--- embedaddon/pcre/sljit/sljitNativePPC_64.c 2012/02/21 23:50:25 1.1.1.2 +++ embedaddon/pcre/sljit/sljitNativePPC_64.c 2013/07/22 08:25:57 1.1.1.3 @@ -26,9 +26,11 @@ /* ppc 64-bit arch dependent functions. */ -#ifdef __GNUC__ +#if defined(__GNUC__) || (defined(__IBM_GCC_ASM) && __IBM_GCC_ASM) #define ASM_SLJIT_CLZ(src, dst) \ - asm volatile ( "cntlzd %0, %1" : "=r"(dst) : "r"(src) ) + __asm__ volatile ( "cntlzd %0, %1" : "=r"(dst) : "r"(src) ) +#elif defined(__xlc__) +#error "Please enable GCC syntax for inline assembly statements" #else #error "Must implement count leading zeroes" #endif @@ -39,7 +41,7 @@ #define PUSH_RLDICR(reg, shift) \ push_inst(compiler, RLDI(reg, reg, 63 - shift, shift, 1)) -static int load_immediate(struct sljit_compiler *compiler, int reg, sljit_w imm) +static sljit_si load_immediate(struct sljit_compiler *compiler, sljit_si reg, sljit_sw imm) { sljit_uw tmp; sljit_uw shift; @@ -143,10 +145,74 @@ static int load_immediate(struct sljit_compiler *compi src1 = TMP_REG1; \ } -static SLJIT_INLINE int emit_single_op(struct sljit_compiler *compiler, int op, int flags, - int dst, int src1, int src2) +static SLJIT_INLINE sljit_si emit_single_op(struct sljit_compiler *compiler, sljit_si op, sljit_si flags, + sljit_si dst, sljit_si src1, sljit_si src2) { switch (op) { + case SLJIT_MOV: + case SLJIT_MOV_P: + SLJIT_ASSERT(src1 == TMP_REG1); + if (dst != src2) + return push_inst(compiler, OR | S(src2) | A(dst) | B(src2)); + return SLJIT_SUCCESS; + + case SLJIT_MOV_UI: + case SLJIT_MOV_SI: + SLJIT_ASSERT(src1 == TMP_REG1); + if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { + if (op == SLJIT_MOV_SI) + return push_inst(compiler, EXTSW | S(src2) | A(dst)); + return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 0)); + } + else { + SLJIT_ASSERT(dst == src2); + } + return SLJIT_SUCCESS; + + case SLJIT_MOV_UB: + case SLJIT_MOV_SB: + SLJIT_ASSERT(src1 == TMP_REG1); + if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { + if (op == SLJIT_MOV_SB) + return push_inst(compiler, EXTSB | S(src2) | A(dst)); + return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 24)); + } + else if ((flags & REG_DEST) && op == SLJIT_MOV_SB) + return push_inst(compiler, EXTSB | S(src2) | A(dst)); + else { + SLJIT_ASSERT(dst == src2); + } + return SLJIT_SUCCESS; + + case SLJIT_MOV_UH: + case SLJIT_MOV_SH: + SLJIT_ASSERT(src1 == TMP_REG1); + if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { + if (op == SLJIT_MOV_SH) + return push_inst(compiler, EXTSH | S(src2) | A(dst)); + return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 16)); + } + else { + SLJIT_ASSERT(dst == src2); + } + return SLJIT_SUCCESS; + + case SLJIT_NOT: + SLJIT_ASSERT(src1 == TMP_REG1); + UN_EXTS(); + return push_inst(compiler, NOR | RC(flags) | S(src2) | A(dst) | B(src2)); + + case SLJIT_NEG: + SLJIT_ASSERT(src1 == TMP_REG1); + UN_EXTS(); + return push_inst(compiler, NEG | OERC(flags) | D(dst) | A(src2)); + + case SLJIT_CLZ: + SLJIT_ASSERT(src1 == TMP_REG1); + if (flags & ALT_FORM1) + return push_inst(compiler, CNTLZW | RC(flags) | S(src2) | A(dst)); + return push_inst(compiler, CNTLZD | RC(flags) | S(src2) | A(dst)); + case SLJIT_ADD: if (flags & ALT_FORM1) { /* Flags does not set: BIN_IMM_EXTS unnecessary. */ @@ -175,7 +241,7 @@ static SLJIT_INLINE int emit_single_op(struct sljit_co case SLJIT_ADDC: if (flags & ALT_FORM1) { - FAIL_IF(push_inst(compiler, MFXER | S(0))); + FAIL_IF(push_inst(compiler, MFXER | D(0))); FAIL_IF(push_inst(compiler, ADDE | D(dst) | A(src1) | B(src2))); return push_inst(compiler, MTXER | S(0)); } @@ -212,7 +278,7 @@ static SLJIT_INLINE int emit_single_op(struct sljit_co case SLJIT_SUBC: if (flags & ALT_FORM1) { - FAIL_IF(push_inst(compiler, MFXER | S(0))); + FAIL_IF(push_inst(compiler, MFXER | D(0))); FAIL_IF(push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1))); return push_inst(compiler, MTXER | S(0)); } @@ -284,9 +350,7 @@ static SLJIT_INLINE int emit_single_op(struct sljit_co return push_inst(compiler, RLDI(dst, src1, compiler->imm, 63 - compiler->imm, 1) | RC(flags)); } } - if (flags & ALT_FORM2) - return push_inst(compiler, SLW | RC(flags) | S(src1) | A(dst) | B(src2)); - return push_inst(compiler, SLD | RC(flags) | S(src1) | A(dst) | B(src2)); + return push_inst(compiler, ((flags & ALT_FORM2) ? SLW : SLD) | RC(flags) | S(src1) | A(dst) | B(src2)); case SLJIT_LSHR: if (flags & ALT_FORM1) { @@ -300,92 +364,32 @@ static SLJIT_INLINE int emit_single_op(struct sljit_co return