/* src/vm/jit/x86_64/codegen.h - code generation macros for x86_64
- 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
+ Copyright (C) 1996-2011
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
#include "vm/jit/x86_64/emit.h"
-#include "vm/jit/jit.h"
+#include "vm/jit/jit.hpp"
/* additional functions and macros to generate code ***************************/
#define ALIGNCODENOP \
do { \
- for (s1 = 0; s1 < (s4) (((ptrint) cd->mcodeptr) & 7); s1++) \
- M_NOP; \
+ int len = (-(ptrint) cd->mcodeptr) & 7; \
+ if (len) \
+ emit_nop(cd, len); \
} while (0)
-/* M_INTMOVE:
- generates an integer-move from register a to b.
- if a and b are the same int-register, no code will be generated.
-*/
-
-#define M_INTMOVE(reg,dreg) \
- do { \
- if ((reg) != (dreg)) { \
- M_MOV(reg, dreg); \
- } \
- } while (0)
-
-
-/* M_FLTMOVE:
- generates a floating-point-move from register a to b.
- if a and b are the same float-register, no code will be generated
-*/
-
-#define M_FLTMOVE(reg,dreg) \
- do { \
- if ((reg) != (dreg)) { \
- M_FMOV(reg, dreg); \
- } \
- } while (0)
+#define PATCH_ALIGNMENT(addr, offset, size) \
+ ((((addr)+(offset)+(size)-1) & ~((size)-1)) - ((addr)+(offset)))
#define ICONST(r,c) \
#define BRANCH_UNCONDITIONAL_SIZE 5 /* size in bytes of a branch */
#define BRANCH_CONDITIONAL_SIZE 6 /* size in bytes of a branch */
+/* These NOPs are never executed; they are only used as placeholders during
+ * code generation.
+ */
#define BRANCH_NOPS \
do { \
M_NOP; \
/* patcher defines ************************************************************/
-#define PATCHER_CALL_SIZE 5 /* size in bytes of a patcher call */
+#define PATCHER_CALL_SIZE 2 /* size in bytes of a patcher call */
#define PATCHER_NOPS \
do { \
- M_NOP; \
- M_NOP; \
- M_NOP; \
- M_NOP; \
- M_NOP; \
+ emit_nop(cd, 2); \
} while (0)
-/* stub defines ***************************************************************/
-
-#define COMPILERSTUB_CODESIZE 7 + 7 + 3
-
-
/* macros to create code ******************************************************/
#define M_BYTE1(a) \
#define M_IMOV_IMM(a,b) emit_movl_imm_reg(cd, (u4) (a), (b))
#define M_FMOV(a,b) emit_movq_reg_reg(cd, (a), (b))
+#define M_DMOV(a,b) M_FMOV(a,b)
#define M_ILD(a,b,disp) emit_movl_membase_reg(cd, (b), (disp), (a))
#define M_LLD(a,b,disp) emit_mov_membase_reg(cd, (b), (disp), (a))
#define M_LMUL_IMM(a,b,c) emit_imul_imm_reg_reg(cd, (b), (a), (c))
#define M_IINC(a) emit_incl_reg(cd, (a))
+#define M_LINC(a) emit_incq_reg(cd, (a))
#define M_IDEC(a) emit_decl_reg(cd, (a))
-#define M_ALD(a,b,disp) M_LLD(a,b,disp)
+#define M_ALD(a,b,disp) \
+ do { \
+ if (b == RIP) \
+ M_LLD(a, b, disp + -((cd->mcodeptr + 7) - cd->mcodebase)); \
+ else \
+ M_LLD(a, b, disp); \
+ } while (0)
+
#define M_ALD32(a,b,disp) M_LLD32(a,b,disp)
+#define M_ALD_DSEG(a,disp) M_ALD(a,RIP,disp)
#define M_ALD_MEM(a,disp) emit_mov_mem_reg(cd, (disp), (a))
#define M_SSEXT(a,b) emit_movswq_reg_reg(cd, (a), (b))
#define M_ISEXT(a,b) emit_movslq_reg_reg(cd, (a), (b))
+#define M_BZEXT(a,b) emit_movzbq_reg_reg(cd, (a), (b))
