From: David Schleef <ds@schleef.org>
Date: Mon, 2 Aug 2010 01:34:41 +0000 (-0700)
Subject: mmx: Fix problems in recent commit
X-Git-Tag: orc-0.4.7~93
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=77bed0558d6b83db229f3c305beb6348ad870b6b;p=platform%2Fupstream%2Forc.git

mmx: Fix problems in recent commit
---

diff --git a/orc/orcprogram-mmx.c b/orc/orcprogram-mmx.c
index 5de2fe1..40a9d64 100644
--- a/orc/orcprogram-mmx.c
+++ b/orc/orcprogram-mmx.c
@@ -199,10 +199,26 @@ orc_compiler_mmx_init (OrcCompiler *compiler)
   }
   compiler->valid_regs[compiler->exec_reg] = 0;
 
-#ifndef MMX
-  compiler->loop_shift = 5 - orc_program_get_max_var_size (compiler->program);
-#else
-  compiler->loop_shift = 4 - orc_program_get_max_var_size (compiler->program);
+  switch (orc_program_get_max_var_size (compiler->program)) {
+    case 1:
+      compiler->loop_shift = 4;
+      break;
+    case 2:
+      compiler->loop_shift = 3;
+      break;
+    case 4:
+      compiler->loop_shift = 2;
+      break;
+    case 8:
+      compiler->loop_shift = 1;
+      break;
+    default:
+      ORC_ERROR("unhandled max var size %d",
+          orc_program_get_max_var_size (compiler->program));
+      break;
+  }
+#ifdef MMX
+  compiler->loop_shift--;
 #endif
 
   compiler->unroll_shift = 1;
@@ -239,7 +255,7 @@ mmx_save_accumulators (OrcCompiler *compiler)
 #ifndef MMX
         orc_mmx_emit_pshufd (compiler, ORC_MMX_SHUF(1,1,1,1), src, compiler->tmpreg);
 
-        if (compiler->vars[i].size == 2) { /* moo */
+        if (compiler->vars[i].size == 2) {
           orc_mmx_emit_660f (compiler, "paddw", 0xfd, compiler->tmpreg, src);
         } else {
           orc_mmx_emit_660f (compiler, "paddd", 0xfe, compiler->tmpreg, src);
@@ -295,9 +311,9 @@ mmx_load_constant (OrcCompiler *compiler, int reg, int size, int value)
     orc_x86_emit_mov_imm_reg (compiler, 4, value, compiler->gp_tmpreg);
     orc_x86_emit_mov_reg_mmx (compiler, compiler->gp_tmpreg, reg);
 #ifndef MMX
-    orc_mmx_emit_pshufd (compiler, 0, reg, reg);
+    orc_mmx_emit_pshufd (compiler, ORC_MMX_SHUF(0,0,0,0), reg, reg);
 #else
-    orc_mmx_emit_pshufw (compiler, 0, reg, reg);
+    orc_mmx_emit_pshufw (compiler, ORC_MMX_SHUF(1,0,1,0), reg, reg);
 #endif
   }
 
@@ -702,6 +718,8 @@ orc_compiler_mmx_assemble (OrcCompiler *compiler)
   if (set_mxcsr) {
     orc_mmx_restore_mxcsr (compiler);
   }
+#else
+  orc_x86_emit_emms (compiler);
 #endif
   orc_x86_emit_epilogue (compiler);
 
diff --git a/orc/orcprogram-sse.c b/orc/orcprogram-sse.c
index 8252c69..4ff17d2 100644
--- a/orc/orcprogram-sse.c
+++ b/orc/orcprogram-sse.c
@@ -199,10 +199,26 @@ orc_compiler_sse_init (OrcCompiler *compiler)
   }
   compiler->valid_regs[compiler->exec_reg] = 0;
 
-#ifndef MMX
-  compiler->loop_shift = 5 - orc_program_get_max_var_size (compiler->program);
-#else
-  compiler->loop_shift = 4 - orc_program_get_max_var_size (compiler->program);
+  switch (orc_program_get_max_var_size (compiler->program)) {
+    case 1:
+      compiler->loop_shift = 4;
+      break;
+    case 2:
+      compiler->loop_shift = 3;
+      break;
+    case 4:
+      compiler->loop_shift = 2;
+      break;
+    case 8:
+      compiler->loop_shift = 1;
+      break;
+    default:
+      ORC_ERROR("unhandled max var size %d",
+          orc_program_get_max_var_size (compiler->program));
+      break;
+  }
+#ifdef MMX
+  compiler->loop_shift--;
 #endif
 
   compiler->unroll_shift = 1;
@@ -295,9 +311,9 @@ sse_load_constant (OrcCompiler *compiler, int reg, int size, int value)
     orc_x86_emit_mov_imm_reg (compiler, 4, value, compiler->gp_tmpreg);
     orc_x86_emit_mov_reg_sse (compiler, compiler->gp_tmpreg, reg);
 #ifndef MMX
-    orc_sse_emit_pshufd (compiler, 0, reg, reg);
+    orc_sse_emit_pshufd (compiler, ORC_SSE_SHUF(0,0,0,0), reg, reg);
 #else
-    orc_mmx_emit_pshufw (compiler, 0, reg, reg);
+    orc_mmx_emit_pshufw (compiler, ORC_MMX_SHUF(1,0,1,0), reg, reg);
 #endif
   }
 
