/* src/vm/jit/powerpc/codegen.h - code generation macros and definitions for
- 32-bit PowerPC
+ 32-bit PowerPC
- Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
- R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
- C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
- Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
+ C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
+ E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
+ J. Wenninger, Institut f. Computersprachen - TU Wien
This file is part of CACAO.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA.
-
- Contact: cacao@complang.tuwien.ac.at
-
- Authors: Andreas Krall
- Stefan Ring
-
- Changes: Christian Thalinger
- Christian Ullrich
-
- $Id: codegen.h 2834 2005-06-26 21:48:11Z christian $
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
*/
#ifndef _CODEGEN_H
#define _CODEGEN_H
+#include "config.h"
+
#include "md-abi.h"
#include "vm/global.h"
+#include "vm/jit/jit.h"
#include "vm/jit/reg.h"
/* additional functions and macros to generate code ***************************/
-
-#if defined(STATISTICS)
-#define COUNT_SPILLS count_spills++
-#else
-#define COUNT_SPILLS
-#endif
-
-
-/* gen_nullptr_check(objreg) */
-
-#define gen_nullptr_check(objreg) \
- if (checknull) { \
- M_TST((objreg)); \
- M_BEQ(0); \
- codegen_addxnullrefs(cd, mcodeptr); \
- }
-
-#define gen_bound_check \
- if (checkbounds) { \
- M_ILD(REG_ITMP3, s1, OFFSET(java_arrayheader, size));\
- M_CMPU(s2, REG_ITMP3);\
- M_BGE(0);\
- codegen_addxboundrefs(cd, mcodeptr, s2); \
- }
-
-
/* MCODECHECK(icnt) */
#define MCODECHECK(icnt) \
- if ((mcodeptr + (icnt)) > cd->mcodeend) \
- mcodeptr = codegen_increase(cd, (u1 *) mcodeptr)
+ do { \
+ if ((cd->mcodeptr + (icnt) * 4) > cd->mcodeend) \
+ codegen_increase(cd); \
+ } while (0)
/* M_INTMOVE:
if a and b are the same int-register, no code will be generated.
*/
-#define M_INTMOVE(a,b) if ((a) != (b)) { M_MOV(a, b); }
-
-#define M_TINTMOVE(t,a,b) \
- if ((t) == TYPE_LNG) { \
- if ((a) <= (b)) \
- M_INTMOVE(GET_LOW_REG((a)), GET_LOW_REG((b))); \
- M_INTMOVE( GET_HIGH_REG((a)), GET_HIGH_REG((b))); \
- if ((a) > (b)) \
- M_INTMOVE(GET_LOW_REG((a)), GET_LOW_REG((b))); \
- } else { \
- M_INTMOVE((a), (b)); \
- }
+#define M_INTMOVE(a,b) \
+ do { \
+ if ((a) != (b)) { \
+ M_MOV(a, b); \
+ } \
+ } while (0)
+
+#define M_LNGMOVE(a,b) \
+ do { \
+ if (GET_HIGH_REG(a) == GET_LOW_REG(b)) { \
+ assert((GET_LOW_REG(a) != GET_HIGH_REG(b))); \
+ M_INTMOVE(GET_HIGH_REG(a), GET_HIGH_REG(b)); \
+ M_INTMOVE(GET_LOW_REG(a), GET_LOW_REG(b)); \
+ } else { \
+ M_INTMOVE(GET_LOW_REG(a), GET_LOW_REG(b)); \
+ M_INTMOVE(GET_HIGH_REG(a), GET_HIGH_REG(b)); \
+ } \
+ } while (0)
/* M_FLTMOVE:
if a and b are the same float-register, no code will be generated
*/
-#define M_FLTMOVE(a,b) if ((a) != (b)) { M_FMOV(a, b); }
+#define M_FLTMOVE(a,b) \
+ do { \
+ if ((a) != (b)) { \
+ M_FMOV(a, b); \
+ } \
+ } while (0)
-/* var_to_reg_xxx:
- this function generates code to fetch data from a pseudo-register
- into a real register.
