Репозитории ALT
| S: | 0.4.5-alt4.svn20120121 |
| 5.1: | 0.4.4-alt7 |
| 4.1: | 0.4.4-alt7 |
| 4.0: | 0.4.4-alt7 |
| 3.0: | 0.4.4-alt5 |
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Патч: smpeg-0.4.4-PIC.patch
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Fix PIC issues in mmx routines
--- video/mmxflags_asm.S
+++ video/mmxflags_asm.S
@@ -1,11 +1,6 @@
#if defined(i386) && defined(USE_MMX)
-.data
- .align 16
- .type flags,@object
-flags: .long 0
-
.text
.align 4
.globl cpu_flags
@@ -40,16 +35,13 @@ cpu_flags:
xorl %ecx,%eax
je cpu_flags.L1
- pusha
+ pushl %ebx
movl $1,%eax
cpuid
+ movl %edx,%eax
- movl %edx,flags
-
- popa
-
- movl flags,%eax
+ popl %ebx
cpu_flags.L1:
ret
--- video/mmxidct_asm.S
+++ video/mmxidct_asm.S
@@ -31,11 +31,6 @@ preSC: .short 16384,22725,21407,19266,
x0005000200010001:
.long 0x00010001,0x00050002
.align 8
- .type x0040000000000000,@object
- .size x0040000000000000,8
-x0040000000000000:
- .long 0, 0x00400000
- .align 8
.type x5a825a825a825a82,@object
.size x5a825a825a825a82,8
x5a825a825a825a82:
@@ -80,8 +75,21 @@ scratch7:
x0:
.long 0,0
.align 8
+
.text
.align 4
+
+#ifdef __PIC__
+# undef __i686 /* gcc define gets in our way */
+# define MUNG(sym) sym ## @GOTOFF(%ebx)
+# define INIT_PIC() \
+ call __i686.get_pc_thunk.bx ; \
+ addl $_GLOBAL_OFFSET_TABLE_, %ebx
+#else
+# define MUNG(sym) sym
+# define INIT_PIC()
+#endif
+
.globl IDCT_mmx
.type IDCT_mmx,@function
IDCT_mmx:
@@ -92,8 +100,9 @@ IDCT_mmx:
pushl %edx
pushl %esi
pushl %edi
+ INIT_PIC()
movl 8(%ebp),%esi /* source matrix */
- leal preSC, %ecx
+ leal MUNG(preSC), %ecx
/* column 0: even part
* use V4, V12, V0, V8 to produce V22..V25
*/
@@ -109,7 +118,7 @@ IDCT_mmx:
movq %mm1, %mm2 /* added 11/1/96 */
pmulhw 8*8(%esi),%mm5 /* V8 */
psubsw %mm0, %mm1 /* V16 */
- pmulhw x5a825a825a825a82, %mm1 /* 23170 ->V18 */
+ pmulhw MUNG(x5a825a825a825a82), %mm1 /* 23170 ->V18 */
paddsw %mm0, %mm2 /* V17 */
movq %mm2, %mm0 /* duplicate V17 */
psraw $1, %mm2 /* t75=t82 */
@@ -150,7 +159,7 @@ IDCT_mmx:
paddsw %mm0, %mm3 /* V29 ; free mm0 */
movq %mm7, %mm1 /* duplicate V26 */
psraw $1, %mm3 /* t91=t94 */
- pmulhw x539f539f539f539f,%mm7 /* V33 */
+ pmulhw MUNG(x539f539f539f539f),%mm7 /* V33 */
psraw $1, %mm1 /* t96 */
movq %mm5, %mm0 /* duplicate V2 */
psraw $2, %mm4 /* t85=t87 */
@@ -158,15 +167,15 @@ IDCT_mmx:
psubsw %mm4, %mm0 /* V28 ; free mm4 */
movq %mm0, %mm2 /* duplicate V28 */
psraw $1, %mm5 /* t90=t93 */
- pmulhw x4546454645464546,%mm0 /* V35 */
+ pmulhw MUNG(x4546454645464546),%mm0 /* V35 */
psraw $1, %mm2 /* t97 */
movq %mm5, %mm4 /* duplicate t90=t93 */
psubsw %mm2, %mm1 /* V32 ; free mm2 */
- pmulhw x61f861f861f861f8,%mm1 /* V36 */
+ pmulhw MUNG(x61f861f861f861f8),%mm1 /* V36 */
psllw $1, %mm7 /* t107 */
paddsw %mm3, %mm5 /* V31 */
psubsw %mm3, %mm4 /* V30 ; free mm3 */
- pmulhw x5a825a825a825a82,%mm4 /* V34 */
+ pmulhw MUNG(x5a825a825a825a82),%mm4 /* V34 */
nop
psubsw %mm1, %mm0 /* V38 */
psubsw %mm7, %mm1 /* V37 ; free mm7 */
@@ -233,7 +242,7 @@ IDCT_mmx:
psubsw %mm7, %mm1 /* V50 */
pmulhw 8*9(%esi), %mm5 /* V9 */
