52e674ded1
Changelog: https://vcs.pcre.org/pcre2/code/tags/pcre2-10.36/ChangeLog?view=markup
(cherry picked from commit 951ad29c0f)
496 lines
17 KiB
C
496 lines
17 KiB
C
/*
|
|
* Stack-less Just-In-Time compiler
|
|
*
|
|
* Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification, are
|
|
* permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this list of
|
|
* conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
|
* of conditions and the following disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
|
|
* SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
|
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/* ppc 64-bit arch dependent functions. */
|
|
|
|
#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) )
|
|
#elif defined(__xlc__)
|
|
#error "Please enable GCC syntax for inline assembly statements"
|
|
#else
|
|
#error "Must implement count leading zeroes"
|
|
#endif
|
|
|
|
#define PUSH_RLDICR(reg, shift) \
|
|
push_inst(compiler, RLDI(reg, reg, 63 - shift, shift, 1))
|
|
|
|
static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 reg, sljit_sw imm)
|
|
{
|
|
sljit_uw tmp;
|
|
sljit_uw shift;
|
|
sljit_uw tmp2;
|
|
sljit_uw shift2;
|
|
|
|
if (imm <= SIMM_MAX && imm >= SIMM_MIN)
|
|
return push_inst(compiler, ADDI | D(reg) | A(0) | IMM(imm));
|
|
|
|
if (!(imm & ~0xffff))
|
|
return push_inst(compiler, ORI | S(TMP_ZERO) | A(reg) | IMM(imm));
|
|
|
|
if (imm <= 0x7fffffffl && imm >= -0x80000000l) {
|
|
FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(imm >> 16)));
|
|
return (imm & 0xffff) ? push_inst(compiler, ORI | S(reg) | A(reg) | IMM(imm)) : SLJIT_SUCCESS;
|
|
}
|
|
|
|
/* Count leading zeroes. */
|
|
tmp = (imm >= 0) ? imm : ~imm;
|
|
ASM_SLJIT_CLZ(tmp, shift);
|
|
SLJIT_ASSERT(shift > 0);
|
|
shift--;
|
|
tmp = (imm << shift);
|
|
|
|
if ((tmp & ~0xffff000000000000ul) == 0) {
|
|
FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48)));
|
|
shift += 15;
|
|
return PUSH_RLDICR(reg, shift);
|
|
}
|
|
|
|
if ((tmp & ~0xffffffff00000000ul) == 0) {
|
|
FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(tmp >> 48)));
|
|
FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | IMM(tmp >> 32)));
|
|
shift += 31;
|
|
return PUSH_RLDICR(reg, shift);
|
|
}
|
|
|
|
/* Cut out the 16 bit from immediate. */
|
|
shift += 15;
|
|
tmp2 = imm & ((1ul << (63 - shift)) - 1);
|
|
|
|
if (tmp2 <= 0xffff) {
|
|
FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48)));
|
|
FAIL_IF(PUSH_RLDICR(reg, shift));
|
|
return push_inst(compiler, ORI | S(reg) | A(reg) | tmp2);
|
|
}
|
|
|
|
if (tmp2 <= 0xffffffff) {
|
|
FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48)));
|
|
FAIL_IF(PUSH_RLDICR(reg, shift));
|
|
FAIL_IF(push_inst(compiler, ORIS | S(reg) | A(reg) | (tmp2 >> 16)));
|
|
return (imm & 0xffff) ? push_inst(compiler, ORI | S(reg) | A(reg) | IMM(tmp2)) : SLJIT_SUCCESS;
|
|
}
|
|
|
|
ASM_SLJIT_CLZ(tmp2, shift2);
|
|
tmp2 <<= shift2;
|
|
|
|
if ((tmp2 & ~0xffff000000000000ul) == 0) {
|
|
FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48)));
|
|
shift2 += 15;
|
|
shift += (63 - shift2);
|
|
FAIL_IF(PUSH_RLDICR(reg, shift));
|
|
FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | (tmp2 >> 48)));
|
|
return PUSH_RLDICR(reg, shift2);
|
|
}
|
|
|
|
/* The general version. */
|
|
FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(imm >> 48)));
|
|
FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | IMM(imm >> 32)));
|
|
FAIL_IF(PUSH_RLDICR(reg, 31));
|
|
FAIL_IF(push_inst(compiler, ORIS | S(reg) | A(reg) | IMM(imm >> 16)));
|
|
return push_inst(compiler, ORI | S(reg) | A(reg) | IMM(imm));
|
|
}
|
|
|
|
/* Simplified mnemonics: clrldi. */
|
|
#define INS_CLEAR_LEFT(dst, src, from) \
|
|
(RLDICL | S(src) | A(dst) | ((from) << 6) | (1 << 5))
|
|
|
|
/* Sign extension for integer operations. */
|
|
#define UN_EXTS() \
|
|
if ((flags & (ALT_SIGN_EXT | REG2_SOURCE)) == (ALT_SIGN_EXT | REG2_SOURCE)) { \
|
|
FAIL_IF(push_inst(compiler, EXTSW | S(src2) | A(TMP_REG2))); \
|
|
src2 = TMP_REG2; \
|
|
}
|
|
|
|
#define BIN_EXTS() \
|
|
if (flags & ALT_SIGN_EXT) { \
|
|
if (flags & REG1_SOURCE) { \
|
|
FAIL_IF(push_inst(compiler, EXTSW | S(src1) | A(TMP_REG1))); \
|
|
src1 = TMP_REG1; \
|
|
} \
|
|
if (flags & REG2_SOURCE) { \
|
|
FAIL_IF(push_inst(compiler, EXTSW | S(src2) | A(TMP_REG2))); \
|
|
src2 = TMP_REG2; \
|
|
} \
|
|
}
|
|
|
|
#define BIN_IMM_EXTS() \
|
|
if ((flags & (ALT_SIGN_EXT | REG1_SOURCE)) == (ALT_SIGN_EXT | REG1_SOURCE)) { \
|
|
FAIL_IF(push_inst(compiler, EXTSW | S(src1) | A(TMP_REG1))); \
|
|
src1 = TMP_REG1; \
|
|
}
|
|
|
|
static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags,
|
|
sljit_s32 dst, sljit_s32 src1, sljit_s32 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_U32:
|
|
case SLJIT_MOV_S32:
|
|
SLJIT_ASSERT(src1 == TMP_REG1);
|
|
if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
|
|
if (op == SLJIT_MOV_S32)
|
|
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_U8:
|
|
case SLJIT_MOV_S8:
|
|
SLJIT_ASSERT(src1 == TMP_REG1);
|
|
if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
|
|
if (op == SLJIT_MOV_S8)
|
|
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_S8)
|
|
return push_inst(compiler, EXTSB | S(src2) | A(dst));
|
|
else {
|
|
SLJIT_ASSERT(dst == src2);
|
|
}
|
|
return SLJIT_SUCCESS;
|
|
|
|
case SLJIT_MOV_U16:
|
|
case SLJIT_MOV_S16:
|
|
SLJIT_ASSERT(src1 == TMP_REG1);
|
|
if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
|
|
if (op == SLJIT_MOV_S16)
|
|
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);
|
|
|
|
if ((flags & (ALT_FORM1 | ALT_SIGN_EXT)) == (ALT_FORM1 | ALT_SIGN_EXT)) {
|
|
FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, src2, 32, 31, 1)));
|
|
FAIL_IF(push_inst(compiler, NEG | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(TMP_REG2)));
|
|
return push_inst(compiler, RLDI(dst, dst, 32, 32, 0));
|
|
}
|
|
|
|
UN_EXTS();
|
|
/* Setting XER SO is not enough, CR SO is also needed. */
|
|
return push_inst(compiler, NEG | OE((flags & ALT_FORM1) ? ALT_SET_FLAGS : 0) | RC(flags) | D(dst) | A(src2));
|
|
|
|
case SLJIT_CLZ:
|
|
SLJIT_ASSERT(src1 == TMP_REG1);
|
|
if (flags & ALT_FORM1)
|
|
return push_inst(compiler, CNTLZW | S(src2) | A(dst));
|
|
return push_inst(compiler, CNTLZD | S(src2) | A(dst));
|
|
|
|
case SLJIT_ADD:
|
|
if (flags & ALT_FORM1) {
|
|
if (flags & ALT_SIGN_EXT) {