- If the pseudo-register has actually been assigned to a real
- register, no code will be emitted, since following operations
- can use this register directly.
-
- v: pseudoregister to be fetched from
- tempregnum: temporary register to be used if v is actually spilled to ram
-
- return: the register number, where the operand can be found after
- fetching (this wil be either tempregnum or the register
- number allready given to v)
-*/
-
-#define var_to_reg_int(regnr,v,tempnr) \
- do { \
- if ((v)->flags & INMEMORY) { \
- COUNT_SPILLS; \
- regnr = tempnr; \
- if (IS_2_WORD_TYPE((v)->type)) { \
- M_ILD(GET_HIGH_REG((tempnr)), REG_SP, 4 * (v)->regoff); \
- M_ILD(GET_LOW_REG((tempnr)), REG_SP, 4 * (v)->regoff + 4); \
- } else \
- M_ILD((tempnr), REG_SP, 4 * (v)->regoff); \
- } else { \
- regnr = (v)->regoff; \
- } \
- } while(0)
-
-
-/* fetch only the low part of v, regnr hast to be a single register */
-#define var_to_reg_int_low(regnr,v,tempnr) \
- do { \
- if ((v)->flags & INMEMORY) { \
- COUNT_SPILLS; \
- regnr = tempnr; \
- M_ILD((tempnr), REG_SP, 4 * (v)->regoff + 4); \
- } else { \
- regnr = GET_LOW_REG((v)->regoff); \
- } \
- } while(0)
-
-
-/* fetch only the high part of v, regnr hast to be a single register */
-#define var_to_reg_int_high(regnr,v,tempnr) \
- do { \
- if ((v)->flags & INMEMORY) { \
- COUNT_SPILLS; \
- M_ILD((tempnr), REG_SP, 4 * (v)->regoff); \
- regnr = tempnr; \
- } else { \
- regnr = GET_HIGH_REG((v)->regoff); \
- } \
- } while(0)
-
-
-
-#define var_to_reg_flt(regnr,v,tempnr) { \
- if ((v)->flags & INMEMORY) { \
- COUNT_SPILLS; \
- if ((v)->type==TYPE_DBL) \
- M_DLD(tempnr,REG_SP,4*(v)->regoff); \
- else \
- M_FLD(tempnr,REG_SP,4*(v)->regoff); \
- regnr=tempnr; \
- } else regnr=(v)->regoff; \
-}
-
-
-/* store_reg_to_var_xxx:
- This function generates the code to store the result of an operation
- back into a spilled pseudo-variable.
- If the pseudo-variable has not been spilled in the first place, this
- function will generate nothing.
-
- v ............ Pseudovariable
- tempregnum ... Number of the temporary registers as returned by
- reg_of_var.
