extern int printListing (int );
struct optimize save_optimize ;
struct options save_options ;
-
- enum {
- P_SAVE = 1,
- P_RESTORE ,
- P_NOINDUCTION,
- P_NOINVARIANT,
- P_INDUCTION ,
- P_STACKAUTO ,
- P_NOJTBOUND ,
- P_NOOVERLAY ,
- P_LESSPEDANTIC,
- P_NOGCSE ,
- P_CALLEE_SAVES,
- P_EXCLUDE ,
- P_NOIV ,
- P_LOOPREV ,
- P_OVERLAY_ /* I had a strange conflict with P_OVERLAY while */
- /* cross-compiling for MINGW32 with gcc 3.2 */
- };
-
%}
%x asm
%%
return (char *)dbuf_c_str(&dbuf);
}
-void doPragma (int op, char *cp)
-{
- switch (op) {
- case P_SAVE:
- memcpy(&save_options,&options,sizeof(options));
- memcpy(&save_optimize,&optimize,sizeof(optimize));
- break;
- case P_RESTORE:
- memcpy(&options,&save_options,sizeof(options));
- memcpy(&optimize,&save_optimize,sizeof(optimize));
- break;
- case P_NOINDUCTION:
- optimize.loopInduction = 0 ;
- break;
- case P_NOINVARIANT:
- optimize.loopInvariant = 0 ;
- break;
- case P_INDUCTION:
- optimize.loopInduction = 1 ;
- break;
- case P_STACKAUTO:
- options.stackAuto = 1;
- break;
- case P_NOJTBOUND:
- optimize.noJTabBoundary = 1;
- break;
- case P_NOGCSE:
- optimize.global_cse = 0;
- break;
- case P_NOOVERLAY:
- options.noOverlay = 1;
- break;
- case P_LESSPEDANTIC:
- options.lessPedantic = 1;
- break;
- case P_CALLEE_SAVES:
- {
- int i=0;
- /* append to the functions already listed
- in callee-saves */
- for (; options.calleeSaves[i] ;i++);
- parseWithComma(&options.calleeSaves[i], Safe_strdup(cp));
- }
- break;
- case P_EXCLUDE:
- parseWithComma(options.excludeRegs, Safe_strdup(cp));
- break;
- case P_NOIV:
- options.noiv = 1;
- break;
- case P_LOOPREV:
- optimize.noLoopReverse = 1;
- break;
- case P_OVERLAY_:
- break; /* notyet */
- }
-}
-int process_pragma(char *s)
-{
- char *cp ;
- /* find the pragma */
- while (strncmp(s,"#pragma",7))
- s++;
- s += 7;
-
- /* look for the directive */
- while(isspace(*s)) s++;
+enum pragma_id {
+ P_SAVE = 1,
+ P_RESTORE ,
+ P_NOINDUCTION,
+ P_NOINVARIANT,
+ P_INDUCTION ,
+ P_STACKAUTO ,
+ P_NOJTBOUND ,
+ P_NOOVERLAY ,
+ P_LESSPEDANTIC,
+ P_NOGCSE ,
+ P_CALLEE_SAVES,
+ P_EXCLUDE ,
+ P_NOIV ,
+ P_LOOPREV ,
+ P_OVERLAY_ /* I had a strange conflict with P_OVERLAY while */
+ /* cross-compiling for MINGW32 with gcc 3.2 */
+};
- cp = s;
- /* look for the end of the directive */
- while ((! isspace(*s)) &&
- (*s != '\n'))
- s++ ;
- /* First give the port a chance */
- if (port->process_pragma && !port->process_pragma(cp))
- return 0;
+/* SAVE/RESTORE stack */
