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sh2 drc: moved host register assignment to code emitters, minor bugfixing

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This commit is contained in:
kub 2019-11-09 10:24:52 +01:00
parent 7e940f142e
commit 9bd6706dca
12 changed files with 174 additions and 250 deletions
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16
cpu/drc/emit_arm64.c
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@ -6,8 +6,16 @@
* See COPYING file in the top-level directory.
*/
#define HOST_REGS 32
#define CONTEXT_REG 19
// AAPCS64: params: r0-r7, return: r0-r1, temp: r8-r17, saved: r19-r29
// reserved: r18 (for platform use)
#define RET_REG 0
#define PARAM_REGS { 0, 1, 2, 3, 4, 5, 6, 7 }
#define PRESERVED_REGS { 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 }
#define TEMPORARY_REGS { 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 }
#define CONTEXT_REG 29
#define STATIC_SH2_REGS { SHR_SR,28 , SHR_R0,27 , SHR_R0+1,26 }
// R31 doesn't exist, it aliases either with zero or SP
#define SP 31 // stack pointer
@ -100,9 +108,9 @@ enum { XT_UXTW=0x4, XT_UXTX=0x6, XT_LSL=0x7, XT_SXTW=0xc, XT_SXTX=0xe };
#define A64_NEGS_REG(rd, rm, stype, simm) \
A64_SUBS_REG(rd,Z0,rm,stype,simm)
#define A64_NEGC_REG(rd, rm) \
A64_SBC_REG(rd,Z0,rm,stype,simm)
A64_SBC_REG(rd,Z0,rm)
#define A64_NEGCS_REG(rd, rm) \
A64_SBCS_REG(rd,Z0,rm,stype,simm)
A64_SBCS_REG(rd,Z0,rm)
#define A64_CMP_REG(rn, rm, stype, simm) \
A64_SUBS_REG(Z0, rn, rm, stype, simm)
#define A64_CMN_REG(rn, rm, stype, simm) \
@ -145,7 +153,7 @@ enum { XT_UXTW=0x4, XT_UXTX=0x6, XT_LSL=0x7, XT_SXTW=0xc, XT_SXTX=0xe };
A64_INSN(0xd,OP_ADD &3,0x0,_,rm,_,_,rn,rd)
#define A64_ADCS_REG(rd, rn, rm) \
A64_INSN(0xd,OP_ADDS&3,0x0,_,rm,_,_,rn,rd)
#define A64_SBC_REG(rd, rn, rm, s) \
#define A64_SBC_REG(rd, rn, rm) \
A64_INSN(0xd,OP_SUB &3,0x0,_,rm,_,_,rn,rd)
#define A64_SBCS_REG(rd, rn, rm) \
A64_INSN(0xd,OP_SUBS&3,0x0,_,rm,_,_,rn,rd)