|
|
FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, src1, 32, 31, 1)));
|
|
src1 = TMP_REG1;
|
|
FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, src2, 32, 31, 1)));
|
|
src2 = TMP_REG2;
|
|
}
|
|
/* Setting XER SO is not enough, CR SO is also needed. */
|
|
FAIL_IF(push_inst(compiler, ADD | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2)));
|
|
if (flags & ALT_SIGN_EXT)
|
|
return push_inst(compiler, RLDI(dst, dst, 32, 32, 0));
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
if (flags & ALT_FORM2) {
|
|
/* Flags does not set: BIN_IMM_EXTS unnecessary. */
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
|
|
if (flags & ALT_FORM3)
|
|
return push_inst(compiler, ADDIS | D(dst) | A(src1) | compiler->imm);
|
|
|
|
if (flags & ALT_FORM4) {
|
|
FAIL_IF(push_inst(compiler, ADDIS | D(dst) | A(src1) | (((compiler->imm >> 16) & 0xffff) + ((compiler->imm >> 15) & 0x1))));
|
|
src1 = dst;
|
|
}
|
|
|
|
return push_inst(compiler, ADDI | D(dst) | A(src1) | (compiler->imm & 0xffff));
|
|
}
|
|
if (flags & ALT_FORM3) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
BIN_IMM_EXTS();
|
|
return push_inst(compiler, ADDIC | D(dst) | A(src1) | compiler->imm);
|
|
}
|
|
if (!(flags & ALT_SET_FLAGS))
|
|
return push_inst(compiler, ADD | D(dst) | A(src1) | B(src2));
|
|
BIN_EXTS();
|
|
if (flags & ALT_FORM4)
|
|
return push_inst(compiler, ADDC | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2));
|
|
return push_inst(compiler, ADD | RC(flags) | D(dst) | A(src1) | B(src2));
|
|
|
|
case SLJIT_ADDC:
|
|
BIN_EXTS();
|
|
return push_inst(compiler, ADDE | D(dst) | A(src1) | B(src2));
|
|
|
|
case SLJIT_SUB:
|
|
if (flags & ALT_FORM1) {
|
|
if (flags & ALT_FORM2) {
|
|
FAIL_IF(push_inst(compiler, CMPLI | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm));
|
|
if (!(flags & ALT_FORM3))
|
|
return SLJIT_SUCCESS;
|
|
return push_inst(compiler, ADDI | D(dst) | A(src1) | (-compiler->imm & 0xffff));
|
|
}
|
|
FAIL_IF(push_inst(compiler, CMPL | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2)));
|
|
if (!(flags & ALT_FORM3))
|
|
return SLJIT_SUCCESS;
|
|
return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1));
|
|
}
|
|
|
|
if (flags & ALT_FORM2) {
|
|
if (flags & ALT_SIGN_EXT) {
|
|
FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, src1, 32, 31, 1)));
|
|
src1 = TMP_REG1;
|
|
FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, src2, 32, 31, 1)));
|
|
src2 = TMP_REG2;
|
|
}
|
|
/* Setting XER SO is not enough, CR SO is also needed. */
|
|
FAIL_IF(push_inst(compiler, SUBF | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1)));
|
|
if (flags & ALT_SIGN_EXT)
|
|
return push_inst(compiler, RLDI(dst, dst, 32, 32, 0));
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
if (flags & ALT_FORM3) {
|
|
/* Flags does not set: BIN_IMM_EXTS unnecessary. */
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
return push_inst(compiler, SUBFIC | D(dst) | A(src1) | compiler->imm);
|
|
}
|
|
|
|
if (flags & ALT_FORM4) {
|
|
if (flags & ALT_FORM5) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
return push_inst(compiler, CMPI | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm);
