diff options
Diffstat (limited to 'src/3rdparty/pcre2/src/sljit/sljitNativePPC_32.c')
-rw-r--r-- | src/3rdparty/pcre2/src/sljit/sljitNativePPC_32.c | 245 |
1 files changed, 223 insertions, 22 deletions
diff --git a/src/3rdparty/pcre2/src/sljit/sljitNativePPC_32.c b/src/3rdparty/pcre2/src/sljit/sljitNativePPC_32.c index 95fe6bbe0e..2352fad5d4 100644 --- a/src/3rdparty/pcre2/src/sljit/sljitNativePPC_32.c +++ b/src/3rdparty/pcre2/src/sljit/sljitNativePPC_32.c @@ -38,12 +38,15 @@ static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 reg, return (imm & 0xffff) ? push_inst(compiler, ORI | S(reg) | A(reg) | IMM(imm)) : SLJIT_SUCCESS; } +/* Simplified mnemonics: clrlwi. */ #define INS_CLEAR_LEFT(dst, src, from) \ - (RLWINM | S(src) | A(dst) | ((from) << 6) | (31 << 1)) + (RLWINM | S(src) | A(dst) | RLWI_MBE(from, 31)) 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) { + sljit_u32 imm; + switch (op) { case SLJIT_MOV: case SLJIT_MOV_U32: @@ -82,14 +85,20 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl } return SLJIT_SUCCESS; - case SLJIT_NOT: - SLJIT_ASSERT(src1 == TMP_REG1); - return push_inst(compiler, NOR | RC(flags) | S(src2) | A(dst) | B(src2)); - case SLJIT_CLZ: SLJIT_ASSERT(src1 == TMP_REG1); return push_inst(compiler, CNTLZW | S(src2) | A(dst)); + case SLJIT_CTZ: + SLJIT_ASSERT(src1 == TMP_REG1); + FAIL_IF(push_inst(compiler, NEG | D(TMP_REG1) | A(src2))); + FAIL_IF(push_inst(compiler, AND | S(src2) | A(dst) | B(TMP_REG1))); + FAIL_IF(push_inst(compiler, CNTLZW | S(dst) | A(dst))); + FAIL_IF(push_inst(compiler, ADDI | D(TMP_REG1) | A(dst) | IMM(-32))); + /* The highest bits are set, if dst < 32, zero otherwise. */ + FAIL_IF(push_inst(compiler, SRWI(27) | S(TMP_REG1) | A(TMP_REG1))); + return push_inst(compiler, XOR | S(dst) | A(dst) | B(TMP_REG1)); + case SLJIT_ADD: if (flags & ALT_FORM1) { /* Setting XER SO is not enough, CR SO is also needed. */ @@ -103,12 +112,14 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl if (flags & ALT_FORM3) return push_inst(compiler, ADDIS | D(dst) | A(src1) | compiler->imm); + imm = compiler->imm; + if (flags & ALT_FORM4) { - FAIL_IF(push_inst(compiler, ADDIS | D(dst) | A(src1) | (((compiler->imm >> 16) & 0xffff) + ((compiler->imm >> 15) & 0x1)))); + FAIL_IF(push_inst(compiler, ADDIS | D(dst) | A(src1) | (((imm >> 16) & 0xffff) + ((imm >> 15) & 0x1)))); src1 = dst; } - return push_inst(compiler, ADDI | D(dst) | A(src1) | (compiler->imm & 0xffff)); + return push_inst(compiler, ADDI | D(dst) | A(src1) | (imm & 0xffff)); } if (flags & ALT_FORM3) { SLJIT_ASSERT(src2 == TMP_REG2); @@ -208,8 +219,10 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl } 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)); + imm = compiler->imm; + + FAIL_IF(push_inst(compiler, ORI | S(src1) | A(dst) | IMM(imm))); + return push_inst(compiler, ORIS | S(dst) | A(dst) | IMM(imm >> 16)); } return push_inst(compiler, OR | RC(flags) | S(src1) | A(dst) | B(src2)); @@ -224,34 +237,82 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl } 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)); + imm = compiler->imm; + + FAIL_IF(push_inst(compiler, XORI | S(src1) | A(dst) | IMM(imm))); + return push_inst(compiler, XORIS | S(dst) | A(dst) | IMM(imm >> 16)); + } + if (flags & ALT_FORM4) { + SLJIT_ASSERT(src1 == TMP_REG1); + return push_inst(compiler, NOR | RC(flags) | S(src2) | A(dst) | B(src2)); } return push_inst(compiler, XOR | RC(flags) | S(src1) | A(dst) | B(src2)); case SLJIT_SHL: + case SLJIT_MSHL: if (flags & ALT_FORM1) { SLJIT_ASSERT(src2 == TMP_REG2); - compiler->imm &= 0x1f; - return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11) | ((31 - compiler->imm) << 1)); + imm = compiler->imm & 0x1f; + return push_inst(compiler, SLWI(imm) | RC(flags) | S(src1) | A(dst)); + } + + if (op == SLJIT_MSHL) { + FAIL_IF(push_inst(compiler, ANDI | S(src2) | A(TMP_REG2) | 0x1f)); + src2 = TMP_REG2; } + return push_inst(compiler, SLW | RC(flags) | S(src1) | A(dst) | B(src2)); case SLJIT_LSHR: + case SLJIT_MLSHR: if (flags & ALT_FORM1) { SLJIT_ASSERT(src2 == TMP_REG2); - compiler->imm &= 0x1f; - return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (((32 - compiler->imm) & 0x1f) << 11) | (compiler->imm << 6) | (31 << 1)); + imm = compiler->imm & 0x1f; + /* Since imm can be 0, SRWI() cannot be used. */ + return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | RLWI_SH((32 - imm) & 0x1f) | RLWI_MBE(imm, 31)); } + + if (op == SLJIT_MLSHR) { + FAIL_IF(push_inst(compiler, ANDI | S(src2) | A(TMP_REG2) | 0x1f)); + src2 = TMP_REG2; + } + return push_inst(compiler, SRW | RC(flags) | S(src1) | A(dst) | B(src2)); case SLJIT_ASHR: + case SLJIT_MASHR: if (flags & ALT_FORM1) { SLJIT_ASSERT(src2 == TMP_REG2); - compiler->imm &= 0x1f; - return push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11)); + imm = compiler->imm & 0x1f; + return push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (imm << 11)); + } + + if (op == SLJIT_MASHR) { + FAIL_IF(push_inst(compiler, ANDI | S(src2) | A(TMP_REG2) | 0x1f)); + src2 = TMP_REG2; } + return push_inst(compiler, SRAW | RC(flags) | S(src1) | A(dst) | B(src2)); + + case SLJIT_ROTL: + case SLJIT_ROTR: + if (flags & ALT_FORM1) { + SLJIT_ASSERT(src2 == TMP_REG2); + imm = compiler->imm; + + if (op == SLJIT_ROTR) + imm = (sljit_u32)(-(sljit_s32)imm); + + imm &= 0x1f; + return push_inst(compiler, RLWINM | S(src1) | A(dst) | RLWI_SH(imm) | RLWI_MBE(0, 31)); + } + + if (op == SLJIT_ROTR) { + FAIL_IF(push_inst(compiler, SUBFIC | D(TMP_REG2) | A(src2) | 0)); + src2 = TMP_REG2; + } + + return push_inst(compiler, RLWNM | S(src1) | A(dst) | B(src2) | RLWI_MBE(0, 31)); } SLJIT_UNREACHABLE(); @@ -264,6 +325,151 @@ static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_ return push_inst(compiler, ORI | S(reg) | A(reg) | IMM(init_value)); } +static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src, sljit_sw srcw) +{ + sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; + sljit_s32 invert_sign = 1; + + if (src == SLJIT_IMM) { + FAIL_IF(load_immediate(compiler, TMP_REG1, srcw ^ (sljit_sw)0x80000000)); + src = TMP_REG1; + invert_sign = 0; + } else if (!FAST_IS_REG(src)) { + FAIL_IF(emit_op_mem(compiler, WORD_DATA | SIGNED_DATA | LOAD_DATA, TMP_REG1, src, srcw, TMP_REG1)); + src = TMP_REG1; + } + + /* First, a special double precision floating point value is constructed: + (2^53 + (src xor (2^31))) + The upper 32 bits of this number is a constant, and the lower 32 bits + is simply the value of the source argument. The xor 2^31 operation adds + 0x80000000 to the source argument, which moves it into the 0 - 0xffffffff + range. Finally we substract 2^53 + 2^31 to get the converted value. */ + FAIL_IF(push_inst(compiler, ADDIS | D(TMP_REG2) | A(0) | 0x4330)); + if (invert_sign) + FAIL_IF(push_inst(compiler, XORIS | S(src) | A(TMP_REG1) | 0x8000)); + FAIL_IF(push_inst(compiler, STW | S(TMP_REG2) | A(SLJIT_SP) | TMP_MEM_OFFSET_HI)); + FAIL_IF(push_inst(compiler, STW | S(TMP_REG1) | A(SLJIT_SP) | TMP_MEM_OFFSET_LO)); + FAIL_IF(push_inst(compiler, ADDIS | D(TMP_REG1) | A(0) | 0x8000)); + FAIL_IF(push_inst(compiler, LFD | FS(TMP_FREG1) | A(SLJIT_SP) | TMP_MEM_OFFSET)); + FAIL_IF(push_inst(compiler, STW | S(TMP_REG1) | A(SLJIT_SP) | TMP_MEM_OFFSET_LO)); + FAIL_IF(push_inst(compiler, LFD | FS(TMP_FREG2) | A(SLJIT_SP) | TMP_MEM_OFFSET)); + + FAIL_IF(push_inst(compiler, FSUB | FD(dst_r) | FA(TMP_FREG1) | FB(TMP_FREG2))); + + if (op & SLJIT_32) + FAIL_IF(push_inst(compiler, FRSP | FD(dst_r) | FB(dst_r))); + + if (dst & SLJIT_MEM) + return emit_op_mem(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, TMP_REG1); + return SLJIT_SUCCESS; +} + +static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_uw(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src, sljit_sw srcw) +{ + sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; + + if (src == SLJIT_IMM) { + FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); + src = TMP_REG1; + } else if (!FAST_IS_REG(src)) { + FAIL_IF(emit_op_mem(compiler, WORD_DATA | SIGNED_DATA | LOAD_DATA, TMP_REG1, src, srcw, TMP_REG1)); + src = TMP_REG1; + } + + /* First, a special double precision floating point value is constructed: + (2^53 + src) + The upper 32 bits of this number is a constant, and the lower 32 bits + is simply the value of the source argument. Finally we substract 2^53 + to get the converted value. */ + FAIL_IF(push_inst(compiler, ADDIS | D(TMP_REG2) | A(0) | 0x4330)); + FAIL_IF(push_inst(compiler, STW | S(src) | A(SLJIT_SP) | TMP_MEM_OFFSET_LO)); + FAIL_IF(push_inst(compiler, STW | S(TMP_REG2) | A(SLJIT_SP) | TMP_MEM_OFFSET_HI)); + + FAIL_IF(push_inst(compiler, LFD | FS(TMP_FREG1) | A(SLJIT_SP) | TMP_MEM_OFFSET)); + FAIL_IF(push_inst(compiler, STW | S(TMP_ZERO) | A(SLJIT_SP) | TMP_MEM_OFFSET_LO)); + FAIL_IF(push_inst(compiler, LFD | FS(TMP_FREG2) | A(SLJIT_SP) | TMP_MEM_OFFSET)); + + FAIL_IF(push_inst(compiler, FSUB | FD(dst_r) | FA(TMP_FREG1) | FB(TMP_FREG2))); + + if (op & SLJIT_32) + FAIL_IF(push_inst(compiler, FRSP | FD(dst_r) | FB(dst_r))); + + if (dst & SLJIT_MEM) + return emit_op_mem(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, TMP_REG1); + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fset64(struct sljit_compiler *compiler, + sljit_s32 freg, sljit_f64 value) +{ + union { + sljit_s32 imm[2]; + sljit_f64 value; + } u; + + CHECK_ERROR(); + CHECK(check_sljit_emit_fset64(compiler, freg, value)); + + u.value = value; + + if (u.imm[0] != 0) + FAIL_IF(load_immediate(compiler, TMP_REG1, u.imm[0])); + if (u.imm[1] != 0) + FAIL_IF(load_immediate(compiler, TMP_REG2, u.imm[1])); + + /* Saved in the same endianness. */ + FAIL_IF(push_inst(compiler, STW | S(u.imm[0] != 0 ? TMP_REG1 : TMP_ZERO) | A(SLJIT_SP) | TMP_MEM_OFFSET)); + FAIL_IF(push_inst(compiler, STW | S(u.imm[1] != 0 ? TMP_REG2 : TMP_ZERO) | A(SLJIT_SP) | (TMP_MEM_OFFSET + sizeof(sljit_s32)))); + return push_inst(compiler, LFD | FS(freg) | A(SLJIT_SP) | TMP_MEM_OFFSET); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fcopy(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 freg, sljit_s32 reg) +{ + sljit_s32 reg2 = 0; + + CHECK_ERROR(); + CHECK(check_sljit_emit_fcopy(compiler, op, freg, reg)); + + if (op & SLJIT_32) { + if (op == SLJIT_COPY32_TO_F32) { + FAIL_IF(push_inst(compiler, STW | S(reg) | A(SLJIT_SP) | TMP_MEM_OFFSET)); + return push_inst(compiler, LFS | FS(freg) | A(SLJIT_SP) | TMP_MEM_OFFSET); + } + + FAIL_IF(push_inst(compiler, STFS | FS(freg) | A(SLJIT_SP) | TMP_MEM_OFFSET)); + return push_inst(compiler, LWZ | S(reg) | A(SLJIT_SP) | TMP_MEM_OFFSET); + } + + if (reg & REG_PAIR_MASK) { + reg2 = REG_PAIR_SECOND(reg); + reg = REG_PAIR_FIRST(reg); + } + + if (op == SLJIT_COPY_TO_F64) { + FAIL_IF(push_inst(compiler, STW | S(reg) | A(SLJIT_SP) | TMP_MEM_OFFSET_HI)); + + if (reg2 != 0) + FAIL_IF(push_inst(compiler, STW | S(reg2) | A(SLJIT_SP) | TMP_MEM_OFFSET_LO)); + else + FAIL_IF(push_inst(compiler, STFD | FS(freg) | A(SLJIT_SP) | TMP_MEM_OFFSET_LO)); + + return push_inst(compiler, LFD | FS(freg) | A(SLJIT_SP) | TMP_MEM_OFFSET); + } + + FAIL_IF(push_inst(compiler, STFD | FS(freg) | A(SLJIT_SP) | TMP_MEM_OFFSET)); + + if (reg2 != 0) + FAIL_IF(push_inst(compiler, LWZ | S(reg2) | A(SLJIT_SP) | TMP_MEM_OFFSET_LO)); + + return push_inst(compiler, LWZ | S(reg) | A(SLJIT_SP) | TMP_MEM_OFFSET_HI); +} + 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; @@ -277,8 +483,3 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_ta inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 2); } - -SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset) -{ - sljit_set_jump_addr(addr, (sljit_uw)new_constant, executable_offset); -} |