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-rw-r--r--libavcodec/arm/asm.S93
1 files changed, 93 insertions, 0 deletions
diff --git a/libavcodec/arm/asm.S b/libavcodec/arm/asm.S
index bb999fd61a..fc7ee60357 100644
--- a/libavcodec/arm/asm.S
+++ b/libavcodec/arm/asm.S
@@ -26,7 +26,16 @@
# define ELF @
#endif
+#if CONFIG_THUMB
+# define A @
+# define T
+#else
+# define A
+# define T @
+#endif
+
.syntax unified
+T .thumb
.macro require8 val=1
ELF .eabi_attribute 24, \val
@@ -82,6 +91,90 @@ ELF .size \name, . - \name
#endif
.endm
+.macro ldr_pre rt, rn, rm:vararg
+A ldr \rt, [\rn, \rm]!
+T add \rn, \rn, \rm
+T ldr \rt, [\rn]
+.endm
+
+.macro ldr_post rt, rn, rm:vararg
+A ldr \rt, [\rn], \rm
+T ldr \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro ldrd_reg rt, rt2, rn, rm
+A ldrd \rt, \rt2, [\rn, \rm]
+T add \rt, \rn, \rm
+T ldrd \rt, \rt2, [\rt]
+.endm
+
+.macro ldrd_post rt, rt2, rn, rm
+A ldrd \rt, \rt2, [\rn], \rm
+T ldrd \rt, \rt2, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro ldrh_pre rt, rn, rm
+A ldrh \rt, [\rn, \rm]!
+T add \rn, \rn, \rm
+T ldrh \rt, [\rn]
+.endm
+
+.macro ldrh_dpre rt, rn, rm
+A ldrh \rt, [\rn, -\rm]!
+T sub \rn, \rn, \rm
+T ldrh \rt, [\rn]
+.endm
+
+.macro ldrh_post rt, rn, rm
+A ldrh \rt, [\rn], \rm
+T ldrh \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro str_post rt, rn, rm:vararg
+A str \rt, [\rn], \rm
+T str \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strb_post rt, rn, rm:vararg
+A strb \rt, [\rn], \rm
+T strb \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strd_post rt, rt2, rn, rm
+A strd \rt, \rt2, [\rn], \rm
+T strd \rt, \rt2, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strh_pre rt, rn, rm
+A strh \rt, [\rn, \rm]!
+T add \rn, \rn, \rm
+T strh \rt, [\rn]
+.endm
+
+.macro strh_dpre rt, rn, rm
+A strh \rt, [\rn, -\rm]!
+T sub \rn, \rn, \rm
+T strh \rt, [\rn]
+.endm
+
+.macro strh_post rt, rn, rm
+A strh \rt, [\rn], \rm
+T strh \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strh_dpost rt, rn, rm
+A strh \rt, [\rn], -\rm
+T strh \rt, [\rn]
+T sub \rn, \rn, \rm
+.endm
+
#if HAVE_VFP_ARGS
.eabi_attribute 28, 1
# define VFP