|
|
}
|
|
return push_inst(compiler, CMP | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2));
|
|
}
|
|
|
|
if (!(flags & ALT_SET_FLAGS))
|
|
return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1));
|
|
BIN_EXTS();
|
|
if (flags & ALT_FORM5)
|
|
return push_inst(compiler, SUBFC | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1));
|
|
return push_inst(compiler, SUBF | RC(flags) | D(dst) | A(src2) | B(src1));
|
|
|
|
case SLJIT_SUBC:
|
|
BIN_EXTS();
|
|
return push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1));
|
|
|
|
case SLJIT_MUL:
|
|
if (flags & ALT_FORM1) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
return push_inst(compiler, MULLI | D(dst) | A(src1) | compiler->imm);
|
|
}
|
|
BIN_EXTS();
|
|
if (flags & ALT_FORM2)
|
|
return push_inst(compiler, MULLW | OE(flags) | RC(flags) | D(dst) | A(src2) | B(src1));
|
|
return push_inst(compiler, MULLD | OE(flags) | RC(flags) | D(dst) | A(src2) | B(src1));
|
|
|
|
case SLJIT_AND:
|
|
if (flags & ALT_FORM1) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
return push_inst(compiler, ANDI | S(src1) | A(dst) | compiler->imm);
|
|
}
|
|
if (flags & ALT_FORM2) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
return push_inst(compiler, ANDIS | S(src1) | A(dst) | compiler->imm);
|
|
}
|
|
return push_inst(compiler, AND | RC(flags) | S(src1) | A(dst) | B(src2));
|
|
|
|
case SLJIT_OR:
|
|
if (flags & ALT_FORM1) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
return push_inst(compiler, ORI | S(src1) | A(dst) | compiler->imm);
|
|
}
|
|
if (flags & ALT_FORM2) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
return push_inst(compiler, ORIS | S(src1) | A(dst) | compiler->imm);
|
|
}
|
|
if (flags & ALT_FORM3) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
FAIL_IF(push_inst(compiler, ORI | S(src1) | A(dst) | IMM(compiler->imm)));
|
|
return push_inst(compiler, ORIS | S(dst) | A(dst) | IMM(compiler->imm >> 16));
|
|
}
|
|
return push_inst(compiler, OR | RC(flags) | S(src1) | A(dst) | B(src2));
|
|
|
|
case SLJIT_XOR:
|
|
if (flags & ALT_FORM1) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
return push_inst(compiler, XORI | S(src1) | A(dst) | compiler->imm);
|
|
}
|
|
if (flags & ALT_FORM2) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
return push_inst(compiler, XORIS | S(src1) | A(dst) | compiler->imm);
|
|
}
|
|
if (flags & ALT_FORM3) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
FAIL_IF(push_inst(compiler, XORI | S(src1) | A(dst) | IMM(compiler->imm)));
|
|
return push_inst(compiler, XORIS | S(dst) | A(dst) | IMM(compiler->imm >> 16));
|
|
}
|
|
return push_inst(compiler, XOR | RC(flags) | S(src1) | A(dst) | B(src2));
|
|
|
|
case SLJIT_SHL:
|
|
if (flags & ALT_FORM1) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
if (flags & ALT_FORM2) {
|
|
compiler->imm &= 0x1f;
|
|
return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11) | ((31 - compiler->imm) << 1));
|
|
}
|
|
compiler->imm &= 0x3f;
|
|
return push_inst(compiler, RLDI(dst, src1, compiler->imm, 63 - compiler->imm, 1) | RC(flags));
|
|
}
|
|
return push_inst(compiler, ((flags & ALT_FORM2) ? SLW : SLD) | RC(flags) | S(src1) | A(dst) | B(src2));
