flacdsp: arm optimised lpc filter

2012-07-05 22:47:41 +01:00
parent c1c8fdab46
commit 7689eea49a
6 changed files with 192 additions and 0 deletions
--- a/libavutil/arm/asm.S
+++ b/libavutil/arm/asm.S
@@ -186,6 +186,12 @@ ELF     .size   \name, . - \name
 #endif
 .endm

+.macro  add_sh          rd,  rn,  rm,  sh:vararg
+A       add             \rd, \rn, \rm, \sh
+T       mov             \rm, \rm, \sh
+T       add             \rd, \rn, \rm
+.endm
+
 .macro  ldr_pre         rt,  rn,  rm:vararg
 A       ldr             \rt, [\rn, \rm]!
 T       add             \rn, \rn, \rm