st/mesa: add null pointer checking in query object functions

[mesa.git] / src / mesa / x86 / 3dnow_normal.S

diff --git a/src/mesa/x86/3dnow_normal.S b/src/mesa/x86/3dnow_normal.S
index 4c7740a02524cde2ffa8555f4279b7509943de8d..ca95f254896aab21196e54b128f54ec9132d0f26 100644 (file)
--- a/src/mesa/x86/3dnow_normal.S
+++ b/src/mesa/x86/3dnow_normal.S
@@ -1,8 +1,6 @@
-/* $Id: 3dnow_normal.S,v 1.7 2004/04/08 08:10:37 alanh Exp $ */
 
 /*
  * Mesa 3-D graphics library
- * Version:  5.1
  *
  * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
  *
@@ -19,15 +17,19 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  */
 
 /*
  * 3Dnow assembly code by Holger Waechtler
  */
 
+#ifdef USE_3DNOW_ASM
+
+#include "assyntax.h"
 #include "matypes.h"
 #include "norm_args.h"
 
@@ -39,6 +41,7 @@
 
 ALIGNTEXT16
 GLOBL GLNAME(_mesa_3dnow_transform_normalize_normals)
+HIDDEN(_mesa_3dnow_transform_normalize_normals)
 GLNAME(_mesa_3dnow_transform_normalize_normals):
 
 #define FRAME_OFFSET 12
@@ -126,8 +129,8 @@ LLBL (G3TN_transform):
     PREFETCH   ( REGIND(EDX) )
 
     MOVD       ( MM1, REGOFF(-8, EAX) ) /*  write r2                       */
-    DEC_L      ( EBP )                  /*  decrement normal counter       */
-    JA         ( LLBL (G3TN_transform) )
+    SUB_L      ( CONST(1), EBP )                  /*  decrement normal counter       */
+    JNZ        ( LLBL (G3TN_transform) )
 
 
     POP_L      ( EDX )                  /*  end of transform ---           */
@@ -161,9 +164,9 @@ LLBL (G3TN_norm_w_lengths):
     MOVD       ( MM1, REGOFF(8, EAX) )  /*  write new x2                   */
 
     ADD_L      ( CONST(16), EAX )       /*  next r                         */
-    DEC_L      ( EBP )                  /*  decrement normal counter       */
+    SUB_L      ( CONST(1), EBP )        /*  decrement normal counter       */
 
-    JA         ( LLBL (G3TN_norm_w_lengths) )
+    JNZ        ( LLBL (G3TN_norm_w_lengths) )
     JMP        ( LLBL (G3TN_exit_3dnow) )
 
 ALIGNTEXT32
@@ -189,7 +192,7 @@ LLBL (G3TN_norm):
     MOVQ       ( MM5, MM4 )
     PUNPCKLDQ  ( MM3, MM3 )
 
-    DEC_L      ( EBP )                  /*  decrement normal counter       */
+    SUB_L      ( CONST(1), EBP )                  /*  decrement normal counter       */
     PFMUL      ( MM5, MM5 )
 
     PFRSQIT1   ( MM3, MM5 )
@@ -201,7 +204,7 @@ LLBL (G3TN_norm):
     PFMUL      ( MM5, MM1 )             /*                 | x2 (normalize*/
 
     MOVD       ( MM1, REGOFF(-8, EAX) ) /*  write new x2                  */
-    JA         ( LLBL (G3TN_norm) )
+    JNZ        ( LLBL (G3TN_norm) )
 
 LLBL (G3TN_exit_3dnow):
     FEMMS
@@ -216,6 +219,7 @@ LLBL (G3TN_end):
 
 ALIGNTEXT16
 GLOBL GLNAME(_mesa_3dnow_transform_normalize_normals_no_rot)
+HIDDEN(_mesa_3dnow_transform_normalize_normals_no_rot)
 GLNAME(_mesa_3dnow_transform_normalize_normals_no_rot):
 
 #undef FRAME_OFFSET
@@ -285,13 +289,13 @@ LLBL (G3TNNR_norm_w_lengths):           /* use precalculated lengths          */
     ADD_L      ( CONST(4), EDI )        /* next length                        */
     PFMUL      ( MM3, MM6 )             /* x1 (normalized) | x0 (normalized)  */
 
-    DEC_L      ( EBP )                  /* decrement normal counter           */
+    SUB_L      ( CONST(1), EBP )        /* decrement normal counter           */
     MOVQ       ( MM6, REGOFF(-16, EAX) ) /* write r0, r1                      */
 
