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-rw-r--r--media/libstagefright/codecs/aacenc/basic_op/basic_op.h139
1 files changed, 61 insertions, 78 deletions
diff --git a/media/libstagefright/codecs/aacenc/basic_op/basic_op.h b/media/libstagefright/codecs/aacenc/basic_op/basic_op.h
index 21649d4ff657..e878bbaccb7c 100644
--- a/media/libstagefright/codecs/aacenc/basic_op/basic_op.h
+++ b/media/libstagefright/codecs/aacenc/basic_op/basic_op.h
@@ -228,7 +228,7 @@ Word32 L_shr_r (Word32 L_var1, Word16 var2);
__inline Word32 ASM_L_shr(Word32 L_var1, Word16 var2)
{
Word32 result;
- asm volatile(
+ asm (
"MOV %[result], %[L_var1], ASR %[var2] \n"
:[result]"=r"(result)
:[L_var1]"r"(L_var1), [var2]"r"(var2)
@@ -239,15 +239,12 @@ __inline Word32 ASM_L_shr(Word32 L_var1, Word16 var2)
__inline Word32 ASM_L_shl(Word32 L_var1, Word16 var2)
{
Word32 result;
- asm volatile(
- "MOV r2, %[L_var1] \n"
- "MOV r3, #0x7fffffff\n"
+ asm (
"MOV %[result], %[L_var1], ASL %[var2] \n"
- "TEQ r2, %[result], ASR %[var2]\n"
- "EORNE %[result],r3,r2,ASR#31\n"
+ "TEQ %[L_var1], %[result], ASR %[var2]\n"
+ "EORNE %[result], %[mask], %[L_var1], ASR #31\n"
:[result]"=&r"(result)
- :[L_var1]"r"(L_var1), [var2]"r"(var2)
- :"r2", "r3"
+ :[L_var1]"r"(L_var1), [var2]"r"(var2), [mask]"r"(0x7fffffff)
);
return result;
}
@@ -255,10 +252,10 @@ __inline Word32 ASM_L_shl(Word32 L_var1, Word16 var2)
__inline Word32 ASM_shr(Word32 L_var1, Word16 var2)
{
Word32 result;
- asm volatile(
+ asm (
"CMP %[var2], #15\n"
- "MOVGE %[var2], #15\n"
- "MOV %[result], %[L_var1], ASR %[var2]\n"
+ "MOVLT %[result], %[L_var1], ASR %[var2]\n"
+ "MOVGE %[result], %[L_var1], ASR #15\n"
:[result]"=r"(result)
:[L_var1]"r"(L_var1), [var2]"r"(var2)
);
@@ -268,18 +265,16 @@ __inline Word32 ASM_shr(Word32 L_var1, Word16 var2)
__inline Word32 ASM_shl(Word32 L_var1, Word16 var2)
{
Word32 result;
- asm volatile(
+ Word32 tmp;
+ asm (
"CMP %[var2], #16\n"
- "MOVGE %[var2], #16\n"
- "MOV %[result], %[L_var1], ASL %[var2]\n"
- "MOV r3, #1\n"
- "MOV r2, %[result], ASR #15\n"
- "RSB r3,r3,r3,LSL #15 \n"
- "TEQ r2, %[result], ASR #31 \n"
- "EORNE %[result], r3, %[result],ASR #31"
- :[result]"=r"(result)
- :[L_var1]"r"(L_var1), [var2]"r"(var2)
- :"r2", "r3"
+ "MOVLT %[result], %[L_var1], ASL %[var2]\n"
+ "MOVGE %[result], %[L_var1], ASL #16\n"
+ "MOV %[tmp], %[result], ASR #15\n"
+ "TEQ %[tmp], %[result], ASR #31 \n"
+ "EORNE %[result], %[mask], %[result],ASR #31"
+ :[result]"=&r"(result), [tmp]"=&r"(tmp)
+ :[L_var1]"r"(L_var1), [var2]"r"(var2), [mask]"r"(0x7fff)
