst beq error))
@@ -245,7 +242,7 @@
                           (:res rem any-reg nl0-offset))
 
   (aver (location= rem dividend))
-  (let ((error (generate-error-code nil division-by-zero-error
+  (let ((error (generate-error-code nil 'division-by-zero-error
                                     dividend divisor)))
     (inst cmpwi divisor 0)
     (inst beq error))
@@ -270,7 +267,7 @@
                           (:res quo signed-reg nl2-offset)
                           (:res rem signed-reg nl0-offset))
 
-  (let ((error (generate-error-code nil division-by-zero-error
+  (let ((error (generate-error-code nil 'division-by-zero-error
                                     dividend divisor)))
     (inst cmpwi divisor 0)
     (inst beq error))