-*/
-#define store_reg_to_var_int0(sptr, tempregnum, a, b) { \
- if ((sptr)->flags & INMEMORY) { \
- COUNT_SPILLS; \
- if (a) M_IST(GET_HIGH_REG((tempregnum)), REG_SP, 4 * (sptr)->regoff); \
- if ((b) && IS_2_WORD_TYPE((sptr)->type)) \
- M_IST(GET_LOW_REG((tempregnum)), REG_SP, 4 * (sptr)->regoff + 4); \
- } \
- }
-
-#define store_reg_to_var_int(sptr, tempregnum) \
- store_reg_to_var_int0(sptr, tempregnum, 1, 1)
-
-#define store_reg_to_var_flt(sptr, tempregnum) { \
- if ((sptr)->flags & INMEMORY) { \
- COUNT_SPILLS; \
- if ((sptr)->type==TYPE_DBL) \
- M_DST(tempregnum, REG_SP, 4 * (sptr)->regoff); \
- else \
- M_FST(tempregnum, REG_SP, 4 * (sptr)->regoff); \
- } \
- }
-
-
-#define ICONST(reg,c) \
- if (((c) >= 0 && (c) <= 32767) || ((c) >= -32768 && (c) < 0)) {\
- M_LDA((reg), REG_ZERO, (c)); \
- } else { \
- a = dseg_adds4(cd, c); \
- M_ILD((reg), REG_PV, a); \
- }
+#define ICONST(d,c) emit_iconst(cd, (d), (c))
#define LCONST(reg,c) \
ICONST(GET_HIGH_REG((reg)), (s4) ((s8) (c) >> 32)); \
ICONST(GET_LOW_REG((reg)), (s4) ((s8) (c)));
-#define M_COPY(from,to) \
- d = reg_of_var(rd, to, REG_IFTMP); \
- if ((from->regoff != to->regoff) || \
- ((from->flags ^ to->flags) & INMEMORY)) { \
- if (IS_FLT_DBL_TYPE(from->type)) { \
- var_to_reg_flt(s1, from, d); \
- M_FLTMOVE(s1,d); \
- store_reg_to_var_flt(to, d); \
- }\
- else { \
- var_to_reg_int(s1, from, d); \
- M_TINTMOVE(from->type,s1,d); \
- store_reg_to_var_int(to, d); \
- }\
- }
-
-
#define ALIGNCODENOP \
- if ((s4) ((ptrint) mcodeptr & 7)) { \
+ if ((s4) ((ptrint) cd->mcodeptr & 7)) { \
M_NOP; \
}
+/* branch defines *************************************************************/
+
+#define BRANCH_NOPS \
+ do { \
+ if (CODEGENDATA_HAS_FLAG_LONGBRANCHES(cd)) { \
+ M_NOP; \
+ M_NOP; \
+ } \
+ else { \
+ M_NOP; \
+ } \
+ } while (0)
+
+
+/* patcher defines ************************************************************/
+
+#define PATCHER_CALL_SIZE 1 * 4 /* an instruction is 4-bytes long */
+
+#define PATCHER_NOPS \
+ do { \
+ M_NOP; \
+ } while (0)
+
+
+/* stub defines ***************************************************************/
+
+#define COMPILERSTUB_CODESIZE 4 * 4
+
+
/* macros to create code ******************************************************/
-#define M_OP3(x,y,oe,rc,d,a,b) \
- *(mcodeptr++) = (((x) << 26) | ((d) << 21) | ((a) << 16) | ((b) << 11) | ((oe) << 10) | ((y) << 1) | (rc))
+#define M_OP3(opcode,y,oe,rc,d,a,b) \
+ do { \