);
return result;
}
@@ -295,16 +290,14 @@ __inline Word16 saturate(Word32 L_var1)
{
#if ARMV5TE_SAT
Word16 result;
+ Word32 tmp;
asm volatile (
- "MOV r3, #1\n"
- "MOV r2,%[L_var1],ASR#15\n"
- "RSB r3, r3, r3, LSL #15\n"
- "TEQ r2,%[L_var1],ASR#31\n"
- "EORNE %[result],r3,%[L_var1],ASR#31\n"
+ "MOV %[tmp], %[L_var1],ASR#15\n"
+ "TEQ %[tmp], %[L_var1],ASR#31\n"
+ "EORNE %[result], %[mask],%[L_var1],ASR#31\n"
"MOVEQ %[result], %[L_var1]\n"
- :[result]"=r"(result)
- :[L_var1]"r"(L_var1)
- :"r2", "r3"
+ :[result]"=&r"(result), [tmp]"=&r"(tmp)
+ :[L_var1]"r"(L_var1), [mask]"r"(0x7fff)
);
return result;
@@ -420,7 +413,7 @@ __inline Word32 L_mult(Word16 var1, Word16 var2)
{
#if ARMV5TE_L_MULT
Word32 result;
- asm volatile(
+ asm (
"SMULBB %[result], %[var1], %[var2] \n"
"QADD %[result], %[result], %[result] \n"
:[result]"=r"(result)
@@ -450,7 +443,7 @@ __inline Word32 L_msu (Word32 L_var3, Word16 var1, Word16 var2)
{
#if ARMV5TE_L_MSU
Word32 result;
- asm volatile(
+ asm (
"SMULBB %[result], %[var1], %[var2] \n"
"QADD %[result], %[result], %[result] \n"
"QSUB %[result], %[L_var3], %[result]\n"
@@ -474,7 +467,7 @@ __inline Word32 L_sub(Word32 L_var1, Word32 L_var2)
{
#if ARMV5TE_L_SUB
Word32 result;
- asm volatile(
+ asm (
"QSUB %[result], %[L_var1], %[L_var2]\n"
:[result]"=r"(result)
:[L_var1]"r"(L_var1), [L_var2]"r"(L_var2)
@@ -589,16 +582,14 @@ __inline Word16 add (Word16 var1, Word16 var2)
{
#if ARMV5TE_ADD
Word32 result;
- asm volatile(
+ Word32 tmp;
+ asm (
"ADD %[result], %[var1], %[var2] \n"
- "MOV r3, #0x1\n"
- "MOV r2, %[result], ASR #15\n"
- "RSB r3, r3, r3, LSL, #15\n"
- "TEQ r2, %[result], ASR #31\n"
- "EORNE %[result], r3, %[result], ASR #31"
- :[result]"=r"(result)
- :[var1]"r"(var1), [var2]"r"(var2)
- :"r2", "r3"
+ "MOV %[tmp], %[result], ASR #15 \n"
+ "TEQ %[tmp], %[result], ASR #31 \n"
+ "EORNE %[result], %[mask], %[result], ASR #31"
+ :[result]"=&r"(result), [tmp]"=&r"(tmp)
+ :[var1]"r"(var1), [var2]"r"(var2), [mask]"r"(0x7fff)
);
return result;
#else
@@ -619,16 +610,14 @@ __inline Word16 sub(Word16 var1, Word16 var2)
{
#if ARMV5TE_SUB
Word32 result;
- asm volatile(
- "MOV r3, #1\n"
+ Word32 tmp;
+ asm (
"SUB %[result], %[var1], %[var2] \n"
- "RSB r3,r3,r3,LSL#15\n"
- "MOV r2, %[var1], ASR #15 \n"
- "TEQ r2, %[var1], ASR #31 \n"
- "EORNE %[result], r3, %[result], ASR #31 \n"
- :[result]"=&r"(result)
- :[var1]"r"(var1), [var2]"r"(var2)
- :"r2", "r3"
+ "MOV %[tmp], %[var1], ASR #15 \n"
+ "TEQ %[tmp], %[var1], ASR #31 \n"
