diff options
Diffstat (limited to 'thirdparty/pcre2/src/sljit/sljitNativePPC_64.c')
-rw-r--r-- | thirdparty/pcre2/src/sljit/sljitNativePPC_64.c | 201 |
1 files changed, 140 insertions, 61 deletions
diff --git a/thirdparty/pcre2/src/sljit/sljitNativePPC_64.c b/thirdparty/pcre2/src/sljit/sljitNativePPC_64.c index 386d247dbc..706b2ba20b 100644 --- a/thirdparty/pcre2/src/sljit/sljitNativePPC_64.c +++ b/thirdparty/pcre2/src/sljit/sljitNativePPC_64.c @@ -1,7 +1,7 @@ /* * Stack-less Just-In-Time compiler * - * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. + * 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: @@ -204,84 +204,118 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl 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(); - return push_inst(compiler, NEG | OERC(flags) | D(dst) | A(src2)); + /* 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 | RC(flags) | S(src2) | A(dst)); - return push_inst(compiler, CNTLZD | RC(flags) | S(src2) | A(dst)); + 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) { - /* Flags does not set: BIN_IMM_EXTS unnecessary. */ - SLJIT_ASSERT(src2 == TMP_REG2); - return push_inst(compiler, ADDI | D(dst) | A(src1) | compiler->imm); + 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); - return push_inst(compiler, ADDIS | D(dst) | A(src1) | compiler->imm); + + 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_FORM4) { - /* Flags does not set: BIN_IMM_EXTS unnecessary. */ - FAIL_IF(push_inst(compiler, ADDI | D(dst) | A(src1) | (compiler->imm & 0xffff))); - return push_inst(compiler, ADDIS | D(dst) | A(dst) | (((compiler->imm >> 16) & 0xffff) + ((compiler->imm >> 15) & 0x1))); - } if (!(flags & ALT_SET_FLAGS)) return push_inst(compiler, ADD | D(dst) | A(src1) | B(src2)); BIN_EXTS(); - return push_inst(compiler, ADDC | OERC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2)); + 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: - if (flags & ALT_FORM1) { - 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)); - } 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_FORM2 | ALT_FORM3)) { - SLJIT_ASSERT(src2 == TMP_REG2); - if (flags & ALT_FORM2) - FAIL_IF(push_inst(compiler, CMPI | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm)); - if (flags & ALT_FORM3) - return push_inst(compiler, CMPLI | CRD(4 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm); - return SLJIT_SUCCESS; - } - if (flags & (ALT_FORM4 | ALT_FORM5)) { - if (flags & ALT_FORM4) - FAIL_IF(push_inst(compiler, CMPL | CRD(4 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2))); - if (flags & ALT_FORM5) - return push_inst(compiler, CMP | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2)); - return SLJIT_SUCCESS; + + 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_FORM6) - FAIL_IF(push_inst(compiler, CMPL | CRD(4 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2))); - return push_inst(compiler, SUBFC | OERC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1)); + 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: - if (flags & ALT_FORM1) { - 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)); - } BIN_EXTS(); return push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1)); @@ -292,8 +326,8 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl } BIN_EXTS(); if (flags & ALT_FORM2) - return push_inst(compiler, MULLW | OERC(flags) | D(dst) | A(src2) | B(src1)); - return push_inst(compiler, MULLD | OERC(flags) | D(dst) | A(src2) | B(src1)); + 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) { @@ -345,10 +379,8 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl compiler->imm &= 0x1f; return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11) | ((31 - compiler->imm) << 1)); } - else { - compiler->imm &= 0x3f; - return push_inst(compiler, RLDI(dst, src1, compiler->imm, 63 - compiler->imm, 1) | RC(flags)); - } + 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)); @@ -359,33 +391,80 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl compiler->imm &= 0x1f; return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (((32 - compiler->imm) & 0x1f) << 11) | (compiler->imm << 6) | (31 << 1)); } - else { - compiler->imm &= 0x3f; - return push_inst(compiler, RLDI(dst, src1, 64 - compiler->imm, compiler->imm, 0) | RC(flags)); - } + 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_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; - FAIL_IF(push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11))); + return push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11)); } - else { - compiler->imm &= 0x3f; - FAIL_IF(push_inst(compiler, SRADI | RC(flags) | S(src1) | A(dst) | ((compiler->imm & 0x1f) << 11) | ((compiler->imm & 0x20) >> 4))); + 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; } - 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; + + types >>= SLJIT_DEF_SHIFT; } - SLJIT_ASSERT_STOP(); return SLJIT_SUCCESS; } |