+ *((u4 *) cd->mcodeptr) = (((opcode) << 26) | ((d) << 21) | ((a) << 16) | ((b) << 11) | ((oe) << 10) | ((y) << 1) | (rc)); \
+ cd->mcodeptr += 4; \
+ } while (0)
+
+#define M_OP3_GET_A(x) (((x) >> 16) & 0x1f )
+#define M_OP3_GET_B(x) (((x) >> 11) & 0x1f )
+
#define M_OP4(x,y,rc,d,a,b,c) \
- *(mcodeptr++) = (((x) << 26) | ((d) << 21) | ((a) << 16) | ((b) << 11) | ((c) << 6) | ((y) << 1) | (rc))
+ do { \
+ *((u4 *) cd->mcodeptr) = (((x) << 26) | ((d) << 21) | ((a) << 16) | ((b) << 11) | ((c) << 6) | ((y) << 1) | (rc)); \
+ cd->mcodeptr += 4; \
+ } while (0)
+
#define M_OP2_IMM(x,d,a,i) \
- *(mcodeptr++) = (((x) << 26) | ((d) << 21) | ((a) << 16) | ((i) & 0xffff))
+ do { \
+ *((u4 *) cd->mcodeptr) = (((x) << 26) | ((d) << 21) | ((a) << 16) | ((i) & 0xffff)); \
+ cd->mcodeptr += 4; \
+ } while (0)
+
+#define M_INSTR_OP2_IMM_D(x) (((x) >> 21) & 0x1f )
+#define M_INSTR_OP2_IMM_A(x) (((x) >> 16) & 0x1f )
+#define M_INSTR_OP2_IMM_I(x) ( (x) & 0xffff)
-#define M_BRMASK 0x0000fffc /* (((1 << 16) - 1) & ~3) */
-#define M_BRAMASK 0x03fffffc /* (((1 << 26) - 1) & ~3) */
-#define M_BRA(x,i,a,l) \
- *(mcodeptr++) = (((x) << 26) | ((((i) * 4) + 4) & M_BRAMASK) | ((a) << 1) | (l))
+#define M_BMASK 0x03fffffc /* (((1 << 26) - 1) & ~3) */
+#define M_BCMASK 0x0000fffc /* (((1 << 16) - 1) & ~3) */
-#define M_BRAC(x,bo,bi,i,a,l) \
- *(mcodeptr++) = (((x) << 26) | ((bo) << 21) | ((bi) << 16) | (((i) * 4 + 4) & M_BRMASK) | ((a) << 1) | (l))
+#define M_B(LI,AA,LK) \
+ do { \
+ *((u4 *) cd->mcodeptr) = ((18 << 26) | ((((LI) * 4) + 4) & M_BMASK) | ((AA) << 1) | (LK)); \
+ cd->mcodeptr += 4; \
+ } while (0)
+
+#define M_BC(BO,BI,BD,AA,LK) \
+ do { \
+ *((u4 *) cd->mcodeptr) = ((16 << 26) | ((BO) << 21) | ((BI) << 16) | ((((BD) * 4) + 4) & M_BCMASK) | ((AA) << 1) | (LK)); \
+ cd->mcodeptr += 4; \
+ } while (0)
/* instruction macros *********************************************************/
#define M_AND_IMM(a,b,c) M_OP2_IMM(28, a, c, b)
#define M_ANDIS(a,b,c) M_OP2_IMM(29, a, c, b)
#define M_OR(a,b,c) M_OP3(31, 444, 0, 0, a, c, b)
+#define M_OR_TST(a,b,c) M_OP3(31, 444, 0, 1, a, c, b)
#define M_OR_IMM(a,b,c) M_OP2_IMM(24, a, c, b)
#define M_ORIS(a,b,c) M_OP2_IMM(25, a, c, b)
#define M_XOR(a,b,c) M_OP3(31, 316, 0, 0, a, c, b)
#define M_STBX(a,b,c) M_OP3(31, 215, 0, 0, a, b, c)
#define M_STFSX(a,b,c) M_OP3(31, 663, 0, 0, a, b, c)
#define M_STFDX(a,b,c) M_OP3(31, 727, 0, 0, a, b, c)
-#define M_STWU(a,b,c) M_OP2_IMM(37, a, b, c)
+