+ "EORNE %[result], %[mask], %[result], ASR #31 \n"
+ :[result]"=&r"(result), [tmp]"=&r"(tmp)
+ :[var1]"r"(var1), [var2]"r"(var2), [mask]"r"(0x7fff)
);
return result;
#else
@@ -683,18 +672,15 @@ __inline Word16 div_s (Word16 var1, Word16 var2)
__inline Word16 mult (Word16 var1, Word16 var2)
{
#if ARMV5TE_MULT
- Word32 result;
- asm volatile(
- "SMULBB r2, %[var1], %[var2] \n"
- "MOV r3, #1\n"
- "MOV %[result], r2, ASR #15\n"
- "RSB r3, r3, r3, LSL #15\n"
- "MOV r2, %[result], ASR #15\n"
- "TEQ r2, %[result], ASR #31\n"
- "EORNE %[result], r3, %[result], ASR #31 \n"
- :[result]"=r"(result)
- :[var1]"r"(var1), [var2]"r"(var2)
- :"r2", "r3"
+ Word32 result, tmp;
+ asm (
+ "SMULBB %[tmp], %[var1], %[var2] \n"
+ "MOV %[result], %[tmp], ASR #15\n"
+ "MOV %[tmp], %[result], ASR #15\n"
+ "TEQ %[tmp], %[result], ASR #31\n"
+ "EORNE %[result], %[mask], %[result], ASR #31 \n"
+ :[result]"=&r"(result), [tmp]"=&r"(tmp)
+ :[var1]"r"(var1), [var2]"r"(var2), [mask]"r"(0x7fff)
);
return result;
#else
@@ -719,18 +705,17 @@ __inline Word16 norm_s (Word16 var1)
{
#if ARMV5TE_NORM_S
Word16 result;
- asm volatile(
- "MOV r2,%[var1] \n"
- "CMP r2, #0\n"
- "RSBLT %[var1], %[var1], #0 \n"
- "CLZNE %[result], %[var1]\n"
+ Word32 tmp;
+ asm (
+ "RSBS %[tmp], %[var1], #0 \n"
+ "CLZLT %[result], %[var1]\n"
+ "CLZGT %[result], %[tmp]\n"
"SUBNE %[result], %[result], #17\n"
"MOVEQ %[result], #0\n"
- "CMP r2, #-1\n"
+ "CMP %[var1], #-1\n"
"MOVEQ %[result], #15\n"
- :[result]"=r"(result)
+ :[result]"=&r"(result), [tmp]"=&r"(tmp)
:[var1]"r"(var1)
- :"r2"
);
return result;
#else
@@ -979,13 +964,11 @@ __inline Word16 round16(Word32 L_var1)
{
#if ARMV5TE_ROUND
Word16 result;
- asm volatile(
- "MOV r1,#0x00008000\n"
- "QADD %[result], %[L_var1], r1\n"
+ asm (
+ "QADD %[result], %[L_var1], %[bias]\n"
"MOV %[result], %[result], ASR #16 \n"
:[result]"=r"(result)
- :[L_var1]"r"(L_var1)
- :"r1"
+ :[L_var1]"r"(L_var1), [bias]"r"(0x8000)
);
return result;
#else
@@ -1005,7 +988,7 @@ __inline Word32 L_mac (Word32 L_var3, Word16 var1, Word16 var2)
{
#if ARMV5TE_L_MAC
Word32 result;
- asm volatile(
+ asm (
"SMULBB %[result], %[var1], %[var2]\n"
"QADD %[result], %[result], %[result]\n"
"QADD %[result], %[result], %[L_var3]\n"
@@ -1029,7 +1012,7 @@ __inline Word32 L_add (Word32 L_var1, Word32 L_var2)
{
#if ARMV5TE_L_ADD
Word32 result;
- asm volatile(
+ asm (
"QADD %[result], %[L_var1], %[L_var2]\n"
:[result]"=r"(result)
:[L_var1]"r"(L_var1), [L_var2]"r"(L_var2)
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-31 08:53:02 +0000