     MOVD       ( MM7, REGOFF(-8, EAX) ) /* write r2                           */
     MOVD       ( REGIND(EDI), MM3 )     /*                 | length (x)       */
 
-    JA         ( LLBL (G3TNNR_norm_w_lengths) )
+    JNZ        ( LLBL (G3TNNR_norm_w_lengths) )
     JMP        ( LLBL (G3TNNR_exit_3dnow) )
 
 ALIGNTEXT32
@@ -327,7 +331,7 @@ LLBL (G3TNNR_norm):                     /* need to calculate lengths          */
     PFMUL      ( MM5, MM5 )
 
     PFRSQIT1   ( MM3, MM5 )
-    DEC_L      ( EBP )                  /* decrement normal counter           */
+    SUB_L      ( CONST(1), EBP )        /* decrement normal counter           */
 
     PFRCPIT2   ( MM4, MM5 )
     PFMUL      ( MM5, MM6 )             /* x1 (normalized) | x0 (normalized)  */
@@ -336,7 +340,7 @@ LLBL (G3TNNR_norm):                     /* need to calculate lengths          */
     PFMUL      ( MM5, MM7 )             /*                 | x2 (normalized)  */
 
     MOVD       ( MM7, REGOFF(-8, EAX) ) /* write r2                           */
-    JA         ( LLBL (G3TNNR_norm) )
+    JNZ        ( LLBL (G3TNNR_norm) )
 
 
 LLBL (G3TNNR_exit_3dnow):
@@ -355,6 +359,7 @@ LLBL (G3TNNR_end):
 
 ALIGNTEXT16
 GLOBL GLNAME(_mesa_3dnow_transform_rescale_normals_no_rot)
+HIDDEN(_mesa_3dnow_transform_rescale_normals_no_rot)
 GLNAME(_mesa_3dnow_transform_rescale_normals_no_rot):
 
 #undef FRAME_OFFSET
@@ -406,11 +411,11 @@ LLBL (G3TRNR_rescale):
     PFMUL      ( MM2, MM5 )             /*               | x2*m10             */
     ADD_L      ( CONST(16), EAX )       /* next r                             */
 
-    DEC_L      ( EBP )                  /* decrement normal counter           */
+    SUB_L      ( CONST(1), EBP )        /* decrement normal counter           */
     MOVQ       ( MM4, REGOFF(-16, EAX) ) /* write r0, r1                      */
 
     MOVD       ( MM5, REGOFF(-8, EAX) ) /* write r2                           */
-    JA         ( LLBL (G3TRNR_rescale) ) /* cnt > 0 ? -> process next normal  */
+    JNZ        ( LLBL (G3TRNR_rescale) ) /* cnt > 0 ? -> process next normal  */
 
     FEMMS
 
@@ -426,6 +431,7 @@ LLBL (G3TRNR_end):
 
 ALIGNTEXT16
 GLOBL GLNAME(_mesa_3dnow_transform_rescale_normals)
+HIDDEN(_mesa_3dnow_transform_rescale_normals)
 GLNAME(_mesa_3dnow_transform_rescale_normals):
 
 #undef  FRAME_OFFSET
@@ -505,8 +511,8 @@ LLBL (G3TR_rescale):
     PFADD      ( MM2, MM1 )             /* *not used*    | x0*m8+x1*m9+x2*m10 */
     MOVD       ( MM1, REGOFF(-8, EAX) ) /* write r2                           */
 
-    DEC_L      ( EDI )                  /* decrement normal counter           */
-    JA         ( LLBL (G3TR_rescale) )
+    SUB_L      ( CONST(1), EDI )        /* decrement normal counter           */
+    JNZ        ( LLBL (G3TR_rescale) )
 
     FEMMS
 
@@ -523,6 +529,7 @@ LLBL (G3TR_end):
 
 ALIGNTEXT16
 GLOBL GLNAME(_mesa_3dnow_transform_normals_no_rot)
+HIDDEN(_mesa_3dnow_transform_normals_no_rot)
 GLNAME(_mesa_3dnow_transform_normals_no_rot):
 
 #undef  FRAME_OFFSET
@@ -567,11 +574,11 @@ LLBL (G3TNR_transform):
     PFMUL      ( MM2, MM5 )             /*               | x2*m10             */
     ADD_L      ( CONST(16), EAX )       /* next r                             */
 
