From 0bec4f557a96e1a40437cf5af20cc78a5eec8a63 Mon Sep 17 00:00:00 2001
From: Ash Wolf <ninji@wuffs.org>
Date: Wed, 11 Jan 2023 22:29:53 +0000
Subject: getting closer

---
 compiler_and_linker/unsorted/LoopOptimization.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

(limited to 'compiler_and_linker/unsorted/LoopOptimization.c')

diff --git a/compiler_and_linker/unsorted/LoopOptimization.c b/compiler_and_linker/unsorted/LoopOptimization.c
index c2a360f..9db7c53 100644
--- a/compiler_and_linker/unsorted/LoopOptimization.c
+++ b/compiler_and_linker/unsorted/LoopOptimization.c
@@ -175,7 +175,7 @@ static void skiplooptest(Loop *loop) {
         loop->bodySize--;
     }
 
-    for (instr = instr->nextPCode; instr && !(instr->flags & fPCodeFlag1); instr = instr->nextPCode)
+    for (instr = instr->nextPCode; instr && !(instr->flags & fIsBranch); instr = instr->nextPCode)
         insertpcodebefore(loop->preheader->lastPCode, copypcode(instr));
 }
 
@@ -206,7 +206,7 @@ static void unrollloop(Loop *loop) {
         if (firstInstr->op != PC_CMP && firstInstr->op != PC_CMPL && firstInstr->op != PC_CMPI && firstInstr->op != PC_CMPLI)
             CError_FATAL(450);
 
-        for (instr = firstInstr->nextPCode; instr && !(instr->flags & fPCodeFlag1); instr = instr->nextPCode)
+        for (instr = firstInstr->nextPCode; instr && !(instr->flags & fIsBranch); instr = instr->nextPCode)
             appendpcode(newBlock, copypcode(instr));
 
         for (block = loop->preheader->successors->block; block != loop->body; block = block->successors->block) {
@@ -384,7 +384,7 @@ static void unrollloopconditional(Loop *loop) {
 
         for (j = 0; j < inputBlockCount; j++) {
             for (instr = blocks[j]->firstPCode; instr; instr = instr->nextPCode) {
-                if (instr->flags & fPCodeFlag1) {
+                if (instr->flags & fIsBranch) {
                     PCodeArg *op;
                     int opID;
                     instrCopy = copypcode(instr);
@@ -425,7 +425,7 @@ static void unrollloopconditional(Loop *loop) {
         if (firstInstr->op != PC_CMP && firstInstr->op != PC_CMPL && firstInstr->op != PC_CMPI && firstInstr->op != PC_CMPLI)
             CError_FATAL(764);
 
-        for (instr = firstInstr->nextPCode; instr && !(instr->flags & fPCodeFlag1); instr = instr->nextPCode)
+        for (instr = firstInstr->nextPCode; instr && !(instr->flags & fIsBranch); instr = instr->nextPCode)
             appendpcode(blocks2[inputBlockCount - 1], copypcode(instr));
 
         for (j = 0; j < inputBlockCount; j++) {
@@ -465,7 +465,7 @@ static void unrollloopconditional(Loop *loop) {
 
     for (i = 0; i < inputBlockCount; i++) {
         for (instr = blocks[i]->firstPCode; instr; instr = instr->nextPCode) {
-            if (instr->flags & fPCodeFlag1) {
+            if (instr->flags & fIsBranch) {
                 PCodeArg *op;
                 int opID;
                 op = NULL;
@@ -1293,7 +1293,7 @@ void changearraytoregisters(void) {
     if ((arrays = scanforlocalarrays())) {
         for (block = pcbasicblocks; block; block = block->nextBlock) {
             for (instr = block->firstPCode; instr; instr = instr->nextPCode) {
-                if (!(instr->flags & fPCodeFlag1) && instr->argCount) {
+                if (!(instr->flags & fIsBranch) && instr->argCount) {
                     op = instr->args;
                     i = instr->argCount;
                     while (i--) {
@@ -1304,7 +1304,7 @@ void changearraytoregisters(void) {
                             !array->invalid
                             ) {
                             if (
-                                (instr->flags & (fPCodeFlag2 | fPCodeFlag4)) &&
+                                (instr->flags & (fIsRead | fIsWrite)) &&
                                 (op->data.mem.offset % array->elementSize) == 0 &&
                                 op->data.mem.offset < array->arraySize
                                 ) {
@@ -1460,9 +1460,9 @@ void changearraytoregisters(void) {
             for (block = pcbasicblocks; block; block = block->nextBlock) {
                 for (instr = block->firstPCode; instr; instr = instr->nextPCode) {
                     if (
-                        !(instr->flags & fPCodeFlag1) &&
+                        !(instr->flags & fIsBranch) &&
                         instr->argCount &&
-                        (instr->flags & (fPCodeFlag2 | fPCodeFlag4)) &&
+                        (instr->flags & (fIsRead | fIsWrite)) &&
                         instr->args[2].kind == PCOp_MEMORY &&
                         (PCOpMemoryArg) instr->args[2].arg == PCOpMemory1 &&
                         (array = lookup_array_object(arrays, instr->args[2].data.mem.obj)) &&
-- 
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