This change removes all warnings from romcc in my build environment,
making the output of "make -s" finally usable.. (still trivial, doesn't change any logic or remove any code) Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2894 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
Stefan Reinauer
parent
a9e5821fdd
commit
50542a884b
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@ -3,8 +3,8 @@
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#undef RELEASE_DATE
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#undef VERSION
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#define VERSION_MAJOR "0"
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#define VERSION_MINOR "69"
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#define RELEASE_DATE "02 December 2006"
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#define VERSION_MINOR "70"
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#define RELEASE_DATE "23 October 2007"
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#define VERSION VERSION_MAJOR "." VERSION_MINOR
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#include <stdarg.h>
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@ -25,6 +25,14 @@
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#define MAX_CWD_SIZE 4096
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#define MAX_ALLOCATION_PASSES 100
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/* NOTE: Before you even start thinking to touch anything
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* in this code, set DEBUG_ROMCC_WARNINGS to 1 to get an
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* insight on the original author's thoughts. We introduced
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* this switch as romcc was about the only thing producing
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* massive warnings in our code..
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*/
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#define DEBUG_ROMCC_WARNINGS 0
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#define DEBUG_CONSISTENCY 1
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#define DEBUG_SDP_BLOCKS 0
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#define DEBUG_TRIPLE_COLOR 0
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@ -46,9 +54,11 @@
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#define DEBUG_EXPLICIT_CLOSURES 0
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#if DEBUG_ROMCC_WARNINGS
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#warning "FIXME give clear error messages about unused variables"
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#warning "FIXME properly handle multi dimensional arrays"
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#warning "FIXME handle multiple register sizes"
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#endif
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/* Control flow graph of a loop without goto.
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*
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@ -259,7 +269,9 @@ static char *slurp_file(const char *dirname, const char *filename, off_t *r_size
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}
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/* Types on the destination platform */
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#if DEBUG_ROMCC_WARNINGS
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#warning "FIXME this assumes 32bit x86 is the destination"
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#endif
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typedef int8_t schar_t;
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typedef uint8_t uchar_t;
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typedef int8_t char_t;
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@ -800,7 +812,9 @@ static const struct op_info table_ops[] = {
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[OP_ADDRCONST ] = OP( 0, 0, 1, 0, PURE | DEF, "addrconst"),
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[OP_UNKNOWNVAL ] = OP( 0, 0, 0, 0, PURE | DEF, "unknown"),
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#if DEBUG_ROMCC_WARNINGS
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#warning "FIXME is it correct for OP_WRITE to be a def? I currently use it as one..."
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#endif
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[OP_WRITE ] = OP( 0, 1, 1, 0, PURE | DEF | BLOCK, "write"),
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[OP_READ ] = OP( 0, 1, 0, 0, PURE | DEF | BLOCK, "read"),
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[OP_COPY ] = OP( 0, 1, 0, 0, PURE | DEF | BLOCK, "copy"),
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@ -1847,6 +1861,7 @@ static void valid_ins(struct compile_state *state, struct triple *ptr)
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valid_op(state, ptr->op);
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}
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#if DEBUG_ROMCC_WARNING
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static void valid_param_count(struct compile_state *state, struct triple *ins)
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{
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int lhs, rhs, misc, targ;
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@ -1869,6 +1884,7 @@ static void valid_param_count(struct compile_state *state, struct triple *ins)
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internal_error(state, ins, "Bad targ count");
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}
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}
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#endif
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static struct type void_type;
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static struct type unknown_type;
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@ -2643,13 +2659,15 @@ static int triple_is_ret(struct compile_state *state, struct triple *ins)
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/* Is this triple a return instruction? */
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return triple_is_branch_type(state, ins, RETBRANCH);
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}
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#if DEBUG_ROMCC_WARNING
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static int triple_is_simple_ubranch(struct compile_state *state, struct triple *ins)
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{
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/* Is this triple an unconditional branch and not a call or a