paddsw %mm7, %mm2 /* V51 */
- pmulhw x5a825a825a825a82, %mm1 /* 23170 ->V52 */
+ pmulhw MUNG(x5a825a825a825a82), %mm1 /* 23170 ->V52 */
movq %mm2, %mm6 /* duplicate V51 */
psraw $1, %mm2 /* t138=t144 */
movq %mm3, %mm4 /* duplicate V1 */
@@ -274,11 +283,11 @@ IDCT_mmx:
* even more by doing the correction step in a later stage when the number
* is actually multiplied by 16
*/
- paddw x0005000200010001, %mm4
+ paddw MUNG(x0005000200010001), %mm4
psubsw %mm6, %mm3 /* V60 ; free mm6 */
psraw $1, %mm0 /* t154=t156 */
movq %mm3, %mm1 /* duplicate V60 */
- pmulhw x539f539f539f539f, %mm1 /* V67 */
+ pmulhw MUNG(x539f539f539f539f), %mm1 /* V67 */
movq %mm5, %mm6 /* duplicate V3 */
psraw $2, %mm4 /* t148=t150 */
paddsw %mm4, %mm5 /* V61 */
@@ -287,13 +296,13 @@ IDCT_mmx:
psllw $1, %mm1 /* t169 */
paddsw %mm0, %mm5 /* V65 -> result */
psubsw %mm0, %mm4 /* V64 ; free mm0 */
- pmulhw x5a825a825a825a82, %mm4 /* V68 */
+ pmulhw MUNG(x5a825a825a825a82), %mm4 /* V68 */
psraw $1, %mm3 /* t158 */
psubsw %mm6, %mm3 /* V66 */
movq %mm5, %mm2 /* duplicate V65 */
- pmulhw x61f861f861f861f8, %mm3 /* V70 */
+ pmulhw MUNG(x61f861f861f861f8), %mm3 /* V70 */
psllw $1, %mm6 /* t165 */
- pmulhw x4546454645464546, %mm6 /* V69 */
+ pmulhw MUNG(x4546454645464546), %mm6 /* V69 */
psraw $1, %mm2 /* t172 */
/* moved from next block */
movq 8*5(%esi), %mm0 /* V56 */
@@ -418,7 +427,7 @@ IDCT_mmx:
* movq 8*13(%esi), %mm4 tmt13
*/
psubsw %mm4, %mm3 /* V134 */
- pmulhw x5a825a825a825a82, %mm3 /* 23170 ->V136 */
+ pmulhw MUNG(x5a825a825a825a82), %mm3 /* 23170 ->V136 */
movq 8*9(%esi), %mm6 /* tmt9 */
paddsw %mm4, %mm5 /* V135 ; mm4 free */
movq %mm0, %mm4 /* duplicate tmt1 */
@@ -447,17 +456,17 @@ IDCT_mmx:
psubsw %mm7, %mm0 /* V144 */
movq %mm0, %mm3 /* duplicate V144 */
paddsw %mm7, %mm2 /* V147 ; free mm7 */
- pmulhw x539f539f539f539f, %mm0 /* 21407-> V151 */
+ pmulhw MUNG(x539f539f539f539f), %mm0 /* 21407-> V151 */
movq %mm1, %mm7 /* duplicate tmt3 */
paddsw %mm5, %mm7 /* V145 */
psubsw %mm5, %mm1 /* V146 ; free mm5 */
psubsw %mm1, %mm3 /* V150 */
movq %mm7, %mm5 /* duplicate V145 */
- pmulhw x4546454645464546, %mm1 /* 17734-> V153 */
+ pmulhw MUNG(x4546454645464546), %mm1 /* 17734-> V153 */
psubsw %mm2, %mm5 /* V148 */
- pmulhw x61f861f861f861f8, %mm3 /* 25080-> V154 */
+ pmulhw MUNG(x61f861f861f861f8), %mm3 /* 25080-> V154 */
psllw $2, %mm0 /* t311 */
- pmulhw x5a825a825a825a82, %mm5 /* 23170-> V152 */
+ pmulhw MUNG(x5a825a825a825a82), %mm5 /* 23170-> V152 */
paddsw %mm2, %mm7 /* V149 ; free mm2 */
psllw $1, %mm1 /* t313 */
nop /* without the nop - freeze here for one clock */
@@ -483,7 +492,7 @@ IDCT_mmx:
paddsw %mm3, %mm6 /* V164 ; free mm3 */
movq %mm4, %mm3 /* duplicate V142 */
psubsw %mm5, %mm4 /* V165 ; free mm5 */
- movq %mm2, scratch7 /* out7 */
+ movq %mm2, MUNG(scratch7) /* out7 */
psraw $4, %mm6
psraw $4, %mm4
paddsw %mm5, %mm3 /* V162 */
@@ -494,11 +503,11 @@ IDCT_mmx:
*/
movq %mm6, 8*9(%esi) /* out9 */
paddsw %mm1, %mm0 /* V161 */
- movq %mm3, scratch5 /* out5 */
+ movq %mm3, MUNG(scratch5) /* out5 */
