Implement put_pixels_clamped and add_pixels_clamped in Assembler. This

allows better scheduling of the memory accesses, and is portable among
all compilers.

Originally committed as revision 709 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 45 insertions, 0 deletions

diff --git a/libavcodec/alpha/regdef.h b/libavcodec/alpha/regdef.h
new file mode 100644
index 0000000000..7e7fc06b2c
--- /dev/null
+++ b/libavcodec/alpha/regdef.h
@@ -0,0 +1,45 @@
+/* Some BSDs don't seem to have regdef.h... sigh  */
+#ifndef alpha_regdef_h
+#define alpha_regdef_h
+
+#define v0      $0      /* function return value */
+
+#define t0      $1      /* temporary registers (caller-saved) */
+#define t1      $2
+#define t2      $3
+#define t3      $4
+#define t4      $5
+#define t5      $6
+#define t6      $7
+#define t7      $8
+
+#define s0      $9      /* saved-registers (callee-saved registers) */
+#define s1      $10
+#define s2      $11
+#define s3      $12
+#define s4      $13
+#define s5      $14
+#define s6      $15
+#define fp      s6      /* frame-pointer (s6 in frame-less procedures) */
+
+#define a0      $16     /* argument registers (caller-saved) */
+#define a1      $17
+#define a2      $18
+#define a3      $19
+#define a4      $20
+#define a5      $21
+
+#define t8      $22     /* more temps (caller-saved) */
+#define t9      $23
+#define t10     $24
+#define t11     $25
+#define ra      $26     /* return address register */
+#define t12     $27
+
+#define pv      t12     /* procedure-variable register */
+#define AT      $at     /* assembler temporary */
+#define gp      $29     /* global pointer */
+#define sp      $30     /* stack pointer */
+#define zero    $31     /* reads as zero, writes are noops */
+
+#endif /* alpha_regdef_h */