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* return? */
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return triple_is_branch_type(state, ins, UBRANCH);
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}
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#endif
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static int triple_is_end(struct compile_state *state, struct triple *ins)
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{
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@ -2925,7 +2943,10 @@ static int find_rhs_use(struct compile_state *state,
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struct triple **param;
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int size, i;
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verify_use(state, user, used);
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#if DEBUG_ROMCC_WARNINGS
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#warning "AUDIT ME ->rhs"
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#endif
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size = user->rhs;
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param = &RHS(user, 0);
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for(i = 0; i < size; i++) {
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@ -4317,7 +4338,7 @@ static void check_tok(struct compile_state *state, struct token *tk, int tok)
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struct macro_arg_value {
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struct hash_entry *ident;
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unsigned char *value;
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char *value;
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size_t len;
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};
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static struct macro_arg_value *read_macro_args(
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@ -4378,7 +4399,7 @@ static struct macro_arg_value *read_macro_args(
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len = char_strlen(file, start, file->pos);
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argv[i].value = xrealloc(
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argv[i].value, argv[i].len + len, "macro args");
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char_strcpy(argv[i].value + argv[i].len, file, start, file->pos);
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char_strcpy((char *)argv[i].value + argv[i].len, file, start, file->pos);
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argv[i].len += len;
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}
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if (i != macro->argc -1) {
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@ -4459,7 +4480,7 @@ static void macro_expand_args(struct compile_state *state,
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fmacro.prev = 0;
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fmacro.basename = argv[i].ident->name;
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fmacro.dirname = "";
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fmacro.buf = argv[i].value;
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fmacro.buf = (char *)argv[i].value;
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fmacro.size = argv[i].len;
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fmacro.pos = fmacro.buf;
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fmacro.line = 1;
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@ -5625,7 +5646,7 @@ static struct type *invalid_type(struct compile_state *state, struct type *type)
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static inline ulong_t mask_uint(ulong_t x)
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{
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if (SIZEOF_INT < SIZEOF_LONG) {
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ulong_t mask = (((ulong_t)1) << ((ulong_t)(SIZEOF_INT))) -1;
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ulong_t mask = (1ULL << ((ulong_t)(SIZEOF_INT))) -1;
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x &= mask;
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}
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return x;
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@ -5636,7 +5657,9 @@ static inline ulong_t mask_uint(ulong_t x)
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static struct type void_type = { .type = TYPE_VOID };
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static struct type char_type = { .type = TYPE_CHAR };
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static struct type uchar_type = { .type = TYPE_UCHAR };
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#if DEBUG_ROMCC_WARNING
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static struct type short_type = { .type = TYPE_SHORT };
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#endif
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static struct type ushort_type = { .type = TYPE_USHORT };
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static struct type int_type = { .type = TYPE_INT };
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static struct type uint_type = { .type = TYPE_UINT };
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@ -5649,11 +5672,13 @@ static struct type void_ptr_type = {
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.left = &void_type,
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};
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#if DEBUG_ROMCC_WARNING
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static struct type void_func_type = {
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.type = TYPE_FUNCTION,
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.left = &void_type,
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.right = &void_type,
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};
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#endif
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static size_t bits_to_bytes(size_t size)
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{
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@ -7394,7 +7419,9 @@ static struct triple *read_expr(struct compile_state *state, struct triple *def)
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if (!def) {
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return 0;
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}
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#if DEBUG_ROMCC_WARNINGS
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#warning "CHECK_ME is this the only place I need to do lvalue conversions?"
