Macintosh-Tools/macemu
1
0
Fork 0
mirror of https://github.com/kanjitalk755/macemu.git synced 2025-01-27 07:30:12 +00:00
Code Issues Projects Releases Wiki Activity

Enable RIP-relative addressing, optimize REX conditions processing in

Browse Source 
! X86_FLAT_REGISTERS mode, fix __REX_mem encodings (e.g. POPLm)
This commit is contained in:
gbeauche 2004-11-08 20:48:19 +00:00
parent 1e4fcc21bf
commit 0ba075050c
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
BasiliskII/src/uae_cpu/compiler/codegen_x86.h
View File

@ -72,7 +72,7 @@
/* Define to optimize absolute addresses for RIP relative addressing. */
#ifndef X86_RIP_RELATIVE_ADDR
#define X86_RIP_RELATIVE_ADDR 0
#define X86_RIP_RELATIVE_ADDR 1
#endif
@ -193,10 +193,16 @@ enum {
#define _r0P(R) ((int)(R) == (int)X86_NOREG)
#define _rIP(R) ((int)(R) == (int)X86_RIP)
#if X86_FLAT_REGISTERS
#define _rC(R) ((R) & 0xf0)
#define _rR(R) ((R) & 0x0f)
#define _rN(R) ((R) & 0x07)
#define _rXP(R) ((R) > 0 && _rR(R) > 7)
#else
#define _rN(R) ((R) & 0x07)
#define _rR(R) (int(R))
#define _rXP(R) (int(R) > 7)
#endif
#if !defined(_ASM_SAFETY) || ! X86_FLAT_REGISTERS
#define _r1(R) _rN(R)
@ -484,7 +490,7 @@ typedef unsigned int _ul;
#define __REXwrx_(L,W,R,X,MR) (__REXwrxb(L,W,R,X,_BIT(_rIP(MR)?0:_rXP(MR))))
#define __REXw_x_(L,W,R,X,MR) (__REXwrx_(L,W,_BIT(_rXP(R)),X,MR))
#define __REX_reg(RR) (__REXwrxb(0,0,0,00,_BIT(_rXP(RR))))
#define __REX_mem(MB,MI) (__REXwrxb(0,0,0,_BIT(_rXP(MI)),MB))
#define __REX_mem(MB,MI) (__REXwrxb(0,0,0,_BIT(_rXP(MI)),_BIT(_rXP(MB))))
// FIXME: can't mix new (SPL,BPL,SIL,DIL) with (AH,BH,CH,DH)
#define _REXBrr(RR,MR) _m64(__REXw_x_(_r1e8lP(RR)||_r1e8lP(MR),0,RR,0,MR))