From 94de1571205ca3c91d91ee35e8dec80b953257f2 Mon Sep 17 00:00:00 2001 From: Bernhard Urban Date: Mon, 7 Jun 2010 20:47:18 +0200 Subject: [PATCH] codeb: (opt) backport von feld optimierung --- codeb/code.bfe | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/codeb/code.bfe b/codeb/code.bfe index 8615fab..b141181 100644 --- a/codeb/code.bfe +++ b/codeb/code.bfe @@ -182,6 +182,20 @@ void assign_var(struct treenode *bnode) printf("\tsub $%d, %%%s\n", KIDKID_VAL(0,1), KID_REG(1)); } +void gen_sub_field(struct treenode *bnode) +{ + /* siehe intelli_03.0 @ gesamt */ + printf("\t//gen_sub_field\n"); + KIDKIDREG2PARM(1,0); + if(!(strcmp(bnode->kids[0]->kids[0]->kids[0]->name, bnode->kids[1]->kids[0]->name) == 0 && + bnode->kids[0]->kids[0]->soffset == bnode->kids[1]->soffset)) { + KIDKIDKIDREG2PARM(0,0,0); + printf("\tmov %d(%%%s), %%%s\n", bnode->kids[0]->kids[0]->soffset * 8, KIDKIDKID_REG(0,0,0), BN_REG); + printf("\tmov %%%s, %d(%%%s)\n", BN_REG, bnode->kids[1]->soffset * 8, KIDKID_REG(1,0)); + } + printf("\tsub $%d, %d(%%%s)\n", bnode->kids[0]->kids[1]->val, bnode->kids[1]->soffset * 8, KIDKID_REG(1,0)); +} + %} %start begin @@ -202,6 +216,7 @@ assign: O_ASSIGN(O_SUB(O_ID,O_NUM), O_ID) # 1 # assign_var(bnode); assign: O_ASSIGN(expr, O_FIELD(expr)) # 1 # KIDKIDREG2PARM(1,0); printf("\tmovq %%%s, %d(%%%s)\n", BN_REG, bnode->kids[1]->soffset * 8, KIDKID_REG(1,0)); assign: O_ASSIGN(O_ID, O_FIELD(expr)) # 1 # KIDREG2PARM(0); KIDKIDREG2PARM(1,0); printf("\tmovq %%%s, %d(%%%s)\n", KID_REG(0), bnode->kids[1]->soffset * 8, KIDKID_REG(1,0)); +assign: O_ASSIGN(O_SUB(O_FIELD(O_ID), imm), O_FIELD(O_ID)) # 1 # gen_sub_field(bnode); ifstat: O_IF(O_ID) # 1 # /* fuer faelle wie "if bla then" noetig */ KIDREG2PARM(0); printf("\ttest $-1, %%%s\n", KID_REG(0)); -- 2.25.1