X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fppc%2Fparms.lisp;h=9d0a4a19ec3ec1e66a0dfcf06ad0adad02b23835;hb=8731c1a7c1a585d190151fa881050fb5e14c0616;hp=a8246fcc66c6cd64914ca950ac47f90796947a98;hpb=cab2c71bb1bb8a575d9eebdae335e731daa64183;p=sbcl.git diff --git a/src/compiler/ppc/parms.lisp b/src/compiler/ppc/parms.lisp index a8246fc..9d0a4a1 100644 --- a/src/compiler/ppc/parms.lisp +++ b/src/compiler/ppc/parms.lisp @@ -5,61 +5,61 @@ (in-package "SB!VM") -(defconstant n-word-bits 32 +(def!constant n-word-bits 32 "Number of bits per word where a word holds one lisp descriptor.") -(defconstant n-byte-bits 8 +(def!constant n-byte-bits 8 "Number of bits per byte where a byte is the smallest addressable object.") -(defconstant word-shift (1- (integer-length (/ n-word-bits n-byte-bits))) +(def!constant word-shift (1- (integer-length (/ n-word-bits n-byte-bits))) "Number of bits to shift between word addresses and byte addresses.") -(defconstant n-word-bytes (/ n-word-bits n-byte-bits) +(def!constant n-word-bytes (/ n-word-bits n-byte-bits) "Number of bytes in a word.") -(defconstant float-sign-shift 31) +(def!constant float-sign-shift 31) -(defconstant single-float-bias 126) +(def!constant single-float-bias 126) (defconstant-eqx single-float-exponent-byte (byte 8 23) #'equalp) (defconstant-eqx single-float-significand-byte (byte 23 0) #'equalp) -(defconstant single-float-normal-exponent-min 1) -(defconstant single-float-normal-exponent-max 254) -(defconstant single-float-hidden-bit (ash 1 23)) -(defconstant single-float-trapping-nan-bit (ash 1 22)) +(def!constant single-float-normal-exponent-min 1) +(def!constant single-float-normal-exponent-max 254) +(def!constant single-float-hidden-bit (ash 1 23)) +(def!constant single-float-trapping-nan-bit (ash 1 22)) -(defconstant double-float-bias 1022) +(def!constant double-float-bias 1022) (defconstant-eqx double-float-exponent-byte (byte 11 20) #'equalp) (defconstant-eqx double-float-significand-byte (byte 20 0) #'equalp) -(defconstant double-float-normal-exponent-min 1) -(defconstant double-float-normal-exponent-max #x7FE) -(defconstant double-float-hidden-bit (ash 1 20)) -(defconstant double-float-trapping-nan-bit (ash 1 19)) +(def!constant double-float-normal-exponent-min 1) +(def!constant double-float-normal-exponent-max #x7FE) +(def!constant double-float-hidden-bit (ash 1 20)) +(def!constant double-float-trapping-nan-bit (ash 1 19)) -(defconstant single-float-digits +(def!constant single-float-digits (+ (byte-size single-float-significand-byte) 1)) -(defconstant double-float-digits +(def!constant double-float-digits (+ (byte-size double-float-significand-byte) n-word-bits 1)) -(defconstant float-inexact-trap-bit (ash 1 0)) -(defconstant float-divide-by-zero-trap-bit (ash 1 1)) -(defconstant float-underflow-trap-bit (ash 1 2)) -(defconstant float-overflow-trap-bit (ash 1 3)) -(defconstant float-invalid-trap-bit (ash 1 4)) +(def!constant float-inexact-trap-bit (ash 1 0)) +(def!constant float-divide-by-zero-trap-bit (ash 1 1)) +(def!constant float-underflow-trap-bit (ash 1 2)) +(def!constant float-overflow-trap-bit (ash 1 3)) +(def!constant float-invalid-trap-bit (ash 1 4)) -(defconstant float-round-to-nearest 0) -(defconstant float-round-to-zero 1) -(defconstant float-round-to-positive 2) -(defconstant float-round-to-negative 3) +(def!constant float-round-to-nearest 0) +(def!constant float-round-to-zero 1) +(def!constant float-round-to-positive 2) +(def!constant float-round-to-negative 3) (defconstant-eqx float-rounding-mode (byte 2 0) #'equalp) ; RD (defconstant-eqx float-sticky-bits (byte 10 19) #'equalp) (defconstant-eqx float-traps-byte (byte 6 3) #'equalp) (defconstant-eqx float-exceptions-byte (byte 5 0) #'equalp) ; cexc -(defconstant float-fast-bit 2) ; Non-IEEE mode +(def!constant float-fast-bit 2) ; Non-IEEE mode ;;; NUMBER-STACK-DISPLACEMENT @@ -68,7 +68,7 @@ ;;; slots are required by architecture, mostly (?) to make C backtrace ;;; work. ;;; -(defconstant number-stack-displacement +(def!constant number-stack-displacement (* 2 sb!vm:n-word-bytes)) @@ -77,29 +77,29 @@ ;;; Where to put the different spaces. ;;; -(defconstant read-only-space-start #x01000000) -(defconstant read-only-space-end #x04ff8000) +(def!constant read-only-space-start #x01000000) +(def!constant read-only-space-end #x04ff8000) -(defconstant binding-stack-start #x06000000) -(defconstant binding-stack-end #x06ff0000) +(def!constant binding-stack-start #x06000000) +(def!constant binding-stack-end #x06ff0000) -(defconstant control-stack-start #x07000000) -(defconstant control-stack-end #x07ff0000) +(def!constant control-stack-start #x07000000) +(def!constant control-stack-end #x07ff0000) -(defconstant static-space-start #x08000000) -(defconstant static-space-end #x097fff00) +(def!constant static-space-start #x08000000) +(def!constant static-space-end #x097fff00) ;;; FIXME: this is a gross violation of OAOO, done purely to support ;;; the #define of DYNAMIC_SPACE_SIZE in validate.c -- CSR, 2002-02-25 ;;; (these numbers should match dynamic-0-*) -(defconstant dynamic-space-start #x40000000) -(defconstant dynamic-space-end #x47fff000) +(def!constant dynamic-space-start #x40000000) +(def!constant dynamic-space-end #x47fff000) ;;; nothing _seems_ to be using these addresses -(defconstant dynamic-0-space-start #x40000000) -(defconstant dynamic-0-space-end #x47fff000) -(defconstant dynamic-1-space-start #x48000000) -(defconstant dynamic-1-space-end #x4ffff000) +(def!constant dynamic-0-space-start #x40000000) +(def!constant dynamic-0-space-end #x47fff000) +(def!constant dynamic-1-space-start #x48000000) +(def!constant dynamic-1-space-end #x4ffff000)