+#define M_STWU_INTERN(a,b,disp) M_OP2_IMM(37,a,b,disp)
+
+#define M_STWU(a,b,disp) \
+ do { \
+ s4 lo = (disp) & 0x0000ffff; \
+ s4 hi = ((disp) >> 16); \
+ if (((disp) >= -32678) && ((disp) <= 32767)) { \
+ M_STWU_INTERN(a,b,lo); \
+ } else { \
+ M_ADDIS(REG_ZERO,hi,REG_ITMP3); \
+ M_OR_IMM(REG_ITMP3,lo,REG_ITMP3); \
+ M_STWUX(REG_SP,REG_SP,REG_ITMP3); \
+ } \
+ } while (0)
+
+#define M_STWUX(a,b,c) M_OP3(31,183,0,0,a,b,c)
+
#define M_LDAH(a,b,c) M_ADDIS(b, c, a)
+
#define M_TRAP M_OP3(31, 4, 0, 0, 31, 0, 0)
+#define M_TRAPGEU(a,b) M_OP3(31, 4, 0, 0, 5, a, b)
#define M_NOP M_OR_IMM(0, 0, 0)
#define M_MOV(a,b) M_OR(a, a, b)
#define M_FCMPU(a,b) M_OP3(63, 0, 0, 0, 0, a, b)
#define M_FCMPO(a,b) M_OP3(63, 32, 0, 0, 0, a, b)
-#define M_BST(a,b,c) M_OP2_IMM(38, a, b, c)
-#define M_SST(a,b,c) M_OP2_IMM(44, a, b, c)
-#define M_IST(a,b,c) M_OP2_IMM(36, a, b, c)
-#define M_AST(a,b,c) M_OP2_IMM(36, a, b, c)
#define M_BLDU(a,b,c) M_OP2_IMM(34, a, b, c)
#define M_SLDU(a,b,c) M_OP2_IMM(40, a, b, c)
-#define M_ILD(a,b,c) M_OP2_IMM(32, a, b, c)
-#define M_ALD(a,b,c) M_ILD(a, b, c)
+
+#define M_ILD_INTERN(a,b,disp) M_OP2_IMM(32,a,b,disp)
+
+#define M_ILD(a,b,disp) \
+ do { \
+ s4 lo = (short) (disp); \
+ s4 hi = (short) (((disp) - lo) >> 16); \
+ if (hi == 0) { \
+ M_ILD_INTERN(a,b,lo); \
+ } else { \
+ M_ADDIS(b,hi,a); \
+ M_ILD_INTERN(a,a,lo); \
+ } \
+ } while (0)
+
+#define M_LLD_INTERN(a,b,disp) \
+ do { \
+ M_ILD_INTERN(GET_HIGH_REG(a), b, disp); \
+ M_ILD_INTERN(GET_LOW_REG(a), b, disp + 4); \
+ } while (0)
+
+#define M_LLD(a,b,disp) \
+ do { \
+ s4 lo = (short) (disp); \
+ s4 hi = (short) (((disp) - lo) >> 16); \
+ if (hi == 0) { \
+ M_LLD_INTERN(a,b,lo); \
+ } else { \
+ M_ADDIS(b,hi,a); \
+ M_LLD_INTERN(a,GET_LOW_REG(a),lo); \
+ } \
+ } while (0)
+
+#define M_ALD_INTERN(a,b,disp) M_ILD_INTERN(a,b,disp)
+#define M_ALD(a,b,disp) M_ILD(a,b,disp)
+
+#define M_BST(a,b,c) M_OP2_IMM(38, a, b, c)
+#define M_SST(a,b,c) M_OP2_IMM(44, a, b, c)
+
+#define M_IST_INTERN(a,b,disp) M_OP2_IMM(36,a,b,disp)
+
+/* Stores with displacement overflow should only happen with PUTFIELD
+ or on the stack. The PUTFIELD instruction does not use REG_ITMP3
+ and a reg_of_var call should not use REG_ITMP3!!! */
+
+#define M_IST(a,b,disp) \
+ do { \
+ s4 lo = (short) (disp); \
+ s4 hi = (short) (((disp) - lo) >> 16); \
+ if (hi == 0) { \
+ M_IST_INTERN(a,b,lo); \
+ } else { \
+ M_ADDIS(b,hi,REG_ITMP3); \
+ M_IST_INTERN(a,REG_ITMP3,lo); \
+ } \
+ } while (0)