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#endif
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/* Transform lvalues into something we can read */
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def = lvalue_conversion(state, def);
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if (!is_lvalue(state, def)) {
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@ -7735,7 +7762,9 @@ static struct triple *mkcond_expr(
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static int expr_depth(struct compile_state *state, struct triple *ins)
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{
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#if DEBUG_ROMCC_WARNINGS
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#warning "FIXME move optimal ordering of subexpressions into the optimizer"
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#endif
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int count;
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count = 0;
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if (!ins || (ins->id & TRIPLE_FLAG_FLATTENED)) {
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@ -8349,6 +8378,7 @@ static int is_one(struct triple *ins)
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return is_simple_const(ins) && (ins->u.cval == 1);
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}
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#if DEBUG_ROMCC_WARNING
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static long_t bit_count(ulong_t value)
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{
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int count;
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@ -8365,6 +8395,8 @@ static long_t bit_count(ulong_t value)
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return count;
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}
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#endif
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static long_t bsr(ulong_t value)
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{
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int i;
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@ -8582,6 +8614,7 @@ static void unuse_lhs(struct compile_state *state, struct triple *ins)
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}
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}
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#if DEBUG_ROMCC_WARNING
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static void unuse_misc(struct compile_state *state, struct triple *ins)
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{
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struct triple **expr;
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@ -8612,6 +8645,7 @@ static void check_lhs(struct compile_state *state, struct triple *ins)
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}
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}
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#endif
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static void check_misc(struct compile_state *state, struct triple *ins)
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{
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@ -8649,6 +8683,7 @@ static void wipe_ins(struct compile_state *state, struct triple *ins)
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ins->targ = 0;
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}
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#if DEBUG_ROMCC_WARNING
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static void wipe_branch(struct compile_state *state, struct triple *ins)
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{
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/* Becareful which instructions you replace the wiped
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@ -8664,6 +8699,7 @@ static void wipe_branch(struct compile_state *state, struct triple *ins)
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ins->misc = 0;
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ins->targ = 0;
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}
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#endif
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static void mkcopy(struct compile_state *state,
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struct triple *ins, struct triple *rhs)
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@ -10636,7 +10672,9 @@ static struct type *declarator(
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struct hash_entry **ident, int need_ident);
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static void decl(struct compile_state *state, struct triple *first);
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static struct type *specifier_qualifier_list(struct compile_state *state);
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#if DEBUG_ROMCC_WARNING
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static int isdecl_specifier(int tok);
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#endif
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static struct type *decl_specifiers(struct compile_state *state);
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static int istype(int tok);
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static struct triple *expr(struct compile_state *state);
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@ -10702,7 +10740,7 @@ static struct triple *character_constant(struct compile_state *state)
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int c;
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int str_len;
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tk = eat(state, TOK_LIT_CHAR);
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str = tk->val.str + 1;
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str = (signed char *)tk->val.str + 1;
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str_len = tk->str_len - 2;
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if (str_len <= 0) {
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error(state, 0, "empty character constant");
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@ -10731,7 +10769,7 @@ static struct triple *string_constant(struct compile_state *state)
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/* The while loop handles string concatenation */
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do {
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tk = eat(state, TOK_LIT_STRING);
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str = tk->val.str + 1;
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str = (signed char *)tk->val.str + 1;
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str_len = tk->str_len - 2;
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if (str_len < 0) {
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error(state, 0, "negative string constant length");
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@ -11174,7 +11212,9 @@ static struct triple *shift_expr(struct compile_state *state)
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static struct triple *relational_expr(struct compile_state *state)
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{
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#if DEBUG_ROMCC_WARNINGS
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#warning "Extend relational exprs to work on more than arithmetic types"
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#endif
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struct triple *def;
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int done;
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def = shift_expr(state);
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@ -11217,7 +11257,9 @@ static struct triple *relational_expr(struct compile_state *state)
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static struct triple *equality_expr(struct compile_state *state)
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{
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#if DEBUG_ROMCC_WARNINGS
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#warning "Extend equality exprs to work on more than arithmetic types"
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#endif
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struct triple *def;
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int done;
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def = relational_expr(state);
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@ -11778,7 +11820,9 @@ static void return_statement(struct compile_state *state, struct triple *first)
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int last;
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eat(state, TOK_RETURN);
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#if DEBUG_ROMCC_WARNINGS
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#warning "FIXME implement a more general excess branch elimination"
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#endif
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val = 0;
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/* If we have a return value do some more work */
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if (peek(state) != TOK_SEMI) {
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@ -12953,6 +12997,7 @@ static struct type *specifier_qualifier_list(struct compile_state *state)
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return type;
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}
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#if DEBUG_ROMCC_WARNING
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static int isdecl_specifier(int tok)
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{
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switch(tok) {
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@ -12990,6 +13035,7 @@ static int isdecl_specifier(int tok)
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return 0;
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}
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}
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#endif
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static struct type *decl_specifiers(struct compile_state *state)
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{
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@ -13072,7 +13118,9 @@ static struct triple *initializer(
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struct compile_state *state, struct type *type)
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{
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struct triple *result;
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#if DEBUG_ROMCC_WARNINGS
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#warning "FIXME more consistent initializer handling (where should eval_const_expr go?"
