diff options
Diffstat (limited to 'meta/recipes-multimedia/tremor/tremor/tremor-arm-thumb2.patch')
| -rw-r--r-- | meta/recipes-multimedia/tremor/tremor/tremor-arm-thumb2.patch | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/meta/recipes-multimedia/tremor/tremor/tremor-arm-thumb2.patch b/meta/recipes-multimedia/tremor/tremor/tremor-arm-thumb2.patch deleted file mode 100644 index 2049542227..0000000000 --- a/meta/recipes-multimedia/tremor/tremor/tremor-arm-thumb2.patch +++ /dev/null @@ -1,104 +0,0 @@ -From: Xin Ouyang <Xin.Ouyang@windriver.com> -Date: Mon, 16 Jul 2012 13:29:34 +0800 -Subject: [PATCH] tremor: add IT instructions for arm thumb2 tune flags. - -Upstream-Status: Pending - -In Thumb-2, most instructions do not have a built in condition code (except for -conditional branches). Instead, short sequences of instructions which are to be -executed conditionally can be preceded by a special "IT instruction" which -describes the condition and which of the following instructions should be -executed if the condition is false respectively. - -For the ARM/Thumb IT(If-Then) instruction: -http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0489c/Cjabicci.html - -Signed-off-by: Xin Ouyang <Xin.Ouyang@windriver.com> ---- - asm_arm.h | 14 ++++++++++++++ - 1 file changed, 14 insertions(+) - -diff --git a/asm_arm.h b/asm_arm.h -index c3bda00..823c54f 100755 ---- a/asm_arm.h -+++ b/asm_arm.h -@@ -108,9 +108,11 @@ static inline void XNPROD31(ogg_int32_t a, ogg_int32_t b, - static inline ogg_int32_t CLIP_TO_15(ogg_int32_t x) { - int tmp; - asm volatile("subs %1, %0, #32768\n\t" -+ "itt pl\n\t" - "movpl %0, #0x7f00\n\t" - "orrpl %0, %0, #0xff\n" - "adds %1, %0, #32768\n\t" -+ "it mi\n\t" - "movmi %0, #0x8000" - : "+r"(x),"=r"(tmp) - : -@@ -139,10 +141,12 @@ static inline void lsp_loop_asm(ogg_uint32_t *qip,ogg_uint32_t *pip, - - "ldmdb r0!,{r1,r3};" - "subs r1,r1,%4;" //ilsp[j]-wi -+ "it mi;" - "rsbmi r1,r1,#0;" //labs(ilsp[j]-wi) - "umull %0,r2,r1,%0;" //qi*=labs(ilsp[j]-wi) - - "subs r1,r3,%4;" //ilsp[j+1]-wi -+ "it mi;" - "rsbmi r1,r1,#0;" //labs(ilsp[j+1]-wi) - "umull %1,r3,r1,%1;" //pi*=labs(ilsp[j+1]-wi) - -@@ -167,6 +171,7 @@ static inline void lsp_loop_asm(ogg_uint32_t *qip,ogg_uint32_t *pip, - "mov r0,#0x4000;\n" - - "subs r1,r1,%4;\n" //ilsp[j]-wi -+ "it mi;\n" - "rsbmi r1,r1,#0;\n" //labs(ilsp[j]-wi) - "umull %0,r2,r1,%0;\n" //qi*=labs(ilsp[j]-wi) - "umull %1,r3,r0,%1;\n" //pi*=labs(ilsp[j+1]-wi) -@@ -190,18 +195,23 @@ static inline void lsp_loop_asm(ogg_uint32_t *qip,ogg_uint32_t *pip, - "mov r2,#0;" - "orr r1,%0,%1;" - "tst r1,#0xff000000;" -+ "itt ne;" - "addne r2,r2,#8;" - "movne r1,r1,lsr #8;" - "tst r1,#0x00f00000;" -+ "itt ne;" - "addne r2,r2,#4;" - "movne r1,r1,lsr #4;" - "tst r1,#0x000c0000;" -+ "itt ne;" - "addne r2,r2,#2;" - "movne r1,r1,lsr #2;" - "tst r1,#0x00020000;" -+ "itt ne;" - "addne r2,r2,#1;" - "movne r1,r1,lsr #1;" - "tst r1,#0x00010000;" -+ "it ne;" - "addne r2,r2,#1;" - "mov %0,%0,lsr r2;" - "mov %1,%1,lsr r2;" -@@ -222,15 +232,19 @@ static inline void lsp_norm_asm(ogg_uint32_t *qip,ogg_int32_t *qexpp){ - ogg_int32_t qexp=*qexpp; - - asm("tst %0,#0x0000ff00;" -+ "itt eq;" - "moveq %0,%0,lsl #8;" - "subeq %1,%1,#8;" - "tst %0,#0x0000f000;" -+ "itt eq;" - "moveq %0,%0,lsl #4;" - "subeq %1,%1,#4;" - "tst %0,#0x0000c000;" -+ "itt eq;" - "moveq %0,%0,lsl #2;" - "subeq %1,%1,#2;" - "tst %0,#0x00008000;" -+ "itt eq;" - "moveq %0,%0,lsl #1;" - "subeq %1,%1,#1;" - : "+r"(qi),"+r"(qexp) --- -1.7.9.5 - |