Adds support for PowerPC64

3 files changed, 124 insertions, 21 deletions

diff --git a/orc/orcpowerpc.c b/orc/orcpowerpc.c
index 1d9c6c8..abace31 100644
--- a/orc/orcpowerpc.c
+++ b/orc/orcpowerpc.c
@@ -150,6 +150,48 @@ powerpc_emit_stwu (OrcCompiler *compiler, int regs, int rega, int offset)
 }
 
 void
+powerpc_emit_ld (OrcCompiler *compiler, int regd, int rega, int imm)
+{
+  unsigned int insn;
+
+  ORC_ASM_CODE(compiler,"  ld %s, %d(%s)\n",
+      powerpc_get_regname(regd),
+      imm, powerpc_get_regname(rega));
+  insn = (58<<26) | (powerpc_regnum (regd)<<21) | (powerpc_regnum (rega)<<16);
+  insn |= imm&0xffff;
+
+  powerpc_emit (compiler, insn);
+}
+
+void
+powerpc_emit_std (OrcCompiler *compiler, int regs, int rega, int offset)
+{
+  unsigned int insn;
+
+  ORC_ASM_CODE(compiler,"  std %s, %d(%s)\n",
+      powerpc_get_regname(regs),
+      offset, powerpc_get_regname(rega));
+  insn = (62<<26) | (powerpc_regnum (regs)<<21) | (powerpc_regnum (rega)<<16);
+  insn |= offset&0xffff;
+
+  powerpc_emit (compiler, insn);
+}
+
+void
+powerpc_emit_stdu (OrcCompiler *compiler, int regs, int rega, int offset)
+{
+  unsigned int insn;
+
+  ORC_ASM_CODE(compiler,"  stdu %s, %d(%s)\n",
+      powerpc_get_regname(regs),
+      offset, powerpc_get_regname(rega));
+  insn = (62<<26) | (powerpc_regnum (regs)<<21) | (powerpc_regnum (rega)<<16);
+  insn |= (offset&0xffff) | 1;
+
+  powerpc_emit (compiler, insn);
+}
+
+void
 powerpc_emit_srawi (OrcCompiler *compiler, int regd, int rega, int shift,
     int record)
 {
@@ -381,6 +423,9 @@ orc_powerpc_flush_cache (OrcCode *code)
   int size = code->code_size;
 
   ptr = code->code;
+#ifdef __powerpc64__
+  *(unsigned char **) ptr = (unsigned char *) code->exec + 24;
+#endif
   for (i=0;i<size;i+=cache_line_size) {
     __asm__ __volatile__ ("dcbst %0,%1" :: "b" (ptr), "r" (i));
   }
@@ -500,13 +545,23 @@ powerpc_load_long_constant (OrcCompiler *p, int reg, orc_uint32 a,
   powerpc_emit (p, d);
 
   powerpc_emit_label (p, label_skip);
-  powerpc_emit_lwz (p,
-      greg,
-      POWERPC_R3,
-      (int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[ORC_VAR_A2]));
-  powerpc_emit_lwz (p,
-      greg, greg,
-      (int)ORC_STRUCT_OFFSET(OrcCode, exec));
+  if (p->is_64bit) {
+    powerpc_emit_ld (p,
+	greg,
+	POWERPC_R3,
+	(int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[ORC_VAR_A2]));
+    powerpc_emit_ld (p,
+	greg, greg,
+	(int)ORC_STRUCT_OFFSET(OrcCode, exec));
+  } else {
+    powerpc_emit_lwz (p,
+	greg,
+	POWERPC_R3,
+	(int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[ORC_VAR_A2]));
+    powerpc_emit_lwz (p,
+	greg, greg,
+	(int)ORC_STRUCT_OFFSET(OrcCode, exec));
+  }
 
   powerpc_add_fixup (p, 1, p->codeptr, label_data);
   {
diff --git a/orc/orcpowerpc.h b/orc/orcpowerpc.h
index 947a833..bb6a71e 100644
--- a/orc/orcpowerpc.h
+++ b/orc/orcpowerpc.h
@@ -6,6 +6,10 @@
 
 ORC_BEGIN_DECLS
 
+typedef enum {
+  ORC_TARGET_POWERPC_64BIT = (1<<0)
+} OrcTargetPowerPCFlags;
+
 #ifdef ORC_ENABLE_UNSTABLE_API
 
 enum {
@@ -86,6 +90,9 @@ void powerpc_emit_addi (OrcCompiler *compiler, int regd, int rega, int imm);
 void powerpc_emit_lwz (OrcCompiler *compiler, int regd, int rega, int imm);
 void powerpc_emit_stw (OrcCompiler *compiler, int regs, int rega, int offset);
 void powerpc_emit_stwu (OrcCompiler *compiler, int regs, int rega, int offset);
+void powerpc_emit_ld (OrcCompiler *compiler, int regd, int rega, int imm);
+void powerpc_emit_std (OrcCompiler *compiler, int regs, int rega, int offset);
+void powerpc_emit_stdu (OrcCompiler *compiler, int regs, int rega, int offset);
 
 void powerpc_emit_ret (OrcCompiler *compiler);
 void powerpc_emit_b (OrcCompiler *compiler, int label);
diff --git a/orc/orcprogram-altivec.c b/orc/orcprogram-altivec.c
index 3801b88..56fbc7d 100644
--- a/orc/orcprogram-altivec.c
+++ b/orc/orcprogram-altivec.c
@@ -26,7 +26,17 @@ powerpc_emit_prologue (OrcCompiler *compiler)
   ORC_ASM_CODE (compiler, ".global %s\n", compiler->program->name);
   ORC_ASM_CODE (compiler, "%s:\n", compiler->program->name);
 