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#endif
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if (peek(state) != TOK_LBRACE) {
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result = assignment_expr(state);
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if (((type->type & TYPE_MASK) == TYPE_ARRAY) &&
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@ -13520,8 +13568,10 @@ static struct reg_block *compute_variable_lifetimes(
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struct compile_state *state, struct basic_blocks *bb);
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static void free_variable_lifetimes(struct compile_state *state,
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struct basic_blocks *bb, struct reg_block *blocks);
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#if DEBUG_EXPLICIT_CLOSURES
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static void print_live_variables(struct compile_state *state,
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struct basic_blocks *bb, struct reg_block *rb, FILE *fp);
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#endif
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static struct triple *call(struct compile_state *state,
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@ -17312,19 +17362,24 @@ static int in_triple(struct reg_block *rb, struct triple *in)
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{
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return do_triple_set(&rb->in, in, 0);
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}
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#if DEBUG_ROMCC_WARNING
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static void unin_triple(struct reg_block *rb, struct triple *unin)
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{
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do_triple_unset(&rb->in, unin);
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}
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#endif
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static int out_triple(struct reg_block *rb, struct triple *out)
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{
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return do_triple_set(&rb->out, out, 0);
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}
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#if DEBUG_ROMCC_WARNING
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static void unout_triple(struct reg_block *rb, struct triple *unout)
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{
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do_triple_unset(&rb->out, unout);
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}
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#endif
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static int initialize_regblock(struct reg_block *blocks,
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struct block *block, int vertex)
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@ -17490,7 +17545,9 @@ static int use_in(struct compile_state *state, struct reg_block *rb)
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/* Find the variables we use but don't define and add
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* it to the current blocks input set.
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*/
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#if DEBUG_ROMCC_WARNINGS
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#warning "FIXME is this O(N^2) algorithm bad?"
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#endif
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struct block *block;
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struct triple *ptr;
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int done;
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@ -17661,6 +17718,7 @@ struct print_live_variable_info {
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struct reg_block *rb;
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FILE *fp;
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};
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#if DEBUG_EXPLICIT_CLOSURES
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static void print_live_variables_block(
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struct compile_state *state, struct block *block, void *arg)
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@ -17742,7 +17800,7 @@ static void print_live_variables(struct compile_state *state,
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walk_blocks(state, bb, print_live_variables_block, &info);
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}
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#endif
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static int count_triples(struct compile_state *state)
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{
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@ -17913,7 +17971,10 @@ static void eliminate_inefectual_code(struct compile_state *state)
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struct triple *last;
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last = user->member->last;
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while((last->op == OP_NOOP) && (last != user->member->first)) {
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internal_warning(state, last, "awakening noop?");
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#if DEBUG_ROMCC_WARNINGS
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#warning "Should we bring the awakening noops back?"
