#define REG_RA 31 /* return address */
#define REG_SP 29 /* stack pointer */
-#define REG_PV 25 /* procedure vector, must be provided by caller */
-#define REG_METHODPTR 24 /* pointer to the place from where the procedure */
+#define REG_PV 28 /* procedure vector, must be provided by caller */
+#define REG_METHODPTR 25 /* pointer to the place from where the procedure */
/* vector has been fetched */
#define REG_ITMP1_XPTR 1 /* exception pointer = temporary register 1 */
#define REG_ITMP2_XPC 3 /* exception pc = temporary register 2 */
REG_RES, REG_RES, REG_RET, REG_RES, REG_ARG, REG_ARG, REG_ARG, REG_ARG,
REG_ARG, REG_ARG, REG_ARG, REG_ARG, REG_TMP, REG_TMP, REG_TMP, REG_TMP,
REG_SAV, REG_SAV, REG_SAV, REG_SAV, REG_SAV, REG_SAV, REG_SAV, REG_SAV,
- REG_RES, REG_RES, REG_RES, REG_RES, REG_SAV, REG_RES, REG_SAV, REG_RES,
+ REG_TMP, REG_RES, REG_RES, REG_RES, REG_RES, REG_RES, REG_SAV, REG_RES,
REG_END };
-#define INT_SAV_CNT 10 /* number of int callee saved registers */
+#define INT_SAV_CNT 9 /* number of int callee saved registers */
#define INT_ARG_CNT 8 /* number of int argument registers */
/* for use of reserved registers, see comment above */
#define M_ITYPE(op, rs, rt, imm)\
- *(mcodeptr++) = (((op)<<26)|((rs)<<21)|((rt)<<16)|((off)&0xffff))
+ *(mcodeptr++) = (((op)<<26)|((rs)<<21)|((rt)<<16)|((imm)&0xffff))
#define M_JTYPE(op, imm)\
*(mcodeptr++) = (((op)<<26)|((off)&0x3ffffff))
#define M_RTYPE(op, rs, rt, rd, sa, fu)\
- *(mcodeptr++) = (((op)<<26)|((rs)<<21)|((rt)<<16)|((rd)<<11)|((sa)<<6)|(fu)
+ *(mcodeptr++) = (((op)<<26)|((rs)<<21)|((rt)<<16)|((rd)<<11)|((sa)<<6)|(fu))
#define M_FP2(fu, fmt, fs, fd) M_RTYPE(0x11, fmt, 0, fs, fd, fu)
#define M_FP3(fu, fmt, fs, ft, fd) M_RTYPE(0x11, fmt, ft, fs, fd, fu)
#define M_FST(a,b,disp) M_ITYPE(0x39,b,a,disp) /* store flt */
#define M_DST(a,b,disp) M_ITYPE(0x3d,b,a,disp) /* store dbl */
-/*
- * Load Address pseudo instruction:
- * -n32 addressing mode -> 32 bit addrs, -64 addressing mode -> 64 bit addrs
- */
-#if POINTERSIZE==8
-#define POINTERSHIFT 3
-#define M_ALD(a,b,disp) M_LLD(a,b,disp)
-#define M_AST(a,b,disp) M_LST(a,b,disp)
-#else
-#define POINTERSHIFT 2
-#define M_ALD(a,b,disp) M_ILD(a,b,disp)
-#define M_AST(a,b,disp) M_IST(a,b,disp)
-#endif
-
#define M_BEQ(a,b,disp) M_ITYPE(0x04,a,b,disp) /* br a == b */
#define M_BNE(a,b,disp) M_ITYPE(0x05,a,b,disp) /* br a != b */
#define M_BEQZ(a,disp) M_ITYPE(0x04,a,0,disp) /* br a == 0 */
#define M_MFLO(a) M_RTYPE(0,0,0,a,0,0x12) /* quotient */
#define M_MFHI(a) M_RTYPE(0,0,0,a,0,0x10) /* remainder */
