/*
?*??ARMv4?code?generator?for?TCC
?*?
?*??Copyright?（c）?2003?Daniel?Gl鯿kner
?*??Copyright?（c）?2012?Thomas?Preud‘homme
?*
?*??based?on?i386-gen.c?by?Fabrice?Bellard
?*
?*?This?library?is?free?software;?you?can?redistribute?it?and/or
?*?modify?it?under?the?terms?of?the?GNU?Lesser?General?Public
?*?License?as?published?by?the?Free?Software?Foundation;?either
?*?version?2?of?the?License?or?（at?your?option）?any?later?version.
?*
?*?This?library?is?distributed?in?the?hope?that?it?will?be?useful
?*?but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
?*?MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the?GNU
?*?Lesser?General?Public?License?for?more?details.
?*
?*?You?should?have?received?a?copy?of?the?GNU?Lesser?General?Public
?*?License?along?with?this?library;?if?not?write?to?the?Free?Software
?*?Foundation?Inc.?59?Temple?Place?Suite?330?Boston?MA??02111-1307??USA
?*/

#ifdef?TARGET_DEFS_ONLY

#ifdef?TCC_ARM_EABI
#ifndef?TCC_ARM_VFP?//?Avoid?useless?warning
#define?TCC_ARM_VFP
#endif
#endif

/*?number?of?available?registers?*/
#ifdef?TCC_ARM_VFP
#define?NB_REGS????????????13
#else
#define?NB_REGS?????????????9
#endif

#ifndef?TCC_ARM_VERSION
#?define?TCC_ARM_VERSION?5
#endif

/*?a?register?can?belong?to?several?classes.?The?classes?must?be
???sorted?from?more?general?to?more?precise?（see?gv2（）?code?which?does
???assumptions?on?it）.?*/
#define?RC_INT?????0x0001?/*?generic?integer?register?*/
#define?RC_FLOAT???0x0002?/*?generic?float?register?*/
#define?RC_R0??????0x0004
#define?RC_R1??????0x0008?
#define?RC_R2??????0x0010
#define?RC_R3??????0x0020
#define?RC_R12?????0x0040
#define?RC_F0??????0x0080
#define?RC_F1??????0x0100
#define?RC_F2??????0x0200
#define?RC_F3??????0x0400
#ifdef?TCC_ARM_VFP
#define?RC_F4??????0x0800
#define?RC_F5??????0x1000
#define?RC_F6??????0x2000
#define?RC_F7??????0x4000
#endif
#define?RC_IRET????RC_R0??/*?function?return:?integer?register?*/
#define?RC_LRET????RC_R1??/*?function?return:?second?integer?register?*/
#define?RC_FRET????RC_F0??/*?function?return:?float?register?*/

/*?pretty?names?for?the?registers?*/
enum?{
????TREG_R0?=?0
????TREG_R1
????TREG_R2
????TREG_R3
????TREG_R12
????TREG_F0
????TREG_F1
????TREG_F2
????TREG_F3
#ifdef?TCC_ARM_VFP
????TREG_F4
????TREG_F5
????TREG_F6
????TREG_F7
#endif
};

#ifdef?TCC_ARM_VFP
#define?T2CPR（t）?（（（t）?&?VT_BTYPE）?!=?VT_FLOAT???0x100?:?0）
#endif

/*?return?registers?for?function?*/
#define?REG_IRET?TREG_R0?/*?single?word?int?return?register?*/
#define?REG_LRET?TREG_R1?/*?second?word?return?register?（for?long?long）?*/
#define?REG_FRET?TREG_F0?/*?float?return?register?*/

#ifdef?TCC_ARM_EABI
#define?TOK___divdi3?TOK___aeabi_ldivmod
#define?TOK___moddi3?TOK___aeabi_ldivmod
#define?TOK___udivdi3?TOK___aeabi_uldivmod
#define?TOK___umoddi3?TOK___aeabi_uldivmod
#endif

/*?defined?if?function?parameters?must?be?evaluated?in?reverse?order?*/
#define?INVERT_FUNC_PARAMS

/*?defined?if?structures?are?passed?as?pointers.?Otherwise?structures
???are?