psubsw %mm1, %mm5 /* V166 ; free mm1 */
movq %mm4, 8*11(%esi) /* out11 */
psraw $4, %mm5
- movq %mm0, scratch3 /* out3 */
+ movq %mm0, MUNG(scratch3) /* out3 */
movq %mm2, %mm4 /* duplicate V140 */
movq %mm5, 8*13(%esi) /* out13 */
paddsw %mm7, %mm2 /* V160 */
@@ -508,7 +517,7 @@ IDCT_mmx:
/* moved from the next block */
movq 8*3(%esi), %mm7
psraw $4, %mm4
- movq %mm2, scratch1 /* out1 */
+ movq %mm2, MUNG(scratch1) /* out1 */
/* moved from the next block */
movq %mm0, %mm1
movq %mm4, 8*15(%esi) /* out15 */
@@ -565,15 +574,15 @@ IDCT_mmx:
paddsw %mm4, %mm3 /* V113 ; free mm4 */
movq %mm0, %mm4 /* duplicate V110 */
paddsw %mm1, %mm2 /* V111 */
- pmulhw x539f539f539f539f, %mm0 /* 21407-> V117 */
+ pmulhw MUNG(x539f539f539f539f), %mm0 /* 21407-> V117 */
psubsw %mm1, %mm5 /* V112 ; free mm1 */
psubsw %mm5, %mm4 /* V116 */
movq %mm2, %mm1 /* duplicate V111 */
- pmulhw x4546454645464546, %mm5 /* 17734-> V119 */
+ pmulhw MUNG(x4546454645464546), %mm5 /* 17734-> V119 */
psubsw %mm3, %mm2 /* V114 */
- pmulhw x61f861f861f861f8, %mm4 /* 25080-> V120 */
+ pmulhw MUNG(x61f861f861f861f8), %mm4 /* 25080-> V120 */
paddsw %mm3, %mm1 /* V115 ; free mm3 */
- pmulhw x5a825a825a825a82, %mm2 /* 23170-> V118 */
+ pmulhw MUNG(x5a825a825a825a82), %mm2 /* 23170-> V118 */
psllw $2, %mm0 /* t266 */
movq %mm1, (%esi) /* save V115 */
psllw $1, %mm5 /* t268 */
@@ -591,7 +600,7 @@ IDCT_mmx:
movq %mm6, %mm3 /* duplicate tmt4 */
psubsw %mm0, %mm6 /* V100 */
paddsw %mm0, %mm3 /* V101 ; free mm0 */
- pmulhw x5a825a825a825a82, %mm6 /* 23170 ->V102 */
+ pmulhw MUNG(x5a825a825a825a82), %mm6 /* 23170 ->V102 */
movq %mm7, %mm5 /* duplicate tmt0 */
movq 8*8(%esi), %mm1 /* tmt8 */
paddsw %mm1, %mm7 /* V103 */
@@ -625,10 +634,10 @@ IDCT_mmx:
movq 8*2(%esi), %mm3 /* V123 */
paddsw %mm4, %mm7 /* out0 */
/* moved up from next block */
- movq scratch3, %mm0
+ movq MUNG(scratch3), %mm0
psraw $4, %mm7
/* moved up from next block */
- movq scratch5, %mm6
+ movq MUNG(scratch5), %mm6
psubsw %mm4, %mm1 /* out14 ; free mm4 */
paddsw %mm3, %mm5 /* out2 */
psraw $4, %mm1
@@ -639,7 +648,7 @@ IDCT_mmx:
movq %mm5, 8*2(%esi) /* out2 ; free mm5 */
psraw $4, %mm2
/* moved up to the prev block */
- movq scratch7, %mm4
+ movq MUNG(scratch7), %mm4
/* moved up to the prev block */
psraw $4, %mm0
movq %mm2, 8*12(%esi) /* out12 ; free mm2 */
@@ -647,13 +656,13 @@ IDCT_mmx:
psraw $4, %mm6
/* move back the data to its correct place
* moved up to the prev block
- * movq scratch3, %mm0
- * movq scratch5, %mm6
- * movq scratch7, %mm4
+ * movq MUNG(scratch3), %mm0
+ * movq MUNG(scratch5), %mm6
+ * movq MUNG(scratch7), %mm4
* psraw $4, %mm0
* psraw $4, %mm6
*/
- movq scratch1, %mm1
+ movq MUNG(scratch1), %mm1
psraw $4, %mm4
movq %mm0, 8*3(%esi) /* out3 */
psraw $4, %mm1
@@ -671,6 +680,15 @@ IDCT_mmx:
.Lfe1:
.size IDCT_mmx,.Lfe1-IDCT_mmx
+#ifdef __PIC__
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
+.globl __i686.get_pc_thunk.bx
+ .hidden __i686.get_pc_thunk.bx
+ .type __i686.get_pc_thunk.bx,@function
+ __i686.get_pc_thunk.bx:
+ movl (%esp), %ebx
+ ret
+#endif
#endif /* i386 && USE_MMX */