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#endif
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// internal_warning(state, last, "awakening noop?");
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last = last->prev;
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}
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awaken(state, dtriple, &last, &work_list_tail);
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@ -18536,6 +18597,7 @@ static void transfer_live_edges(struct reg_state *rstate,
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*
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*/
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#if DEBUG_ROMCC_WARNING
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static void different_colored(
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struct compile_state *state, struct reg_state *rstate,
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struct triple *parent, struct triple *ins)
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@ -18555,7 +18617,7 @@ static void different_colored(
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}
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}
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}
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#endif
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static struct live_range *coalesce_ranges(
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struct compile_state *state, struct reg_state *rstate,
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@ -18643,7 +18705,9 @@ static struct live_range *coalesce_ranges(
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#endif
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/* Append lr2 onto lr1 */
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#if DEBUG_ROMCC_WARNINGS
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#warning "FIXME should this be a merge instead of a splice?"
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#endif
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/* This FIXME item applies to the correctness of live_range_end
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* and to the necessity of making multiple passes of coalesce_live_ranges.
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* A failure to find some coalesce opportunities in coaleace_live_ranges
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@ -18880,6 +18944,7 @@ static void graph_ins(
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return;
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}
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||||
|
||||
#if DEBUG_CONSISTENCY > 1
|
||||
static struct live_range *get_verify_live_range(
|
||||
struct compile_state *state, struct reg_state *rstate, struct triple *ins)
|
||||
{
|
||||
|
|
@ -18958,7 +19023,7 @@ static void verify_graph_ins(
|
|||
}
|
||||
return;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
static void print_interference_ins(
|
||||
struct compile_state *state,
|
||||
|
|
@ -19195,7 +19260,9 @@ static void replace_block_use(struct compile_state *state,
|
|||
struct reg_block *blocks, struct triple *orig, struct triple *new)
|
||||
{
|
||||
int i;
|
||||
#if DEBUG_ROMCC_WARNINGS
|
||||
#warning "WISHLIST visit just those blocks that need it *"
|
||||
#endif
|
||||
for(i = 1; i <= state->bb.last_vertex; i++) {
|
||||
struct reg_block *rb;
|
||||
rb = &blocks[i];
|
||||
|
|
@ -19248,7 +19315,9 @@ static struct triple *resolve_tangle(
|
|||
struct triple_set *set, *next;
|
||||
struct triple *copy;
|
||||
|
||||
#if DEBUG_ROMCC_WARNINGS
|
||||
#warning "WISHLIST recalculate all affected instructions colors"
|
||||
#endif
|
||||
info = find_lhs_color(state, tangle, 0);
|
||||
for(set = tangle->use; set; set = next) {
|
||||
struct triple *user;
|
||||
|
|
@ -19387,7 +19456,9 @@ struct triple *find_constrained_def(
|
|||
* Then a triple is not constrained.
|
||||
* FIXME handle this case!
|
||||
*/
|
||||
#if DEBUG_ROMCC_WARNINGS
|
||||
#warning "FIXME ignore cases that cannot be fixed (a definition followed by a use)"
|
||||
#endif
|
||||
|
||||
|
||||
/* Of the constrained live ranges deal with the
|
||||
|
|
@ -19423,7 +19494,9 @@ static int split_constrained_ranges(
|
|||
for(edge = range->edges; edge; edge = edge->next) {
|
||||
constrained = find_constrained_def(state, edge->node, constrained);
|
||||
}
|
||||
#if DEBUG_ROMCC_WARNINGS
|
||||
#warning "FIXME should I call find_constrained_def here only if no previous constrained def was found?"
|
||||
#endif
|
||||
if (!constrained) {
|
||||
constrained = find_constrained_def(state, range, constrained);
|
||||
}
|
||||
|
|
@ -19467,7 +19540,9 @@ static int split_ranges(
|
|||
* it would be useful to have.