#define M_CZEXT(a,b) emit_movzwq_reg_reg(cd, (a), (b))
#define M_ISLL_IMM(a,b) emit_shiftl_imm_reg(cd, SHIFT_SHL, (a), (b))
#define M_LCMP_IMM(a,b) emit_alu_imm_reg(cd, ALU_CMP, (a), (b))
#define M_LCMP_IMM_MEMBASE(a,b,c) emit_alu_imm_membase(cd, ALU_CMP, (a), (b), (c))
#define M_LCMP_MEMBASE(a,b,c) emit_alu_membase_reg(cd, ALU_CMP, (a), (b), (c))
+#define M_LCMP_MEMINDEX(a,b,c,d,e) emit_alul_memindex_reg(cd, ALU_CMP, (b), (a), (c), (d), (e))
#define M_ICMP(a,b) emit_alul_reg_reg(cd, ALU_CMP, (a), (b))
#define M_ICMP_IMM(a,b) emit_alul_imm_reg(cd, ALU_CMP, (a), (b))
#define M_ICMP_IMM32(a,b) emit_alul_imm32_reg(cd, ALU_CMP, (a), (b))
#define M_ICMP_IMM_MEMBASE(a,b,c) emit_alul_imm_membase(cd, ALU_CMP, (a), (b), (c))
#define M_ICMP_MEMBASE(a,b,c) emit_alul_membase_reg(cd, ALU_CMP, (a), (b), (c))
+#define M_ICMP_MEMINDEX(a,b,c,d,e) emit_alu_memindex_reg(cd, ALU_CMP, (b), (a), (c), (d), (e))
+
+#define M_ACMP(a,b) M_LCMP(a,b)
#define M_BEQ(disp) emit_jcc(cd, CC_E, (disp))
#define M_BNE(disp) emit_jcc(cd, CC_NE, (disp))
#define M_BUGE(disp) emit_jcc(cd, CC_AE, (disp))
#define M_BUGT(disp) emit_jcc(cd, CC_A, (disp))
+#define M_SETE(a) emit_setcc_reg(cd, CC_E, (a))
#define M_SETNE(a) emit_setcc_reg(cd, CC_NE, (a))
#define M_SETULE(a) emit_setcc_reg(cd, CC_BE, (a))
#define M_JMP(a) emit_jmp_reg(cd, (a))
#define M_JMP_IMM(a) emit_jmp_imm(cd, (a))
+#define M_JMP_IMM2(a) emit_jmp_imm2(cd, (a))
#define M_CALL(a) emit_call_reg(cd, (a))
#define M_CALL_IMM(a) emit_call_imm(cd, (a))
#define M_RET M_BYTE1(0xc3)
/* system instructions ********************************************************/
+#define M_MFENCE emit_mfence(cd)
#define M_RDTSC emit_rdtsc(cd)
#define M_IINC_MEMBASE(a,b) emit_incl_membase(cd, (a), (b))
+#define M_LINC_MEMBASE(a,b) emit_incq_membase(cd, (a), (b))
#define M_IADD_MEMBASE(a,b,c) emit_alul_reg_membase(cd, ALU_ADD, (a), (b), (c))
#define M_IADC_MEMBASE(a,b,c) emit_alul_reg_membase(cd, ALU_ADC, (a), (b), (c))
#define M_ISBB_MEMBASE(a,b,c) emit_alul_reg_membase(cd, ALU_SBB, (a), (b), (c))
-#if defined(ENABLE_PROFILING)
-
-#define PROFILE_CYCLE_START \
- do { \
- if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) { \
- M_PUSH(RAX); \
- M_PUSH(RDX); \
- \
- M_MOV_IMM(code, REG_ITMP3); \
- M_RDTSC; \
- M_ISUB_MEMBASE(RAX, REG_ITMP3, OFFSET(codeinfo, cycles)); \
- M_ISBB_MEMBASE(RDX, REG_ITMP3, OFFSET(codeinfo, cycles) + 4); \
- \
- M_POP(RDX); \
- M_POP(RAX); \
- } \
- } while (0)
-
-#define PROFILE_CYCLE_STOP \
- do { \
- if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) { \
- M_PUSH(RAX); \
- M_PUSH(RDX); \
- \
- M_MOV_IMM(code, REG_ITMP3); \
- M_RDTSC; \
- M_IADD_MEMBASE(RAX, REG_ITMP3, OFFSET(codeinfo, cycles)); \
- M_IADC_MEMBASE(RDX, REG_ITMP3, OFFSET(codeinfo, cycles) + 4); \
- \
- M_POP(RDX); \
- M_POP(RAX); \
- } \
- } while (0)
-
-#else
-
-#define PROFILE_CYCLE_START
-#define PROFILE_CYCLE_STOP
-
-#endif
-
#endif /* _CODEGEN_H */
* c-basic-offset: 4
* tab-width: 4
* End:
+ * vim:noexpandtab:sw=4:ts=4:
*/
projects / cacao.git / blobdiff