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Diffstat (limited to 'src/3rdparty/pcre2/src/sljit/sljitNativePPC_32.c')
-rw-r--r--src/3rdparty/pcre2/src/sljit/sljitNativePPC_32.c245
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);
-}