@@ -702,6 +718,8 @@ orc_compiler_sse_assemble (OrcCompiler *compiler)
   if (set_mxcsr) {
     orc_sse_restore_mxcsr (compiler);
   }
+#else
+  orc_x86_emit_emms (compiler);
 #endif
   orc_x86_emit_epilogue (compiler);
 
diff --git a/orc/orcrules-mmx.c b/orc/orcrules-mmx.c
index e7f9fe9..9f5fbd7 100644
--- a/orc/orcrules-mmx.c
+++ b/orc/orcrules-mmx.c
@@ -32,15 +32,17 @@ mmx_rule_loadpX (OrcCompiler *compiler, void *user, OrcInstruction *insn)
     if (src->size == 1) {
       orc_mmx_emit_punpcklbw (compiler, reg, reg);
     }
+#ifndef MMX
     if (src->size <= 2) {
-#ifdef MMX
-      orc_mmx_emit_pshufw (compiler, 0, reg, reg);
-#else
       orc_mmx_emit_pshuflw (compiler, 0, reg, reg);
-#endif
     }
-#ifndef MMX
     orc_mmx_emit_pshufd (compiler, 0, reg, reg);
+#else
+    if (src->size <= 2) {
+      orc_mmx_emit_pshufw (compiler, ORC_MMX_SHUF(0,0,0,0), reg, reg);
+    } else {
+      orc_mmx_emit_pshufw (compiler, ORC_MMX_SHUF(1,0,1,0), reg, reg);
+    }
 #endif
   } else if (src->vartype == ORC_VAR_TYPE_CONST) {
     int value = src->value;
@@ -64,6 +66,8 @@ mmx_rule_loadpX (OrcCompiler *compiler, void *user, OrcInstruction *insn)
       orc_x86_emit_mov_reg_mmx (compiler, compiler->gp_tmpreg, reg);
 #ifndef MMX
       orc_mmx_emit_pshufd (compiler, 0, reg, reg);
+#else
+      orc_mmx_emit_pshufw (compiler, ORC_MMX_SHUF(1,0,1,0), reg, reg);
 #endif
     }
   }
@@ -1263,8 +1267,13 @@ orc_compiler_mmx_register_rules (OrcTarget *target)
   orc_rule_register (rule_set, #x , mmx_rule_ ## x, NULL)
 
   /* SSE 2 */
+#ifndef MMX
   rule_set = orc_rule_set_new (orc_opcode_set_get("sys"), target,
       ORC_TARGET_MMX_MMXEXT);
+#else
+  rule_set = orc_rule_set_new (orc_opcode_set_get("sys"), target,
+      ORC_TARGET_MMX_MMX);
+#endif
 
   orc_rule_register (rule_set, "loadb", mmx_rule_loadX, NULL);
   orc_rule_register (rule_set, "loadw", mmx_rule_loadX, NULL);
diff --git a/orc/orcrules-sse.c b/orc/orcrules-sse.c
index ad049cb..556f3f6 100644
--- a/orc/orcrules-sse.c
+++ b/orc/orcrules-sse.c
@@ -32,15 +32,17 @@ sse_rule_loadpX (OrcCompiler *compiler, void *user, OrcInstruction *insn)
     if (src->size == 1) {
       orc_sse_emit_punpcklbw (compiler, reg, reg);
     }
+#ifndef MMX
     if (src->size <= 2) {
-#ifdef MMX
-      orc_mmx_emit_pshufw (compiler, 0, reg, reg);
-#else
       orc_sse_emit_pshuflw (compiler, 0, reg, reg);
-#endif
     }
-#ifndef MMX
     orc_sse_emit_pshufd (compiler, 0, reg, reg);
+#else
+    if (src->size <= 2) {
+      orc_mmx_emit_pshufw (compiler, ORC_MMX_SHUF(0,0,0,0), reg, reg);
+    } else {
+      orc_mmx_emit_pshufw (compiler, ORC_MMX_SHUF(1,0,1,0), reg, reg);
+    }
 #endif
   } else if (src->vartype == ORC_VAR_TYPE_CONST) {
     int value = src->value;
@@ -64,6 +66,8 @@ sse_rule_loadpX (OrcCompiler *compiler, void *user, OrcInstruction *insn)
       orc_x86_emit_mov_reg_sse (compiler, compiler->gp_tmpreg, reg);
 #ifndef MMX
       orc_sse_emit_pshufd (compiler, 0, reg, reg);
+#else
+      orc_mmx_emit_pshufw (compiler, ORC_MMX_SHUF(1,0,1,0), reg, reg);
 #endif
     }
   }
@@ -1263,8 +1267,13 @@ orc_compiler_sse_register_rules (OrcTarget *target)
   orc_rule_register (rule_set, #x , sse_rule_ ## x, NULL)
 
   /* SSE 2 */
+#ifndef MMX
   rule_set = orc_rule_set_new (orc_opcode_set_get("sys"), target,
       ORC_TARGET_SSE_SSE2);
+#else
+  rule_set = orc_rule_set_new (orc_opcode_set_get("sys"), target,
+      ORC_TARGET_MMX_MMX);
+#endif
 
   orc_rule_register (rule_set, "loadb", sse_rule_loadX, NULL);
   orc_rule_register (rule_set, "loadw", sse_rule_loadX, NULL);