+#define SAVE_RESTORE_SIZE 128
- /* now compare and do what needs to be done */
- if (strncmp(cp,PRAGMA_SAVE,strlen(PRAGMA_SAVE)) == 0) {
- doPragma(P_SAVE,cp+strlen(PRAGMA_SAVE));
- return 0;
- }
+STACK_DCL(options_stack, struct options *, SAVE_RESTORE_SIZE)
+STACK_DCL(optimize_stack, struct optimize *, SAVE_RESTORE_SIZE)
- if (strncmp(cp,PRAGMA_RESTORE,strlen(PRAGMA_RESTORE)) == 0) {
- doPragma (P_RESTORE,cp+strlen(PRAGMA_RESTORE));
- return 0;
- }
- if (strncmp(cp,PRAGMA_NOINDUCTION,strlen(PRAGMA_NOINDUCTION)) == 0) {
- doPragma (P_NOINDUCTION,cp+strlen(PRAGMA_NOINDUCTION)) ;
- return 0;
+void doPragma (int op, char *cp)
+{
+ switch (op) {
+ case P_SAVE:
+ {
+ struct options *optionsp;
+ struct optimize *optimizep;
+
+ optionsp = Safe_malloc(sizeof (struct options));
+ *optionsp = options;
+ STACK_PUSH(options_stack, optionsp);
+
+ optimizep = Safe_malloc(sizeof (struct optimize));
+ *optimizep = optimize;
+ STACK_PUSH(optimize_stack, optimizep);
}
+ break;
- if (strncmp(cp,PRAGMA_NOINVARIANT,strlen(PRAGMA_NOINVARIANT)) == 0) {
- doPragma (P_NOINVARIANT,NULL) ;
- return 0;
- }
+ case P_RESTORE:
+ {
+ struct options *optionsp;
+ struct optimize *optimizep;
- if (strncmp(cp,PRAGMA_INDUCTION,strlen(PRAGMA_INDUCTION)) == 0) {
- doPragma (P_INDUCTION,NULL) ;
- return 0;
- }
+ optionsp = STACK_POP(options_stack);
+ options = *optionsp;
+ Safe_free(optionsp);
- if (strncmp(cp,PRAGMA_STACKAUTO,strlen(PRAGMA_STACKAUTO)) == 0) {
- doPragma (P_STACKAUTO,NULL);
- return 0;
+ optimizep = STACK_POP(optimize_stack);
+ optimize = *optimizep;
+ Safe_free(optimizep);
}
-
- if (strncmp(cp,PRAGMA_NOJTBOUND,strlen(PRAGMA_NOJTBOUND)) == 0) {
- doPragma (P_NOJTBOUND,NULL);
- return 0;
+ break;
+
+ case P_NOINDUCTION:
+ optimize.loopInduction = 0 ;
+ break;
+
+ case P_NOINVARIANT:
+ optimize.loopInvariant = 0 ;
+ break;
+
+ case P_INDUCTION:
+ optimize.loopInduction = 1 ;
+ break;
+
+ case P_STACKAUTO:
+ options.stackAuto = 1;
+ break;
+
+ case P_NOJTBOUND:
+ optimize.noJTabBoundary = 1;
+ break;
+
+ case P_NOGCSE:
+ optimize.global_cse = 0;
+ break;
+
+ case P_NOOVERLAY:
+ options.noOverlay = 1;
+ break;
+
+ case P_LESSPEDANTIC:
+ options.lessPedantic = 1;
+ break;
+
+ case P_CALLEE_SAVES:
+ {
+ int i=0;
+ /* append to the functions already listed
+ in callee-saves */
+ for (; options.calleeSaves[i] ;i++);
+ parseWithComma(&options.calleeSaves[i], Safe_strdup(cp));
}
+ break;
- if (strncmp(cp,PRAGMA_NOGCSE,strlen(PRAGMA_NOGCSE)) == 0) {
- doPragma (P_NOGCSE,NULL);
- return 0;
