X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86-64%2Fparms.lisp;h=6913f59731ed2a498c8b9f1d3ace8257d653a0d2;hb=ba871531b6b394da295c9a4527346e1e6327ccca;hp=a66c780aff287f5c2bea523a56573bec1898628a;hpb=04ee798422795a1e3d664c257a6b02b833eec4c6;p=sbcl.git diff --git a/src/compiler/x86-64/parms.lisp b/src/compiler/x86-64/parms.lisp index a66c780..6913f59 100644 --- a/src/compiler/x86-64/parms.lisp +++ b/src/compiler/x86-64/parms.lisp @@ -35,6 +35,12 @@ ;;; addressable object (def!constant n-byte-bits 8) +;;; The minimum immediate offset in a memory-referencing instruction. +(def!constant minimum-immediate-offset (- (expt 2 31))) + +;;; The maximum immediate offset in a memory-referencing instruction. +(def!constant maximum-immediate-offset (1- (expt 2 31))) + (def!constant float-sign-shift 31) ;;; comment from CMU CL: @@ -184,6 +190,9 @@ ;; For GC-AND-SAVE *restart-lisp-function* + ;; For the UNWIND-TO-FRAME-AND-CALL VOP + *unwind-to-frame-function* + ;; Needed for callbacks to work across saving cores. see ;; ALIEN-CALLBACK-ASSEMBLER-WRAPPER in c-call.lisp for gory ;; details.