-#define M_IADD_IMM(a,b,c) M_ITYPE(0x08,a,c,b) /* 32 add */
-#define M_LADD_IMM(a,b,c) M_ITYPE(0x18,a,c,b) /* 64 add */
-#define M_ISUB_IMM(a,b,c) M_ITYPE(0x08,a,c,-(b)) /* 32 sub */
-#define M_LSUB_IMM(a,b,c) M_ITYPE(0x18,a,c,-(b)) /* 64 sub */
+#define M_IADD_IMM(a,b,c) M_ITYPE(0x09,a,c,b) /* 32 add */
+#define M_LADD_IMM(a,b,c) M_ITYPE(0x19,a,c,b) /* 64 add */
+#define M_ISUB_IMM(a,b,c) M_ITYPE(0x09,a,c,-(b)) /* 32 sub */
+#define M_LSUB_IMM(a,b,c) M_ITYPE(0x19,a,c,-(b)) /* 64 sub */
-#define M_LDA(a,b,disp) M_LADD_IMM(b,disp,a) /* a = b+disp */
+#define M_LUI(a,imm) M_ITYPE(0x0f,0,a,imm) /* a = imm<<16*/
#define M_CMPLT(a,b,c) M_RTYPE(0,a,b,c,0,0x2a) /* c = a < b */
#define M_CMPGT(a,b,c) M_RTYPE(0,b,a,c,0,0x2a) /* c = a > b */
#define M_OR_IMM( a,b,c) M_ITYPE(0x0d,a,c,b) /* c = a | b */
#define M_XOR_IMM(a,b,c) M_ITYPE(0x0e,a,c,b) /* c = a ^ b */
-#define M_MOV(a,c) M_OR(a,a,c) /* c = a */
-#define M_CLR(c) M_OR(0,0,c) /* c = 0 */
-#define M_NOP M_OR(0,0,0) /* ; */
+#define M_CZEXT(a,c) M_AND_IMM(a,0xffff,c) /* c = zext(a)*/
#define M_ISLL(a,b,c) M_RTYPE(0,b,a,c,0,0x04) /* c = a << b */
#define M_ISRL(a,b,c) M_RTYPE(0,b,a,c,0,0x06) /* c = a >>>b */
#define M_LSRL(a,b,c) M_RTYPE(0,b,a,c,0,0x16) /* c = a >>>b */
#define M_LSRA(a,b,c) M_RTYPE(0,b,a,c,0,0x17) /* c = a >> b */
-#define M_ISLL_IMM(a,b,c) M_RTYPE(0,0,a,c,b&1f,0x00) /* c = a << b */
-#define M_ISRL_IMM(a,b,c) M_RTYPE(0,0,a,c,b&1f,0x02) /* c = a >>>b */
-#define M_ISRA_IMM(a,b,c) M_RTYPE(0,0,a,c,b&1f,0x03) /* c = a >> b */
-#define M_LSLL_IMM(a,b,c) M_RTYPE(0,0,a,c,b&1f,0x38+4*(b&x020)) /* c = a << b */
-#define M_LSRL_IMM(a,b,c) M_RTYPE(0,0,a,c,b&1f,0x3a+4*(b&x020)) /* c = a >>>b */
-#define M_LSRA_IMM(a,b,c) M_RTYPE(0,0,a,c,b&1f,0x3b+4*(b&x020)) /* c = a >> b */
+#define M_ISLL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x00) /* c = a << b */
+#define M_ISRL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x02) /* c = a >>>b */
+#define M_ISRA_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x03) /* c = a >> b */
+#define M_LSLL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x38+4*((b)&32)) /*c = a << b*/
+#define M_LSRL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x3a+4*((b)&32)) /*c = a >>>b*/
+#define M_LSRA_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x3b+4*((b)&32)) /*c = a >> b*/
+
+#define M_MOV(a,c) M_OR(a,0,c) /* c = a */
+#define M_CLR(c) M_OR(0,0,c) /* c = 0 */
+#define M_NOP M_ISLL_IMM(0,0,0) /* ; */
/* floating point macros use the form OPERATION(source, source, dest) */