- }
+ case P_EXCLUDE:
+ parseWithComma(options.excludeRegs, Safe_strdup(cp));
+ break;
- if (strncmp(cp,PRAGMA_NOOVERLAY,strlen(PRAGMA_NOOVERLAY)) == 0) {
- doPragma (P_NOOVERLAY,NULL);
- return 0;
- }
-
- if (strncmp(cp,PRAGMA_LESSPEDANTIC,strlen(PRAGMA_LESSPEDANTIC)) == 0) {
- doPragma(P_LESSPEDANTIC,cp+strlen(PRAGMA_LESSPEDANTIC));
- return 0;
- }
-
- if (strncmp(cp,PRAGMA_CALLEESAVES,strlen(PRAGMA_CALLEESAVES)) == 0) {
- doPragma(P_CALLEE_SAVES,cp+strlen(PRAGMA_CALLEESAVES));
- return 0;
- }
+ case P_NOIV:
+ options.noiv = 1;
+ break;
+
+ case P_LOOPREV:
+ optimize.noLoopReverse = 1;
+ break;
+
+ case P_OVERLAY_:
+ break; /* notyet */
+ }
+}
+
+int process_pragma(char *s)
+{
+#define NELEM(x) (sizeof (x) / sizeof (x)[0])
+#define PRAGMA "#pragma"
+
+ static struct pragma_s {
+ const char *name;
+ enum pragma_id id;
+ } pragma_tbl[] = {
+ { "SAVE", P_SAVE },
+ { "RESTORE", P_RESTORE },
+ { "NOINDUCTION", P_NOINDUCTION },
+ { "NOINVARIANT", P_NOINVARIANT },
+ { "NOLOOPREVERSE", P_LOOPREV },
+ { "INDUCTION", P_INDUCTION },
+ { "STACKAUTO", P_STACKAUTO },
+ { "NOJTBOUND", P_NOJTBOUND },
+ { "NOGCSE", P_NOGCSE },
+ { "NOOVERLAY", P_NOOVERLAY },
+ { "CALLEE-SAVES", P_CALLEE_SAVES },
+ { "EXCLUDE", P_EXCLUDE },
+ { "NOIV", P_NOIV },
+ { "OVERLAY", P_OVERLAY_ },
+ { "LESS_PEDANTIC", P_LESSPEDANTIC },
+ };
+ char *cp ;
+ int i;
+
+ /* find the pragma */
+ while (strncmp(s, PRAGMA, (sizeof PRAGMA) - 1))
+ s++;
+ s += (sizeof PRAGMA) - 1;
- if (strncmp(cp,PRAGMA_EXCLUDE,strlen(PRAGMA_EXCLUDE)) == 0) {
- doPragma(P_EXCLUDE,cp+strlen(PRAGMA_EXCLUDE));
- return 0;
- }
+ /* look for the directive */
+ while(isspace(*s))
+ s++;
- if (strncmp(cp,PRAGMA_NOIV,strlen(PRAGMA_NOIV)) == 0) {
- doPragma(P_NOIV,cp+strlen(PRAGMA_NOIV));
- return 0;
- }
+ cp = s;
+ /* look for the end of the directive */
+ while ((!isspace(*s)) && (*s != '\n'))
+ s++ ;
- if (strncmp(cp,PRAGMA_NOLOOPREV,strlen(PRAGMA_NOLOOPREV)) == 0) {
- doPragma(P_LOOPREV,NULL);
- return 0;
+ /* First give the port a chance */
+ if (port->process_pragma && !port->process_pragma(cp))
+ return 0;
+
+ for (i = 0; i < NELEM(pragma_tbl); i++) {
+ /* now compare and do what needs to be done */
+ size_t len = strlen(pragma_tbl[i].name);
+
+ if (strncmp(cp, pragma_tbl[i].name, len) == 0) {
+ doPragma(pragma_tbl[i].id, cp + len);
+ return 0;
}
+ }
- werror(W_UNKNOWN_PRAGMA,cp);
- return 0;
+ werror(W_UNKNOWN_PRAGMA,cp);
+ return 0;
}
/* will return 1 if the string is a part
projects / fw / sdcc / blobdiff