-    DEC_L      ( EDI )                  /* decrement normal counter           */
+    SUB_L      ( CONST(1), EDI )        /* decrement normal counter           */
     MOVQ       ( MM4, REGOFF(-16, EAX) ) /* write r0, r1                      */
 
     MOVD       ( MM5, REGOFF(-8, EAX) ) /* write r2                           */
-    JA         ( LLBL (G3TNR_transform) )
+    JNZ        ( LLBL (G3TNR_transform) )
 
     FEMMS
 
@@ -589,6 +596,7 @@ LLBL (G3TNR_end):
 
 ALIGNTEXT16
 GLOBL GLNAME(_mesa_3dnow_transform_normals)
+HIDDEN(_mesa_3dnow_transform_normals)
 GLNAME(_mesa_3dnow_transform_normals):
 
 #undef  FRAME_OFFSET
@@ -655,9 +663,9 @@ LLBL (G3T_transform):
     PFADD      ( MM2, MM1 )             /* *not used*    | x0*m8+x1*m9+x2*m10 */
 
     MOVD       ( MM1, REGOFF(-8, EAX) ) /* write r2                           */
-    DEC_L      ( EDI )                  /* decrement normal counter           */
+    SUB_L      ( CONST(1), EDI )        /* decrement normal counter           */
 
-    JA         ( LLBL (G3T_transform) )
+    JNZ        ( LLBL (G3T_transform) )
 
     FEMMS
 
@@ -673,6 +681,7 @@ LLBL (G3T_end):
 
 ALIGNTEXT16
 GLOBL GLNAME(_mesa_3dnow_normalize_normals)
+HIDDEN(_mesa_3dnow_normalize_normals)
 GLNAME(_mesa_3dnow_normalize_normals):
 
 #undef  FRAME_OFFSET
@@ -721,9 +730,9 @@ LLBL (G3N_norm1):                       /* use precalculated lengths          */
     ADD_L      ( CONST(16), EAX )       /* next r                             */
 
     ADD_L      ( CONST(4), EDX )        /* next length                        */
-    DEC_L      ( EBP )                  /* decrement normal counter           */
+    SUB_L      ( CONST(1), EBP )        /* decrement normal counter           */
 
-    JA         ( LLBL (G3N_norm1) )
+    JNZ        ( LLBL (G3N_norm1) )
 
     JMP        ( LLBL (G3N_end1) )
 
@@ -756,7 +765,7 @@ LLBL (G3N_norm2):                       /* need to calculate lengths          */
     PFMUL      ( MM5, MM5 )
 
     PFRSQIT1   ( MM3, MM5 )
-    DEC_L      ( EBP )                  /* decrement normal counter           */
+    SUB_L      ( CONST(1), EBP )        /* decrement normal counter           */
 
     PFRCPIT2   ( MM4, MM5 )
 
@@ -766,7 +775,7 @@ LLBL (G3N_norm2):                       /* need to calculate lengths          */
     PFMUL      ( MM5, MM1 )             /*                 | x2 (normalized)  */
     MOVD       ( MM1, REGOFF(-8, EAX) ) /* write new x2                       */
 
-    JA         ( LLBL (G3N_norm2) )
+    JNZ        ( LLBL (G3N_norm2) )
 
 LLBL (G3N_end1):
     FEMMS
@@ -784,6 +793,7 @@ LLBL (G3N_end):
 
 ALIGNTEXT16
 GLOBL GLNAME(_mesa_3dnow_rescale_normals)
+HIDDEN(_mesa_3dnow_rescale_normals)
 GLNAME(_mesa_3dnow_rescale_normals):
 
 #undef  FRAME_OFFSET
@@ -825,8 +835,8 @@ LLBL (G3R_rescale):
     MOVQ       ( MM1, REGOFF(-16, EAX) ) /* write r0, r1                      */
     MOVD       ( MM2, REGOFF(-8, EAX) ) /* write r2                           */
 
-    DEC_L      ( EDX )                  /* decrement normal counter           */
-    JA         ( LLBL (G3R_rescale) )
+    SUB_L      ( CONST(1), EDX )        /* decrement normal counter           */
+    JNZ        ( LLBL (G3R_rescale) )
 
     FEMMS
 
@@ -834,3 +844,9 @@ LLBL (G3R_end):
     POP_L      ( ESI )
     POP_L      ( EDI )
     RET
+
+#endif
+       
+#if defined (__ELF__) && defined (__linux__)
+       .section .note.GNU-stack,"",%progbits
+#endif