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Diffstat (limited to 'libavcodec/x86/cabac.h')
-rw-r--r--libavcodec/x86/cabac.h18
1 files changed, 7 insertions, 11 deletions
diff --git a/libavcodec/x86/cabac.h b/libavcodec/x86/cabac.h
index a74cf0bf1f..35f4ca7fdd 100644
--- a/libavcodec/x86/cabac.h
+++ b/libavcodec/x86/cabac.h
@@ -73,10 +73,7 @@
"test "lowword" , "lowword" \n\t"\
"jnz 2f \n\t"\
"mov "byte" , %%"REG_c" \n\t"\
- "cmp "end" , %%"REG_c" \n\t"\
- "jge 1f \n\t"\
"add"OPSIZE" $2 , "byte" \n\t"\
- "1: \n\t"\
"movzwl (%%"REG_c") , "tmp" \n\t"\
"lea -1("low") , %%ecx \n\t"\
"xor "low" , %%ecx \n\t"\
@@ -93,6 +90,7 @@
#else /* BROKEN_RELOCATIONS */
#define TABLES_ARG
+#define RIP_ARG
#if HAVE_FAST_CMOV
#define BRANCHLESS_GET_CABAC_UPDATE(ret, low, range, tmp)\
@@ -134,10 +132,7 @@
"test "lowword" , "lowword" \n\t"\
" jnz 2f \n\t"\
"mov "byte" , %%"REG_c" \n\t"\
- "cmp "end" , %%"REG_c" \n\t"\
- "jge 1f \n\t"\
"add"OPSIZE" $2 , "byte" \n\t"\
- "1: \n\t"\
"movzwl (%%"REG_c") , "tmp" \n\t"\
"lea -1("low") , %%ecx \n\t"\
"xor "low" , %%ecx \n\t"\
@@ -155,7 +150,8 @@
#endif /* BROKEN_RELOCATIONS */
-#if HAVE_7REGS
+#if HAVE_7REGS && !(defined(__i386) && defined(__clang__) && (__clang_major__<2 || (__clang_major__==2 && __clang_minor__<10)))\
+ && !(defined(__i386) && !defined(__clang__) && defined(__llvm__) && __GNUC__==4 && __GNUC_MINOR__==2 && __GNUC_PATCHLEVEL__<=1)
#define get_cabac_inline get_cabac_inline_x86
static av_always_inline int get_cabac_inline_x86(CABACContext *c,
uint8_t *const state)
@@ -178,11 +174,12 @@ static av_always_inline int get_cabac_inline_x86(CABACContext *c,
AV_STRINGIFY(H264_LPS_RANGE_OFFSET),
AV_STRINGIFY(H264_MLPS_STATE_OFFSET),
"%8")
- : "=&r"(bit), "+&r"(c->low), "+&r"(c->range), "=&q"(tmp)
+ : "=&r"(bit), "=&r"(c->low), "=&r"(c->range), "=&q"(tmp)
: "r"(state), "r"(c),
"i"(offsetof(CABACContext, bytestream)),
"i"(offsetof(CABACContext, bytestream_end))
TABLES_ARG
+ ,"1"(c->low), "2"(c->range)
: "%"REG_c, "memory"
);
return bit & 1;
@@ -211,10 +208,9 @@ static av_always_inline int get_cabac_bypass_sign_x86(CABACContext *c, int val)
"movzwl (%1), %%edx \n\t"
"bswap %%edx \n\t"
"shrl $15, %%edx \n\t"
+ "add $2, %1 \n\t"
"addl %%edx, %%eax \n\t"
- "cmp %c5(%2), %1 \n\t"
- "jge 1f \n\t"
- "add"OPSIZE" $2, %c4(%2) \n\t"
+ "mov %1, %c4(%2) \n\t"
"1: \n\t"
"movl %%eax, %c3(%2) \n\t"