#define M_FLOORFL(a,c) M_FP2(0x0b,FMT_F,a,c) /* flt truncl */
#define M_FLOORDL(a,c) M_FP2(0x0b,FMT_D,a,c) /* dbl truncl */
-#define M_CVTDF(b,c) M_FP2(0x20,FMT_D,a,c) /* dbl2flt */
-#define M_CVTIF(b,c) M_FP2(0x20,FMT_I,a,c) /* int2flt */
-#define M_CVTLF(b,c) M_FP2(0x20,FMT_L,a,c) /* long2flt */
-#define M_CVTFD(b,c) M_FP2(0x21,FMT_F,a,c) /* flt2dbl */
-#define M_CVTID(b,c) M_FP2(0x21,FMT_I,a,c) /* int2dbl */
-#define M_CVTLD(b,c) M_FP2(0x21,FMT_L,a,c) /* long2dbl */
-#define M_CVTFI(b,c) M_FP2(0x24,FMT_F,a,c) /* flt2int */
-#define M_CVTDI(b,c) M_FP2(0x24,FMT_D,a,c) /* dbl2int */
-#define M_CVTFL(b,c) M_FP2(0x25,FMT_F,a,c) /* flt2long */
-#define M_CVTDL(b,c) M_FP2(0x25,FMT_D,a,c) /* dbl2long */
+#define M_CVTDF(a,c) M_FP2(0x20,FMT_D,a,c) /* dbl2flt */
+#define M_CVTIF(a,c) M_FP2(0x20,FMT_I,a,c) /* int2flt */
+#define M_CVTLF(a,c) M_FP2(0x20,FMT_L,a,c) /* long2flt */
+#define M_CVTFD(a,c) M_FP2(0x21,FMT_F,a,c) /* flt2dbl */
+#define M_CVTID(a,c) M_FP2(0x21,FMT_I,a,c) /* int2dbl */
+#define M_CVTLD(a,c) M_FP2(0x21,FMT_L,a,c) /* long2dbl */
+#define M_CVTFI(a,c) M_FP2(0x24,FMT_F,a,c) /* flt2int */
+#define M_CVTDI(a,c) M_FP2(0x24,FMT_D,a,c) /* dbl2int */
+#define M_CVTFL(a,c) M_FP2(0x25,FMT_F,a,c) /* flt2long */
+#define M_CVTDL(a,c) M_FP2(0x25,FMT_D,a,c) /* dbl2long */
-#define M_MOVDL(d,l) M_FP3(0,1,l,d,0) /* l = d */
-#define M_MOVLD(l,d) M_FP3(0,5,l,d,0) /* d = l */
+#define M_MOVDL(d,l) M_FP3(0,1,d,l,0) /* l = d */
+#define M_MOVLD(l,d) M_FP3(0,5,d,l,0) /* d = l */
#define M_FCMPFF(a,b) M_FP3(0x30,FMT_F,a,b,0) /* c = a == b */
#define M_FCMPFD(a,b) M_FP3(0x30,FMT_D,a,b,0) /* c = a == b */
#define M_FBFL(disp) M_ITYPE(0x11,8,2,disp) /* br false */
#define M_FBTL(disp) M_ITYPE(0x11,8,3,disp) /* br true */
+/*
+ * Load Address pseudo instruction:
+ * -n32 addressing mode -> 32 bit addrs, -64 addressing mode -> 64 bit addrs
+ */
+#if POINTERSIZE==8
+#define POINTERSHIFT 3
+#define M_ALD(a,b,disp) M_LLD(a,b,disp)
+#define M_AST(a,b,disp) M_LST(a,b,disp)
+#define M_AADD(a,b,c) M_LADD(a,b,c)
+#define M_ASLL_IMM(a,b,c) M_LSLL_IMM(a,b,c)
+#define M_LDA(a,b,disp) M_LADD_IMM(b,disp,a) /* a = b+disp */
+#else
+#define POINTERSHIFT 2
+#define M_ALD(a,b,disp) M_ILD(a,b,disp)
+#define M_AST(a,b,disp) M_IST(a,b,disp)
+#define M_AADD(a,b,c) M_IADD(a,b,c)
+#define M_ASLL_IMM(a,b,c) M_ISLL_IMM(a,b,c)
+#define M_LDA(a,b,disp) M_IADD_IMM(b,disp,a) /* a = b+disp */
+#endif
+
/* macros for special commands (see an Alpha-manual for description) **********/
#if 0
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