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Minor JIT style fixes.

This commit is contained in:
Zoltán Herczeg 2016-02-15 09:15:49 +00:00
parent 94e07de498
commit 88027b4625
1 changed files with 46 additions and 44 deletions
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88
src/pcre2_jit_compile.c
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@ -38,7 +38,6 @@ POSSIBILITY OF SUCH DAMAGE.
-----------------------------------------------------------------------------
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@ -2362,6 +2361,7 @@ add_stub(common, CMP(SLJIT_GREATER, STACK_TOP, 0, STACK_LIMIT, 0));
static SLJIT_INLINE void free_stack(compiler_common *common, int size)
{
DEFINE_COMPILER;
SLJIT_ASSERT(size > 0);
OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, size * sizeof(sljit_sw));
}
@ -6127,44 +6127,6 @@ switch(type)
check_partial(common, FALSE);
return cc;
case OP_CIRC:
OP1(SLJIT_MOV, TMP2, 0, ARGUMENTS, 0);
OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, begin));
add_jump(compiler, backtracks, CMP(SLJIT_GREATER, STR_PTR, 0, TMP1, 0));
OP2(SLJIT_IAND | SLJIT_SET_E, SLJIT_UNUSED, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, options), SLJIT_IMM, PCRE2_NOTBOL);
add_jump(compiler, backtracks, JUMP(SLJIT_NOT_ZERO));
return cc;
case OP_CIRCM:
OP1(SLJIT_MOV, TMP2, 0, ARGUMENTS, 0);
OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, begin));
jump[1] = CMP(SLJIT_GREATER, STR_PTR, 0, TMP1, 0);
OP2(SLJIT_IAND | SLJIT_SET_E, SLJIT_UNUSED, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, options), SLJIT_IMM, PCRE2_NOTBOL);
add_jump(compiler, backtracks, JUMP(SLJIT_NOT_ZERO));
jump[0] = JUMP(SLJIT_JUMP);
JUMPHERE(jump[1]);
if (!common->alt_circumflex)
add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
if (common->nltype == NLTYPE_FIXED && common->newline > 255)
{
OP2(SLJIT_SUB, TMP2, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2));
add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP2, 0, TMP1, 0));
OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2));
OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1));
add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff));
add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, common->newline & 0xff));
}
else
{
skip_char_back(common);
read_char_range(common, common->nlmin, common->nlmax, TRUE);
check_newlinechar(common, common->nltype, backtracks, FALSE);
}
JUMPHERE(jump[0]);
return cc;
case OP_DOLL:
OP1(SLJIT_MOV, TMP2, 0, ARGUMENTS, 0);
OP2(SLJIT_IAND | SLJIT_SET_E, SLJIT_UNUSED, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, options), SLJIT_IMM, PCRE2_NOTEOL);
@ -6216,6 +6178,44 @@ switch(type)
JUMPHERE(jump[0]);
return cc;
case OP_CIRC:
OP1(SLJIT_MOV, TMP2, 0, ARGUMENTS, 0);
OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, begin));
add_jump(compiler, backtracks, CMP(SLJIT_GREATER, STR_PTR, 0, TMP1, 0));
OP2(SLJIT_IAND | SLJIT_SET_E, SLJIT_UNUSED, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, options), SLJIT_IMM, PCRE2_NOTBOL);
add_jump(compiler, backtracks, JUMP(SLJIT_NOT_ZERO));
return cc;
case OP_CIRCM:
OP1(SLJIT_MOV, TMP2, 0, ARGUMENTS, 0);
OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, begin));
jump[1] = CMP(SLJIT_GREATER, STR_PTR, 0, TMP1, 0);
OP2(SLJIT_IAND | SLJIT_SET_E, SLJIT_UNUSED, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, options), SLJIT_IMM, PCRE2_NOTBOL);
add_jump(compiler, backtracks, JUMP(SLJIT_NOT_ZERO));
jump[0] = JUMP(SLJIT_JUMP);
JUMPHERE(jump[1]);
if (!common->alt_circumflex)
add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
if (common->nltype == NLTYPE_FIXED && common->newline > 255)
{
OP2(SLJIT_SUB, TMP2, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2));
add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP2, 0, TMP1, 0));
OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2));
OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1));
add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff));
add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, common->newline & 0xff));
}
else
{
skip_char_back(common);
read_char_range(common, common->nlmin, common->nlmax, TRUE);
check_newlinechar(common, common->nltype, backtracks, FALSE);
}
JUMPHERE(jump[0]);
return cc;
case OP_REVERSE:
length = GET(cc, 0);
if (length == 0)
@ -7257,6 +7257,10 @@ while (TRUE)
case OP_NOT_WORD_BOUNDARY:
case OP_WORD_BOUNDARY:
case OP_CIRC:
case OP_CIRCM:
case OP_DOLL:
case OP_DOLLM:
case OP_CALLOUT:
case OP_ALT:
cc += PRIV(OP_lengths)[*cc];
@ -8943,9 +8947,7 @@ switch(opcode)
#elif PCRE2_CODE_UNIT_WIDTH == 16 || PCRE2_CODE_UNIT_WIDTH == 32
SLJIT_ASSERT((charpos_othercasebit >> 9) == 0);
if ((charpos_othercasebit & 0x100) != 0)
{
charpos_othercasebit = (charpos_othercasebit & 0xff) << 8;
}
#endif
if (charpos_othercasebit != 0)
charpos_char |= charpos_othercasebit;
@ -9347,10 +9349,10 @@ while (cc < ccend)
case OP_WORD_BOUNDARY:
case OP_EODN:
case OP_EOD:
case OP_CIRC:
case OP_CIRCM:
case OP_DOLL:
case OP_DOLLM:
case OP_CIRC:
case OP_CIRCM:
case OP_REVERSE:
cc = compile_simple_assertion_matchingpath(common, *cc, cc + 1, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks);
break;