From 342d0ac3c95225ba2ddeabf41f0f8f3dec9b9cb6 Mon Sep 17 00:00:00 2001 From: Bernhard Urban Date: Wed, 5 May 2010 14:54:19 +0200 Subject: [PATCH] codea: mehr generisch --- codea/code.bfe | 34 ++++++++++++++++++++++++++-------- 1 file changed, 26 insertions(+), 8 deletions(-) diff --git a/codea/code.bfe b/codea/code.bfe index 03e2111..cd30f85 100644 --- a/codea/code.bfe +++ b/codea/code.bfe @@ -13,6 +13,25 @@ #include "tree.h" #include "chelper.h" +void gen_e_eno(struct treenode *bnode, char *instr) +{ + KIDREG2PARM(1); + printf("\t%s %%%s, %%%s\n", instr, KID_REG(1), KID_REG(0)); +} + +void gen_e_imm(struct treenode *bnode, char *instr) +{ + printf("\t%s $%li, %%%s\n", instr, KID_VAL(1), KID_REG(0)); + move(KID_REG(0), BN_REG); +} + +void gen_imm_eno(struct treenode *bnode, char *instr) +{ + moveimm(KID_VAL(0), BN_REG); + KIDREG2PARM(1); + printf("\tsubq %%%s, %%%s\n", KID_REG(1), BN_REG); +} + %} %start begin @@ -26,16 +45,15 @@ ret: O_RET(expr) # 2 # move(BN_REG, "rax"); func_footer(); expr: O_ID # 1 # if(bnode->param_index > -1) move(param_reg(bnode->param_index), BN_REG); expr: imm # 1 # moveimm(BN_VAL, BN_REG); -expr: O_SUB(expr,exprno) # 1 # KIDREG2PARM(1); printf("\tsubq %%%s, %%%s\n", KID_REG(1), KID_REG(0)); -expr: O_SUB(expr,imm) # 2 # printf("\tsubq $%li, %%%s\n", KID_VAL(1), KID_REG(0)); move(KID_REG(0), BN_REG); -expr: O_SUB(imm,exprno) # 3 # moveimm(KID_VAL(0), BN_REG); KIDREG2PARM(1); printf("\tsubq %%%s, %%%s\n", KID_REG(1), BN_REG); +expr: O_SUB(expr,exprno) # 1 # gen_e_eno(bnode, "subq"); +expr: O_SUB(expr,imm) # 2 # gen_e_imm(bnode, "subq"); +expr: O_SUB(imm,exprno) # 3 # gen_imm_eno(bnode, "subq"); -expr: O_ADD(expr,exprno) # 1 # KIDREG2PARM(1); printf("\taddq %%%s, %%%s\n", KID_REG(1), KID_REG(0)); -expr: O_ADD(imm,expr) # 1 # printf("\taddq $%li, %%%s\n", KID_VAL(1), KID_REG(0)); move(KID_REG(0), BN_REG); +expr: O_ADD(expr,exprno) # 1 # gen_e_eno(bnode, "addq"); +expr: O_ADD(imm,expr) # 2 # gen_e_imm(bnode, "addq"); -expr: O_MUL(expr,exprno) # 1 # KIDREG2PARM(1); printf("\timulq %%%s, %%%s\n", KID_REG(1), KID_REG(0)); -expr: O_MUL(expr,imm) # 2 # printf("\timulq $%li, %%%s\n", KID_VAL(1), KID_REG(0)); move(KID_REG(0), BN_REG); -expr: O_MUL(imm,exprno) # 3 # moveimm(KID_VAL(0), BN_REG); KIDREG2PARM(1); printf("\timulq %%%s, %%%s\n", KID_REG(1), BN_REG); +expr: O_MUL(expr,exprno) # 1 # gen_e_eno(bnode, "imulq"); +expr: O_MUL(expr,imm) # 2 # gen_e_imm(bnode, "imulq"); exprno: O_ID # 0 # /* brauchen wir nicht 'zwischenlagern', weil nur gelesen wird */ exprno: expr -- 2.25.1