push_inst(compiler, RLDI(dst, src1, 64 - compiler->imm, compiler->imm, 0) | RC(flags)); } } - if (flags & ALT_FORM2) - return push_inst(compiler, SRW | RC(flags) | S(src1) | A(dst) | B(src2)); - return push_inst(compiler, SRD | RC(flags) | S(src1) | A(dst) | B(src2)); + return push_inst(compiler, ((flags & ALT_FORM2) ? SRW : SRD) | RC(flags) | S(src1) | A(dst) | B(src2)); case SLJIT_ASHR: + if (flags & ALT_FORM3) + FAIL_IF(push_inst(compiler, MFXER | D(0))); if (flags & ALT_FORM1) { SLJIT_ASSERT(src2 == TMP_REG2); if (flags & ALT_FORM2) { compiler->imm &= 0x1f; - return push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11)); + FAIL_IF(push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11))); } else { compiler->imm &= 0x3f; - return push_inst(compiler, SRADI | RC(flags) | S(src1) | A(dst) | ((compiler->imm & 0x1f) << 11) | ((compiler->imm & 0x20) >> 4)); + FAIL_IF(push_inst(compiler, SRADI | RC(flags) | S(src1) | A(dst) | ((compiler->imm & 0x1f) << 11) | ((compiler->imm & 0x20) >> 4))); } } - if (flags & ALT_FORM2) - return push_inst(compiler, SRAW | RC(flags) | S(src1) | A(dst) | B(src2)); - return push_inst(compiler, SRAD | RC(flags) | S(src1) | A(dst) | B(src2)); - - case SLJIT_MOV: - SLJIT_ASSERT(src1 == TMP_REG1); - if (dst != src2) - return push_inst(compiler, OR | S(src2) | A(dst) | B(src2)); - return SLJIT_SUCCESS; - - case SLJIT_MOV_UI: - case SLJIT_MOV_SI: - SLJIT_ASSERT(src1 == TMP_REG1); - if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { - if (op == SLJIT_MOV_SI) - return push_inst(compiler, EXTSW | S(src2) | A(dst)); - return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 0)); - } - else if (dst != src2) - SLJIT_ASSERT_STOP(); - return SLJIT_SUCCESS; - - case SLJIT_MOV_UB: - case SLJIT_MOV_SB: - SLJIT_ASSERT(src1 == TMP_REG1); - if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { - if (op == SLJIT_MOV_SB) - return push_inst(compiler, EXTSB | S(src2) | A(dst)); - return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 24)); - } - else if ((flags & REG_DEST) && op == SLJIT_MOV_SB) - return push_inst(compiler, EXTSB | S(src2) | A(dst)); - else if (dst != src2) - SLJIT_ASSERT_STOP(); - return SLJIT_SUCCESS; - - case SLJIT_MOV_UH: - case SLJIT_MOV_SH: - SLJIT_ASSERT(src1 == TMP_REG1); - if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { - if (op == SLJIT_MOV_SH) - return push_inst(compiler, EXTSH | S(src2) | A(dst)); - return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 16)); - } - else if (dst != src2) - SLJIT_ASSERT_STOP(); - return SLJIT_SUCCESS; - - case SLJIT_NOT: - SLJIT_ASSERT(src1 == TMP_REG1); - UN_EXTS(); - return push_inst(compiler, NOR | RC(flags) | S(src2) | A(dst) | B(src2)); - - case SLJIT_NEG: - SLJIT_ASSERT(src1 == TMP_REG1); - UN_EXTS(); - return push_inst(compiler, NEG | OERC(flags) | D(dst) | A(src2)); - - case SLJIT_CLZ: - SLJIT_ASSERT(src1 == TMP_REG1); - if (flags & ALT_FORM1) - return push_inst(compiler, CNTLZW | RC(flags) | S(src2) | A(dst)); - return push_inst(compiler, CNTLZD | RC(flags) | S(src2) | A(dst)); + else + FAIL_IF(push_inst(compiler, ((flags & ALT_FORM2) ? SRAW : SRAD) | RC(flags) | S(src1) | A(dst) | B(src2))); + return (flags & ALT_FORM3) ? push_inst(compiler, MTXER | S(0)) : SLJIT_SUCCESS; } SLJIT_ASSERT_STOP(); return SLJIT_SUCCESS; } -static SLJIT_INLINE int emit_const(struct sljit_compiler *compiler, int reg, sljit_w init_value) +static SLJIT_INLINE sljit_si emit_const(struct sljit_compiler *compiler, sljit_si reg, sljit_sw init_value) { FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(init_value >> 48))); FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | IMM(init_value >> 32))); @@ -405,7 +409,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(slji SLJIT_CACHE_FLUSH(inst, inst + 5); } -SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_w new_constant) +SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant) { sljit_ins *inst = (sljit_ins*)addr; @@ -414,15 +418,4 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw inst[3] = (inst[3] & 0xffff0000) | ((new_constant >> 16) & 0xffff); inst[4] = (inst[4] & 0xffff0000) | (new_constant & 0xffff); SLJIT_CACHE_FLUSH(inst, inst + 5); -} - -SLJIT_API_FUNC_ATTRIBUTE void sljit_set_function_context(void** func_ptr, struct sljit_function_context* context, sljit_w addr, void* func) -{ - sljit_w* ptrs; - if (func_ptr) - *func_ptr = (void*)context; - ptrs = (sljit_w*)func; - context->addr = addr ? addr : ptrs[0]; - context->r2 = ptrs[1]; - context->r11 = ptrs[2]; }