|
||||
*
|
||||
*/
|
||||
#if DEBUG_ROMCC_WARNINGS
|
||||
#warning "WISHLIST implement live range splitting..."
|
||||
#endif
|
||||
|
||||
if (!split && (state->compiler->debug & DEBUG_RANGE_CONFLICTS2)) {
|
||||
FILE *fp = state->errout;
|
||||
|
|
@ -20632,7 +20707,9 @@ static int compute_lnode_val(struct compile_state *state, struct scc_state *scc,
|
|||
scratch->next = lnode->def->next;
|
||||
}
|
||||
/* Recompute the value */
|
||||
#if DEBUG_ROMCC_WARNINGS
|
||||
#warning "FIXME see if simplify does anything bad"
|
||||
#endif
|
||||
/* So far it looks like only the strength reduction
|
||||
* optimization are things I need to worry about.
|
||||
*/
|
||||
|
|
@ -20696,7 +20773,9 @@ static int compute_lnode_val(struct compile_state *state, struct scc_state *scc,
|
|||
(( !triple_is_def(state, lnode->def) &&
|
||||
!triple_is_cbranch(state, lnode->def)) ||
|
||||
(lnode->def->op == OP_PIECE))) {
|
||||
#if DEBUG_ROMCC_WARNINGS
|
||||
#warning "FIXME constant propogate through expressions with multiple left hand sides"
|
||||
#endif
|
||||
if (changed) {
|
||||
internal_warning(state, lnode->def, "non def changes value?");
|
||||
}
|
||||
|
|
@ -21524,8 +21603,10 @@ static void optimize(struct compile_state *state)
|
|||
/* Propogate constants throughout the code */
|
||||
scc_transform(state);
|
||||
verify_consistency(state);
|
||||
#if DEBUG_ROMCC_WARNINGS
|
||||
#warning "WISHLIST implement single use constants (least possible register pressure)"
|
||||
#warning "WISHLIST implement induction variable elimination"
|
||||
#endif
|
||||
/* Select architecture instructions and an initial partial
|
||||
* coloring based on architecture constraints.
|
||||
*/
|
||||
|
|
@ -21710,7 +21791,11 @@ static void print_op_asm(struct compile_state *state,
|
|||
#define REG_XMM7 44
|
||||
#define REGC_XMM_FIRST REG_XMM0
|
||||
#define REGC_XMM_LAST REG_XMM7
|
||||
|
||||
#if DEBUG_ROMCC_WARNINGS
|
||||
#warning "WISHLIST figure out how to use pinsrw and pextrw to better use extended regs"
|
||||
#endif
|
||||
|
||||
#define LAST_REG REG_XMM7
|
||||
|
||||
#define REGC_GPR32_8_FIRST REG_EAX
|
||||
|
|
@ -22288,7 +22373,10 @@ static int arch_select_free_register(
|
|||
|
||||
static unsigned arch_type_to_regcm(struct compile_state *state, struct type *type)
|
||||
{
|
||||
|
||||
#if DEBUG_ROMCC_WARNINGS
|
||||
#warning "FIXME force types smaller (if legal) before I get here"
|
||||
#endif
|
||||
unsigned mask;
|
||||
mask = 0;
|
||||
switch(type->type & TYPE_MASK) {
|
||||
|
|
@ -24463,7 +24551,9 @@ static void print_op_branch(struct compile_state *state,
|
|||
(RHS(branch, 0)->op != OP_TEST)) {
|
||||
internal_error(state, branch, "bad branch test");
|
||||
}
|
||||
#if DEBUG_ROMCC_WARNINGS
|
||||
#warning "FIXME I have observed instructions between the test and branch instructions"
|
||||
#endif
|
||||
ptr = RHS(branch, 0);
|
||||
for(ptr = RHS(branch, 0)->next; ptr != branch; ptr = ptr->next) {
|
||||
if (ptr->op != OP_COPY) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue