Restoring authorship annotation for Dmitry Potapov <potapov.d@gmail.com>. Commit 1 of 2.

1 files changed, 278 insertions, 278 deletions

diff --git a/contrib/libs/pcre/sljit/sljitNativePPC_32.c b/contrib/libs/pcre/sljit/sljitNativePPC_32.c
index 3ce741153f..35d805a892 100644
--- a/contrib/libs/pcre/sljit/sljitNativePPC_32.c
+++ b/contrib/libs/pcre/sljit/sljitNativePPC_32.c
@@ -1,278 +1,278 @@
-/*
- *    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 32-bit arch dependent functions. */
-
-static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 reg, sljit_sw imm)
-{
-	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));
-
-	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;
-}
-
-#define INS_CLEAR_LEFT(dst, src, from) \
-	(RLWINM | S(src) | A(dst) | ((from) << 6) | (31 << 1))
-
-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_U32:
-	case SLJIT_MOV_S32:
-	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_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);
-		return push_inst(compiler, NOR | RC(flags) | S(src2) | A(dst) | B(src2));
-
-	case SLJIT_NEG:
-		SLJIT_ASSERT(src1 == TMP_REG1);
-		/* 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);
-		return push_inst(compiler, CNTLZW | S(src2) | A(dst));
-
-	case SLJIT_ADD:
-		if (flags & ALT_FORM1) {
-			/* Setting XER SO is not enough, CR SO is also needed. */
-			return push_inst(compiler, ADD | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2));
-		}
-
-		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);
-			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));
-		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:
-		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) | 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) | 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) {
-			/* Setting XER SO is not enough, CR SO is also needed. */
-			return push_inst(compiler, SUBF | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1));
-		}
-
-		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) | A(src1) | compiler->imm);
-			}
-			return push_inst(compiler, CMP | CRD(0) | A(src1) | B(src2));
-		}
-
-		if (!(flags & ALT_SET_FLAGS))
-			return push_inst(compiler, SUBF | 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:
-		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);
-		}
-		return push_inst(compiler, MULLW | 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);
-			compiler->imm &= 0x1f;
-			return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11) | ((31 - compiler->imm) << 1));
-		}
-		return push_inst(compiler, SLW | RC(flags) | S(src1) | A(dst) | B(src2));
-
-	case SLJIT_LSHR:
-		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));
-		}
-		return push_inst(compiler, SRW | RC(flags) | S(src1) | A(dst) | B(src2));
-
-	case SLJIT_ASHR:
-		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));
-		}
-		return push_inst(compiler, SRAW | RC(flags) | S(src1) | A(dst) | B(src2));
-	}
-
-	SLJIT_UNREACHABLE();
-	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 >> 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_ASSERT((inst[0] & 0xfc1f0000) == ADDIS && (inst[1] & 0xfc000000) == ORI);
-	inst[0] = (inst[0] & 0xffff0000) | ((new_target >> 16) & 0xffff);
-	inst[1] = (inst[1] & 0xffff0000) | (new_target & 0xffff);
-	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_ins *inst = (sljit_ins *)addr;
-
-	SLJIT_ASSERT((inst[0] & 0xfc1f0000) == ADDIS && (inst[1] & 0xfc000000) == ORI);
-	inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 16) & 0xffff);
-	inst[1] = (inst[1] & 0xffff0000) | (new_constant & 0xffff);
-	inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
-	SLJIT_CACHE_FLUSH(inst, inst + 2);
-}
+/* 
+ *    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 32-bit arch dependent functions. */ 
+ 
+static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 reg, sljit_sw imm) 
+{ 
+	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)); 
+ 
+	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; 
+} 
+ 
+#define INS_CLEAR_LEFT(dst, src, from) \ 
+	(RLWINM | S(src) | A(dst) | ((from) << 6) | (31 << 1)) 
+ 
+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_U32: 
+	case SLJIT_MOV_S32: 
+	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_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); 
+		return push_inst(compiler, NOR | RC(flags) | S(src2) | A(dst) | B(src2)); 
+ 
+	case SLJIT_NEG: 
+		SLJIT_ASSERT(src1 == TMP_REG1); 
+		/* 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); 
+		return push_inst(compiler, CNTLZW | S(src2) | A(dst)); 
+ 
+	case SLJIT_ADD: 
+		if (flags & ALT_FORM1) { 
+			/* Setting XER SO is not enough, CR SO is also needed. */ 
+			return push_inst(compiler, ADD | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2)); 
+		} 
+ 
+		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); 
+			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)); 
+		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: 
+		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) | 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) | 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) { 
+			/* Setting XER SO is not enough, CR SO is also needed. */ 
+			return push_inst(compiler, SUBF | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1)); 
+		} 
+ 
+		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) | A(src1) | compiler->imm); 
+			} 
+			return push_inst(compiler, CMP | CRD(0) | A(src1) | B(src2)); 
+		} 
+ 
+		if (!(flags & ALT_SET_FLAGS)) 
+			return push_inst(compiler, SUBF | 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: 
+		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); 
+		} 
+		return push_inst(compiler, MULLW | 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); 
+			compiler->imm &= 0x1f; 
+			return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11) | ((31 - compiler->imm) << 1)); 
+		} 
+		return push_inst(compiler, SLW | RC(flags) | S(src1) | A(dst) | B(src2)); 
+ 
+	case SLJIT_LSHR: 
+		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)); 
+		} 
+		return push_inst(compiler, SRW | RC(flags) | S(src1) | A(dst) | B(src2)); 
+ 
+	case SLJIT_ASHR: 
+		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)); 
+		} 
+		return push_inst(compiler, SRAW | RC(flags) | S(src1) | A(dst) | B(src2)); 
+	} 
+ 
+	SLJIT_UNREACHABLE(); 
+	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 >> 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_ASSERT((inst[0] & 0xfc1f0000) == ADDIS && (inst[1] & 0xfc000000) == ORI); 
+	inst[0] = (inst[0] & 0xffff0000) | ((new_target >> 16) & 0xffff); 
+	inst[1] = (inst[1] & 0xffff0000) | (new_target & 0xffff); 
+	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_ins *inst = (sljit_ins *)addr; 
+ 
+	SLJIT_ASSERT((inst[0] & 0xfc1f0000) == ADDIS && (inst[1] & 0xfc000000) == ORI); 
+	inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 16) & 0xffff); 
+	inst[1] = (inst[1] & 0xffff0000) | (new_constant & 0xffff); 
+	inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); 
+	SLJIT_CACHE_FLUSH(inst, inst + 2); 
+}