|
|
|
|
case SLJIT_LSHR:
|
|
if (flags & ALT_FORM1) {
|
|
SLJIT_ASSERT(src2 == TMP_REG2);
|
|
if (flags & ALT_FORM2) {
|
|
compiler->imm &= 0x1f;
|
|
return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (((32 - compiler->imm) & 0x1f) << 11) | (compiler->imm << 6) | (31 << 1));
|
|
}
|
|
compiler->imm &= 0x3f;
|
|
return push_inst(compiler, RLDI(dst, src1, 64 - compiler->imm, compiler->imm, 0) | RC(flags));
|
|
}
|
|
return push_inst(compiler, ((flags & ALT_FORM2) ? SRW : SRD) | RC(flags) | S(src1) | A(dst) | B(src2));
|
|
|
|
case SLJIT_ASHR:
|
|
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));
|
|
}
|
|
compiler->imm &= 0x3f;
|
|
return push_inst(compiler, SRADI | RC(flags) | S(src1) | A(dst) | ((compiler->imm & 0x1f) << 11) | ((compiler->imm & 0x20) >> 4));
|
|
}
|
|
return push_inst(compiler, ((flags & ALT_FORM2) ? SRAW : SRAD) | RC(flags) | S(src1) | A(dst) | B(src2));
|
|
}
|
|
|
|
SLJIT_UNREACHABLE();
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_s32 *src)
|
|
{
|
|
sljit_s32 arg_count = 0;
|
|
sljit_s32 word_arg_count = 0;
|
|
sljit_s32 types = 0;
|
|
sljit_s32 reg = 0;
|
|
|
|
if (src)
|
|
reg = *src & REG_MASK;
|
|
|
|
arg_types >>= SLJIT_DEF_SHIFT;
|
|
|
|
while (arg_types) {
|
|
types = (types << SLJIT_DEF_SHIFT) | (arg_types & SLJIT_DEF_MASK);
|
|
|
|
switch (arg_types & SLJIT_DEF_MASK) {
|
|
case SLJIT_ARG_TYPE_F32:
|
|
case SLJIT_ARG_TYPE_F64:
|
|
arg_count++;
|
|
break;
|
|
default:
|
|
arg_count++;
|
|
word_arg_count++;
|
|
|
|
if (arg_count != word_arg_count && arg_count == reg) {
|
|
FAIL_IF(push_inst(compiler, OR | S(reg) | A(TMP_CALL_REG) | B(reg)));
|
|
*src = TMP_CALL_REG;
|
|
}
|
|
break;
|
|
}
|
|
|
|
arg_types >>= SLJIT_DEF_SHIFT;
|
|
}
|
|
|
|
while (types) {
|
|
switch (types & SLJIT_DEF_MASK) {
|
|
case SLJIT_ARG_TYPE_F32:
|
|
case SLJIT_ARG_TYPE_F64:
|
|
arg_count--;
|
|
break;
|
|
default:
|
|
if (arg_count != word_arg_count)
|
|
FAIL_IF(push_inst(compiler, OR | S(word_arg_count) | A(arg_count) | B(word_arg_count)));
|
|
|
|
arg_count--;
|
|
word_arg_count--;
|
|
break;
|
|
}
|
|
|
|
types >>= SLJIT_DEF_SHIFT;
|
|
}
|
|
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_s32 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)));
|
|
FAIL_IF(PUSH_RLDICR(reg, 31));
|
|
FAIL_IF(push_inst(compiler, ORIS | S(reg) | A(reg) | IMM(init_value >> 16)));
|
|
return push_inst(compiler, ORI | S(reg) | A(reg) | IMM(init_value));
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
|
|
{
|
|
sljit_ins *inst = (sljit_ins*)addr;
|
|
SLJIT_UNUSED_ARG(executable_offset);
|
|
|
|
SLJIT_UPDATE_WX_FLAGS(inst, inst + 5, 0);
|
|
inst[0] = (inst[0] & 0xffff0000) | ((new_target >> 48) & 0xffff);
|
|
inst[1] = (inst[1] & 0xffff0000) | ((new_target >> 32) & 0xffff);
|
|
inst[3] = (inst[3] & 0xffff0000) | ((new_target >> 16) & 0xffff);
|
|
inst[4] = (inst[4] & 0xffff0000) | (new_target & 0xffff);
|
|
SLJIT_UPDATE_WX_FLAGS(inst, inst + 5, 1);
|
|
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
|
|
SLJIT_CACHE_FLUSH(inst, inst + 5);
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
|
|
{
|
|
sljit_set_jump_addr(addr, new_constant, executable_offset);
|
|
}
|