; CPU family related simulator generator, excluding decoding and model support.
-; Copyright (C) 2000, 2002, 2003, 2005, 2006, 2009 Red Hat, Inc.
+; Copyright (C) 2000, 2002, 2003, 2005, 2006, 2009, 2010 Red Hat, Inc.
; This file is part of CGEN.
; ***********
namespace @arch@ {
\n"
- "// Enums.\n\n"
- (lambda () (string-map gen-decl (current-enum-list)))
+ (let ((enums (find (lambda (obj) (not (obj-has-attr? obj 'VIRTUAL)))
+ (current-enum-list))))
+ (if (null? enums)
+ ""
+ (string-list
+ "// Enums.\n\n"
+ (string-map gen-decl enums))))
/gen-attr-decls
/gen-insn-attr-decls
(name (obj:name hw))
(getter (hw-getter hw))
(setter (hw-setter hw))
- (isas (bitset-attr->list (obj-attr-value hw 'ISA)))
(type (gen-type hw)))
(let ((get-code (if getter
(let ((mode (hw-mode hw))
(expr (cadr getter)))
(string-append
"return "
- (rtl-c++ mode expr
+ (rtl-c++ mode
+ #f ;; h/w is not ISA-specific
(if scalar?
nil
(list (list (car args) 'UINT "regno")))
+ expr
#:rtl-cover-fns? #t)
";"))
(string-append
(expr (cadr setter)))
(rtl-c++
VOID ; not `mode', sets have mode VOID
- expr
+ #f ;; h/w is not ISA-specific
(if scalar?
(list (list (car args) (hw-mode hw) "newval"))
(list (list (car args) 'UINT "regno")
(list (cadr args) (hw-mode hw) "newval")))
+ expr
#:rtl-cover-fns? #t))
(string-append
"this->hardware."
; Return C code to perform the semantics of INSN.
(define (gen-semantic-code insn)
- ; Indicate generating code for INSN.
- ; Use the canonical form if available.
- ; The case when they're not available is for virtual insns. (??? Still true?)
(cond ((insn-compiled-semantics insn)
=> (lambda (sem)
- (rtl-c++-parsed VOID sem nil
+ (rtl-c++-parsed VOID sem
#:for-insn? #t
#:rtl-cover-fns? #t
#:owner insn)))
((insn-canonical-semantics insn)
=> (lambda (sem)
- (rtl-c++-parsed VOID sem nil
+ (rtl-c++-parsed VOID sem
#:for-insn? #t
#:rtl-cover-fns? #t
#:owner insn)))
(else
- (rtl-c++ VOID (insn-semantics insn) nil
- #:for-insn? #t
- #:rtl-cover-fns? #t
- #:owner insn)))
+ (context-error (make-obj-context insn #f)
+ "While generating semantic code"
+ "semantics of insn are not canonicalized")))
)
; Return definition of C function to perform INSN.
(define (/gen-sem-case insn parallel?)
(logit 2 "Processing "
(if parallel? "parallel " "")
- "semantic switch case for \"" (insn-syntax insn) "\" ...\n")
+ "semantic switch case for " (obj:name insn) ": \""
+ (insn-syntax insn) "\" ...\n")
(set! /with-profile? /with-profile-sw?)
(let ((cti? (insn-cti? insn))
(insn-len (insn-length-bytes insn)))
(isa-setup-semantics (current-isa)))
(string-append
" "
- (rtl-c++ VOID (isa-setup-semantics (current-isa)) nil
+ (rtl-c++ VOID (obj-isa-list insn) nil
+ (isa-setup-semantics (current-isa))
#:for-insn? #t
#:rtl-cover-fns? #t
#:owner insn))
; Each element is (symbol <mode> "c-var-name").
(define (/gen-sfrag-code frag locals)
- ; Indicate generating code for FRAG.
- ; Use the compiled form if available.
- ; The case when they're not available is for virtual insns.
- (let ((sem (sfrag-compiled-semantics frag))
+ (let ((sem (sfrag-semantics frag))
; If the frag has one owner, use it. Otherwise indicate the owner is
; unknown. In cases where the owner is needed by the semantics, the
; frag should have only one owner. In practice this means that frags
; with the ref,current-insn rtx cannot be used by multiple insns.
(owner (if (= (length (sfrag-users frag)) 1)
(car (sfrag-users frag))
- #f))
- )
- (if sem
- (rtl-c++-parsed VOID sem locals
- #:for-insn? #t
- #:rtl-cover-fns? #t
- #:owner owner)
- (rtl-c++ VOID (sfrag-semantics frag) locals
- #:for-insn? #t
- #:rtl-cover-fns? #t
- #:owner owner)))
+ #f)))
+ ;; NOTE: (sfrag-users frag) is nil for the x-header and x-trailer frags.
+ ;; They are just nops.
+ (rtl-c++ VOID (and owner (obj-isa-list owner)) locals sem
+ #:for-insn? #t
+ #:rtl-cover-fns? #t
+ #:owner owner))
)
; Generate a switch case to perform FRAG.
(parallel? (sfrag-parallel? frag)))
(logit 2 "Processing "
(if parallel? "parallel " "")
- "semantic switch case for \"" (obj:name frag) "\" ...\n")
+ "semantic switch case for " (obj:name frag) " ...\n")
(string-list
; FRAG_ is prepended here and not elsewhere to avoid name collisions
; with symbols like AND, etc.
(isa-setup-semantics (current-isa)))
(string-append
" "
- (rtl-c++ VOID (isa-setup-semantics (current-isa)) nil
+ (rtl-c++ VOID (list (obj:name (current-isa))) nil
+ (isa-setup-semantics (current-isa))
#:rtl-cover-fns? #t
#:owner #f))
"")
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