Smaller stack frames on x86oids

Start at 4 slots (for some reason, it seems that 3 isn't really
the minimum, and grows by one slot at a time.

diff --git a/src/compiler/x86-64/vm.lisp b/src/compiler/x86-64/vm.lisp
index aa1c77b..2538e49 100644 (file)
--- a/src/compiler/x86-64/vm.lisp
+++ b/src/compiler/x86-64/vm.lisp
@@ -187,7 +187,7 @@
 
 (define-storage-base float-registers :finite :size 16)
 
-(define-storage-base stack :unbounded :size 8)
+(define-storage-base stack :unbounded :size 4 :size-increment 1)
 (define-storage-base constant :non-packed)
 (define-storage-base immediate-constant :non-packed)
 (define-storage-base noise :unbounded :size 2)

diff --git a/src/compiler/x86/vm.lisp b/src/compiler/x86/vm.lisp
index 72c25aa..39924ff 100644 (file)
--- a/src/compiler/x86/vm.lisp
+++ b/src/compiler/x86/vm.lisp
@@ -118,7 +118,7 @@
 ;;; the new way:
 (define-storage-base float-registers :finite :size 8)
 
-(define-storage-base stack :unbounded :size 8)
+(define-storage-base stack :unbounded :size 4 :size-increment 1)
 (define-storage-base constant :non-packed)
 (define-storage-base immediate-constant :non-packed)
 (define-storage-base noise :unbounded :size 2)