+
+#define M_LST_INTERN(a,b,disp) \
+ do { \
+ M_IST_INTERN(GET_HIGH_REG(a), b, disp); \
+ M_IST_INTERN(GET_LOW_REG(a), b, disp + 4); \
+ } while (0)
+
+#define M_LST(a,b,disp) \
+ do { \
+ s4 lo = (short) (disp); \
+ s4 hi = (short) (((disp) - lo) >> 16); \
+ if (hi == 0) { \
+ M_LST_INTERN(a,b,lo); \
+ } else { \
+ M_ADDIS(b,hi,REG_ITMP3); \
+ M_LST_INTERN(a,REG_ITMP3, lo); \
+ } \
+ } while (0)
+
+#define M_AST_INTERN(a,b,disp) M_IST_INTERN(a,b,disp)
+#define M_AST(a,b,disp) M_IST(a,b,disp)
#define M_BSEXT(a,b) M_OP3(31, 954, 0, 0, a, b, 0)
#define M_SSEXT(a,b) M_OP3(31, 922, 0, 0, a, b, 0)
#define M_CZEXT(a,b) M_RLWINM(a,0,16,31,b)
-#define M_BR(a) M_BRA(18, a, 0, 0);
-#define M_BL(a) M_BRA(18, a, 0, 1);
-#define M_RET M_OP3(19, 16, 0, 0, 20, 0, 0);
-#define M_JSR M_OP3(19, 528, 0, 1, 20, 0, 0);
-#define M_RTS M_OP3(19, 528, 0, 0, 20, 0, 0);
-
-#define M_CMP(a,b) M_OP3(31, 0, 0, 0, 0, a, b);
-#define M_CMPU(a,b) M_OP3(31, 32, 0, 0, 0, a, b);
-#define M_CMPI(a,b) M_OP2_IMM(11, 0, a, b);
-#define M_CMPUI(a,b) M_OP2_IMM(10, 0, a, b);
-
-#define M_BLT(a) M_BRAC(16, 12, 0, a, 0, 0);
-#define M_BLE(a) M_BRAC(16, 4, 1, a, 0, 0);
-#define M_BGT(a) M_BRAC(16, 12, 1, a, 0, 0);
-#define M_BGE(a) M_BRAC(16, 4, 0, a, 0, 0);
-#define M_BEQ(a) M_BRAC(16, 12, 2, a, 0, 0);
-#define M_BNE(a) M_BRAC(16, 4, 2, a, 0, 0);
-#define M_BNAN(a) M_BRAC(16, 12, 3, a, 0, 0);
-
-#define M_DLD(a,b,c) M_OP2_IMM(50, a, b, c)
-#define M_DST(a,b,c) M_OP2_IMM(54, a, b, c)
-#define M_FLD(a,b,c) M_OP2_IMM(48, a, b, c)
-#define M_FST(a,b,c) M_OP2_IMM(52, a, b, c)
+#define M_BR(a) M_B(a, 0, 0)
+#define M_BL(a) M_B(a, 0, 1)
+#define M_RET M_OP3(19, 16, 0, 0, 20, 0, 0)
+#define M_JSR M_OP3(19, 528, 0, 1, 20, 0, 0)
+#define M_RTS M_OP3(19, 528, 0, 0, 20, 0, 0)
+
+#define M_CMP(a,b) M_OP3(31, 0, 0, 0, 0, a, b)
+#define M_CMPU(a,b) M_OP3(31, 32, 0, 0, 0, a, b)
+#define M_CMPI(a,b) M_OP2_IMM(11, 0, a, b)
+#define M_CMPUI(a,b) M_OP2_IMM(10, 0, a, b)
+
+#define M_BLT(a) M_BC(12, 0, a, 0, 0)
+#define M_BLE(a) M_BC(4, 1, a, 0, 0)
+#define M_BGT(a) M_BC(12, 1, a, 0, 0)
+#define M_BGE(a) M_BC(4, 0, a, 0, 0)
+#define M_BEQ(a) M_BC(12, 2, a, 0, 0)
+#define M_BNE(a) M_BC(4, 2, a, 0, 0)
+#define M_BNAN(a) M_BC(12, 3, a, 0, 0)
+
+#define M_FLD_INTERN(a,b,disp) M_OP2_IMM(48,a,b,disp)
+#define M_DLD_INTERN(a,b,disp) M_OP2_IMM(50,a,b,disp)
+
+#define M_FLD(a,b,disp) \
+ do { \
+ s4 lo = (short) (disp); \
+ s4 hi = (short) (((disp) - lo) >> 16); \