-  powerpc_emit_stwu (compiler, POWERPC_R1, POWERPC_R1, -16);
+  if (compiler->is_64bit) {
+    ORC_ASM_CODE (compiler, " .quad .%s,.TOC.@tocbase,0\n",
+                  compiler->program->name);
+    ORC_ASM_CODE (compiler, ".%s:\n", compiler->program->name);
+    powerpc_emit (compiler, 0); powerpc_emit (compiler, 0);
+    powerpc_emit (compiler, 0); powerpc_emit (compiler, 0);
+    powerpc_emit (compiler, 0); powerpc_emit (compiler, 0);
+    powerpc_emit_stdu (compiler, POWERPC_R1, POWERPC_R1, -16);
+  } else {
+    powerpc_emit_stwu (compiler, POWERPC_R1, POWERPC_R1, -16);
+  }
 
   for(i=POWERPC_R13;i<=POWERPC_R31;i++){
     if (compiler->used_regs[i]) {
@@ -82,7 +92,13 @@ orc_powerpc_init (void)
 unsigned int
 orc_compiler_powerpc_get_default_flags (void)
 {
-  return 0;
+  unsigned int flags = 0;
+
+#ifdef __powerpc64__
+  flags |= ORC_TARGET_POWERPC_64BIT;
+#endif
+
+  return flags;
 }
 
 void
@@ -90,6 +106,10 @@ orc_compiler_powerpc_init (OrcCompiler *compiler)
 {
   int i;
 
+  if (compiler->target_flags & ORC_TARGET_POWERPC_64BIT) {
+    compiler->is_64bit = TRUE;
+  }
+
   for(i=0;i<32;i++){
     compiler->valid_regs[POWERPC_R0+i] = 1;
     compiler->valid_regs[POWERPC_V0+i] = 1;
@@ -127,10 +147,17 @@ powerpc_load_inner_constants (OrcCompiler *compiler)
       case ORC_VAR_TYPE_SRC:
       case ORC_VAR_TYPE_DEST:
         if (compiler->vars[i].ptr_register) {
-          powerpc_emit_lwz (compiler,
-              compiler->vars[i].ptr_register,
-              POWERPC_R3,
-              (int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[i]));
+          if (compiler->is_64bit) {
+            powerpc_emit_ld (compiler,
+                compiler->vars[i].ptr_register,
+                POWERPC_R3,
+                (int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[i]));
+          } else {
+            powerpc_emit_lwz (compiler,
+                compiler->vars[i].ptr_register,
+                POWERPC_R3,
+                (int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[i]));
+          }
         } else {
           /* FIXME */
           ORC_ASM_CODE(compiler,"ERROR");
@@ -319,10 +346,17 @@ orc_compiler_powerpc_assemble (OrcCompiler *compiler)
       if (compiler->vars[k].vartype == ORC_VAR_TYPE_SRC ||
           compiler->vars[k].vartype == ORC_VAR_TYPE_DEST) {
         if (compiler->vars[k].ptr_register) {
-          powerpc_emit_lwz (compiler,
-              compiler->vars[k].ptr_register,
-              POWERPC_R3,
-              (int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[k]));
+          if (compiler->is_64bit) {
+            powerpc_emit_ld (compiler,
+                compiler->vars[k].ptr_register,
+                POWERPC_R3,
+                (int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[k]));
+          } else {
+            powerpc_emit_lwz (compiler,
+                compiler->vars[k].ptr_register,
+                POWERPC_R3,
+                (int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[k]));
+          }
           powerpc_emit_lwz (compiler,
               POWERPC_R0,
               POWERPC_R3,
@@ -331,10 +365,17 @@ orc_compiler_powerpc_assemble (OrcCompiler *compiler)
               compiler->vars[k].ptr_register,
               compiler->vars[k].ptr_register,
 	      POWERPC_R0);
-          powerpc_emit_stw (compiler,
-              compiler->vars[k].ptr_register,
-              POWERPC_R3,
-              (int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[k]));
+          if (compiler->is_64bit) {
+            powerpc_emit_std (compiler,
+                compiler->vars[k].ptr_register,
+                POWERPC_R3,
+                (int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[k]));
+          } else {
+            powerpc_emit_stw (compiler,
+                compiler->vars[k].ptr_register,
+                POWERPC_R3,
+                (int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[k]));
+          }
         } else {
           ORC_ASM_CODE(compiler,"ERROR\n");
         }