From 9a2b4dc849e36fcf295f333f951e28b2000deaa9 Mon Sep 17 00:00:00 2001 From: cuz Date: Wed, 8 Oct 2003 21:23:39 +0000 Subject: [PATCH] Handle more opcodes in OptCmp2 git-svn-id: svn://svn.cc65.org/cc65/trunk@2482 b7a2c559-68d2-44c3-8de9-860c34a00d81 --- src/cc65/coptcmp.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/src/cc65/coptcmp.c b/src/cc65/coptcmp.c index 012291e9a..91f929b5d 100644 --- a/src/cc65/coptcmp.c +++ b/src/cc65/coptcmp.c @@ -6,9 +6,9 @@ /* */ /* */ /* */ -/* (C) 2001-2002 Ullrich von Bassewitz */ -/* Wacholderweg 14 */ -/* D-70597 Stuttgart */ +/* (C) 2001-2003 Ullrich von Bassewitz */ +/* Römerstrasse 52 */ +/* D-70794 Filderstadt */ /* EMail: uz@cc65.org */ /* */ /* */ @@ -236,7 +236,7 @@ unsigned OptBoolTrans (CodeSeg* S) /* Check for a boolean transformer */ if (E->OPC == OP65_JSR && (Cond = FindBoolCmpCond (E->Arg)) != CMP_INV && - (N = CS_GetNextEntry (S, I)) != 0 && + (N = CS_GetNextEntry (S, I)) != 0 && (N->Info & OF_ZBRA) != 0) { /* Make the boolean transformer unnecessary by changing the @@ -306,7 +306,7 @@ unsigned OptCmp1 (CodeSeg* S) if (E->OPC == OP65_STX && !CS_RangeHasLabel (S, I+1, 2) && CS_GetEntries (S, L, I+1, 2) && - L[0]->OPC == OP65_STX && + L[0]->OPC == OP65_STX && strcmp (L[0]->Arg, "tmp1") == 0 && L[1]->OPC == OP65_ORA && strcmp (L[1]->Arg, "tmp1") == 0) { @@ -361,22 +361,24 @@ unsigned OptCmp2 (CodeSeg* S) /* Check for the sequence */ if ((L[0]->OPC == OP65_ADC || L[0]->OPC == OP65_AND || + L[0]->OPC == OP65_ASL || L[0]->OPC == OP65_DEA || L[0]->OPC == OP65_EOR || L[0]->OPC == OP65_INA || L[0]->OPC == OP65_LDA || + L[0]->OPC == OP65_LSR || L[0]->OPC == OP65_ORA || L[0]->OPC == OP65_PLA || L[0]->OPC == OP65_SBC || L[0]->OPC == OP65_TXA || L[0]->OPC == OP65_TYA) && !CS_RangeHasLabel (S, I+1, 2) && - CS_GetEntries (S, L+1, I+1, 2) && + CS_GetEntries (S, L+1, I+1, 2) && L[1]->OPC == OP65_CMP && CE_KnownImm (L[1]) && L[1]->Num == 0) { - /* Check for the call to boolxx. We cannot remove the compare if + /* Check for the call to boolxx. We only remove the compare if * the carry flag is evaluated later, because the load will not * set the carry flag. */ -- 2.39.5