+ if (hi == 0) { \
+ M_FLD_INTERN(a,b,lo); \
+ } else { \
+ M_ADDIS(b,hi,REG_ITMP3); \
+ M_FLD_INTERN(a,REG_ITMP3,lo); \
+ } \
+ } while (0)
+
+#define M_DLD(a,b,disp) \
+ do { \
+ s4 lo = (short) (disp); \
+ s4 hi = (short) (((disp) - lo) >> 16); \
+ if (hi == 0) { \
+ M_DLD_INTERN(a,b,lo); \
+ } else { \
+ M_ADDIS(b,hi,REG_ITMP3); \
+ M_DLD_INTERN(a,REG_ITMP3,lo); \
+ } \
+ } while (0)
+
+#define M_FST_INTERN(a,b,disp) M_OP2_IMM(52,a,b,disp)
+#define M_DST_INTERN(a,b,disp) M_OP2_IMM(54,a,b,disp)
+
+#define M_FST(a,b,disp) \
+ do { \
+ s4 lo = (short) (disp); \
+ s4 hi = (short) (((disp) - lo) >> 16); \
+ if (hi == 0) { \
+ M_FST_INTERN(a,b,lo); \
+ } else { \
+ M_ADDIS(b,hi,REG_ITMP3); \
+ M_FST_INTERN(a,REG_ITMP3,lo); \
+ } \
+ } while (0)
+
+#define M_DST(a,b,disp) \
+ do { \
+ s4 lo = (short) (disp); \
+ s4 hi = (short) (((disp) - lo) >> 16); \
+ if (hi == 0) { \
+ M_DST_INTERN(a,b,lo); \
+ } else { \
+ M_ADDIS(b,hi,REG_ITMP3); \
+ M_DST_INTERN(a,REG_ITMP3,lo); \
+ } \
+ } while (0)
#define M_MFLR(a) M_OP3(31, 339, 0, 0, a, 8, 0)
#define M_MFXER(a) M_OP3(31, 339, 0, 0, a, 1, 0)
#define M_MTXER(a) M_OP3(31, 467, 0, 0, a, 1, 0)
#define M_MTCTR(a) M_OP3(31, 467, 0, 0, a, 9, 0)
-#define M_LDA(a,b,c) M_IADD_IMM(b, c, a)
-#define M_LDATST(a,b,c) M_ADDICTST(b, c, a)
-#define M_CLR(a) M_IADD_IMM(0, 0, a)
-#define M_AADD_IMM(a,b,c) M_IADD_IMM(a, b, c)
-
+#define M_LDA_INTERN(a,b,c) M_IADD_IMM(b, c, a)
-/* function gen_resolvebranch **************************************************
+#define M_LDA(a,b,disp) \
+ do { \
+ s4 lo = (short) (disp); \
+ s4 hi = (short) (((disp) - lo) >> 16); \
+ if (hi == 0) { \
+ M_LDA_INTERN(a,b,lo); \
+ } else { \
+ M_ADDIS(b,hi,a); \
+ M_LDA_INTERN(a,a,lo); \
+ } \
+ } while (0)
- parameters: ip ... pointer to instruction after branch (void*)
- so ... offset of instruction after branch (s4)
- to ... offset of branch target (s4)
-*******************************************************************************/
-
-#define gen_resolvebranch(ip,so,to) \
- *((s4*)(ip)-1)=(*((s4*)(ip)-1) & ~M_BRMASK) | (((s4)((to)-(so))+4)&((((*((s4*)(ip)-1)>>26)&63)==18)?M_BRAMASK:M_BRMASK))
-
-
-/* function prototypes */
-
-void preregpass(methodinfo *m, registerdata *rd);
-void docacheflush(u1 *p, long bytelen);
+#define M_LDATST(a,b,c) M_ADDICTST(b, c, a)
+#define M_CLR(a) M_IADD_IMM(0, 0, a)
+#define M_AADD_IMM(a,b,c) M_IADD_IMM(a, b, c)
#endif /* _CODEGEN_H */
projects / cacao.git / blobdiff