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authorAsh Wolf <ninji@wuffs.org>2023-01-26 11:30:47 +0000
committerAsh Wolf <ninji@wuffs.org>2023-01-26 11:30:47 +0000
commit094b96ca1df4a035b5f93c351f773306c0241f3f (patch)
tree95ce05e3ebe816c7ee7996206bb37ea17d8ca33c /compiler_and_linker/unsorted/IroSubable.c
parentfc0c4c0df7b583b55a08317cf1ef6a71d27c0440 (diff)
downloadMWCC-main.tar.gz
MWCC-main.zip
move lots of source files around to match their actual placement in the original treemain
Diffstat (limited to 'compiler_and_linker/unsorted/IroSubable.c')
-rw-r--r--compiler_and_linker/unsorted/IroSubable.c160
1 files changed, 0 insertions, 160 deletions
diff --git a/compiler_and_linker/unsorted/IroSubable.c b/compiler_and_linker/unsorted/IroSubable.c
deleted file mode 100644
index 6b8daf0..0000000
--- a/compiler_and_linker/unsorted/IroSubable.c
+++ /dev/null
@@ -1,160 +0,0 @@
-#include "compiler/IroSubable.h"
-#include "compiler/IroLinearForm.h"
-#include "compiler/IroPropagate.h"
-#include "compiler/IroUtil.h"
-#include "compiler/enode.h"
-#include "compiler/objects.h"
-#include "compiler/types.h"
-
-static Boolean IsSubableOp[MAXEXPR];
-
-void IRO_InitializeIsSubableOpArray(void) {
- int i;
-
- for (i = 0; i < MAXEXPR; i++)
- IsSubableOp[i] = 0;
-
- IsSubableOp[EPOSTINC] = 0;
- IsSubableOp[EPOSTDEC] = 0;
- IsSubableOp[EPREINC] = 0;
- IsSubableOp[EPREDEC] = 0;
- IsSubableOp[EINDIRECT] = 0;
- IsSubableOp[EMONMIN] = 1;
- IsSubableOp[EBINNOT] = 1;
- IsSubableOp[ELOGNOT] = 1;
- IsSubableOp[EFORCELOAD] = 0;
- IsSubableOp[EMUL] = 1;
- IsSubableOp[EMULV] = 1;
- IsSubableOp[EDIV] = 1;
- IsSubableOp[EMODULO] = 1;
- IsSubableOp[EADDV] = 1;
- IsSubableOp[ESUBV] = 1;
- IsSubableOp[EADD] = 1;
- IsSubableOp[ESUB] = 1;
- IsSubableOp[ESHL] = 1;
- IsSubableOp[ESHR] = 1;
- IsSubableOp[ELESS] = 0;
- IsSubableOp[EGREATER] = 0;
- IsSubableOp[ELESSEQU] = 0;
- IsSubableOp[EGREATEREQU] = 0;
- IsSubableOp[EEQU] = 0;
- IsSubableOp[ENOTEQU] = 0;
- IsSubableOp[EAND] = 1;
- IsSubableOp[EXOR] = 1;
- IsSubableOp[EOR] = 1;
- IsSubableOp[ELAND] = 0;
- IsSubableOp[ELOR] = 0;
- IsSubableOp[EASS] = 0;
- IsSubableOp[EMULASS] = 0;
- IsSubableOp[EDIVASS] = 0;
- IsSubableOp[EMODASS] = 0;
- IsSubableOp[EADDASS] = 0;
- IsSubableOp[ESUBASS] = 0;
- IsSubableOp[ESHLASS] = 0;
- IsSubableOp[ESHRASS] = 0;
- IsSubableOp[EANDASS] = 0;
- IsSubableOp[EXORASS] = 0;
- IsSubableOp[EORASS] = 0;
- IsSubableOp[ECOMMA] = 0;
- IsSubableOp[EPMODULO] = 0;
- IsSubableOp[EROTL] = 0;
- IsSubableOp[EROTR] = 0;
- IsSubableOp[EBCLR] = 0;
