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Add x64 call argument setup. More 32/64 bit cleanups in assembler.

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This commit is contained in:
Mike Pall
2010-02-25 03:35:07 +01:00
parent b95294572c
commit 3c6cec0846
2 changed files with 79 additions and 47 deletions
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26
src/lj_target_x86.h
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@@ -78,14 +78,27 @@ enum {
/* Windows x64 ABI. */
#define RSET_SCRATCH \
(RSET_ACD|RSET_RANGE(RID_R8D, RID_R11D+1)|RSET_RANGE(RID_XMM0, RID_XMM5+1))
#define REGARG_GPRS \
(RID_ECX|((RID_EDX|((RID_R8D|(RID_R9D<<5))<<5))<<5))
#define REGARG_FIRSTFPR RID_XMM0
#define REGARG_LASTFPR RID_XMM3
#define STACKARG_OFS (4*8)
#else
/* The rest of the civilized x64 world has a common ABI. */
#define RSET_SCRATCH \
(RSET_ACD|RSET_RANGE(RID_ESI, RID_R11D+1)|RSET_FPR)
#define REGARG_GPRS \
(RID_EDI|((RID_ESI|((RID_EDX|((RID_ECX|((RID_R8D|(RID_R9D \
<<5))<<5))<<5))<<5))<<5))
#define REGARG_FIRSTFPR RID_XMM0
#define REGARG_LASTFPR RID_XMM7
#define STACKARG_OFS 0
#endif
#else
/* Common x86 ABI. */
#define RSET_SCRATCH (RSET_ACD|RSET_FPR)
#define REGARG_GPRS (RID_ECX|(RID_EDX<<5)) /* Fastcall only. */
#define STACKARG_OFS 0
#endif
#if LJ_64
@@ -96,23 +109,26 @@ enum {
/* -- Spill slots --------------------------------------------------------- */
/* Available fixed spill slots in interpreter frame.
/* Spill slots are 32 bit wide. An even/odd pair is used for FPRs.
**
** SPS_FIXED: Available fixed spill slots in interpreter frame.
** This definition must match with the *.dasc file(s).
**
** SPS_FIRST: First spill slot for general use. Reserve min. two 32 bit slots.
*/
#if LJ_64
#ifdef _WIN64
#define SPS_FIXED (5*2)
#define SPS_FIRST (4*2) /* Don't use callee register save area. */
#else
#define SPS_FIXED 2
#define SPS_FIRST 2
#endif
#else
#define SPS_FIXED 6
#define SPS_FIRST 2
#endif
/* First spill slot for general use. Reserve one 64 bit slot. */
#define SPS_FIRST 2
/* Spill slots are 32 bit wide. An even/odd pair is used for FPRs. */
#define sps_scale(slot) (4 * (int32_t)(slot))
/* -- Exit state ---------------------------------------------------------- */