- IsSubableOp[EBTST] = 0;
- IsSubableOp[EBSET] = 0;
- IsSubableOp[ETYPCON] = 0;
- IsSubableOp[EBITFIELD] = 0;
- IsSubableOp[EINTCONST] = 0;
- IsSubableOp[EFLOATCONST] = 0;
- IsSubableOp[ESTRINGCONST] = 0;
- IsSubableOp[ECOND] = 0;
- IsSubableOp[EFUNCCALL] = 0;
- IsSubableOp[EFUNCCALLP] = 0;
- IsSubableOp[EOBJREF] = 0;
- IsSubableOp[EMFPOINTER] = 0;
- IsSubableOp[ENULLCHECK] = 0;
- IsSubableOp[EPRECOMP] = 0;
- IsSubableOp[ETEMP] = 0;
- IsSubableOp[EARGOBJ] = 0;
- IsSubableOp[ELOCOBJ] = 0;
- IsSubableOp[ELABEL] = 0;
- IsSubableOp[ESETCONST] = 0;
- IsSubableOp[ENEWEXCEPTION] = 0;
- IsSubableOp[ENEWEXCEPTIONARRAY] = 0;
- IsSubableOp[EOBJLIST] = 0;
- IsSubableOp[EMEMBER] = 0;
- IsSubableOp[ETEMPLDEP] = 0;
- IsSubableOp[EINSTRUCTION] = 0;
- IsSubableOp[EDEFINE] = 0;
- IsSubableOp[EREUSE] = 0;
- IsSubableOp[EASSBLK] = 0;
- IsSubableOp[EVECTOR128CONST] = 0;
- IsSubableOp[ECONDASS] = 0;
-}
-
-static int IsSubscript(IROLinear *nd) {
- return 0;
-}
-
-Boolean IRO_IsSubableExpression(IROLinear *nd) {
- Object *varobj;
- Boolean result;
-
- switch (nd->type) {
- case IROLinearOp2Arg:
- if (nd->nodetype == EADD || nd->nodetype == ESUB) {
- if (
- IRO_IsConstant(nd->u.diadic.right) &&
- (varobj = IRO_IsVariable(nd->u.diadic.left)) &&
- varobj->datatype == DLOCAL &&
- varobj->u.var.info &&
- !varobj->u.var.info->noregister)
- return 0;
-
- }
- result = IsSubableOp[nd->nodetype] && !IsSubscript(nd);
- return result;
- case IROLinearOp1Arg:
- if (IsSubableOp[nd->nodetype] && !IsSubscript(nd))
- return 1;
-
- if (nd->nodetype == EINDIRECT && !(nd->flags & IROLF_Assigned)) {
- if (nd->flags & IROLF_Ind) {
- nd = nd->u.monadic;
- if (nd->type == IROLinearOperand &&
- nd->u.node->type == EOBJREF &&
- nd->u.node->data.objref->datatype == DLOCAL &&
- nd->u.node->data.objref->u.var.info &&
- !nd->u.node->data.objref->u.var.info->noregister
- )
- return 0;
- return 1;
- }
-
- if (IRO_IsVariable(nd) && IRO_IsRegable(nd->u.monadic->u.node->data.objref))
- return 0;
- return 1;
- } else if (nd->nodetype == ETYPCON && IS_TYPE_INT(nd->rtype) && nd->rtype->size >= nd->u.monadic->rtype->size) {
- return 1;
- } else {
- return 0;
- }
- case IROLinearOperand:
- default:
- return 0;
- }
-}
-
-Boolean IRO_IsVectorTempCandidate(IROLinear *nd) {
- return
- (
- nd->type == IROLinearOp1Arg ||
- nd->type == IROLinearOp2Arg ||
- nd->type == IROLinearOp3Arg ||
- nd->type == IROLinearOperand ||
- nd->type == IROLinearFunccall
- ) && (
- (nd->flags & IROLF_LoopInvariant) &&
- !(nd->flags & IROLF_Ind)
- );
-}