[FFmpeg-devel] [PATCH] Fix broken osx powerpc build

Jing Yu jingyu at google.com
Tue Jul 12 04:56:07 EEST 2016


Add #ifdef __APPLE__ to wrap around non-standard assembly code to make it compatible with old platform.

Is it ok for trunk?
Thanks!

---
 libavcodec/ppc/asm.S         |  4 ++++
 libavcodec/ppc/fft_altivec.S | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/libavcodec/ppc/asm.S b/libavcodec/ppc/asm.S
index 700aa0d..baf68b0 100644
--- a/libavcodec/ppc/asm.S
+++ b/libavcodec/ppc/asm.S
@@ -53,7 +53,11 @@ L(\name):
 .endm
 
 .macro movrel rd, sym, gp
+#ifdef __APPLE__
+    ld      \rd, \sym at got(r2)
+#else
     ld      \rd, \sym at got(2)
+#endif
 .endm
 
 .macro get_got rd
diff --git a/libavcodec/ppc/fft_altivec.S b/libavcodec/ppc/fft_altivec.S
index e0149a4..a6e144d 100644
--- a/libavcodec/ppc/fft_altivec.S
+++ b/libavcodec/ppc/fft_altivec.S
@@ -354,14 +354,24 @@ fft_data:
 .macro fft_calc interleave
 extfunc ff_fft_calc\interleave\()_altivec
     mflr    r0
+#ifdef __APPLE__
+    stp     r0, 2*PS(r1)
+    stpu    r1, -(160+16*PS)(r1)
+#else
     stp     r0, 2*PS(1)
     stpu    r1, -(160+16*PS)(1)
+#endif
     get_got r11
     addi    r6, r1, 16*PS
     stvm    r6, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29
     mfvrsave r0
+#ifdef __APPLE__
+    stw     r0, 15*PS(r1)
+    li      r6, 0xfffffffc
+#else
     stw     r0, 15*PS(1)
     li      r6, -4  #0xfffffffc
+#endif
     mtvrsave r6
 
     movrel  r6, fft_data, r11
@@ -372,7 +382,11 @@ extfunc ff_fft_calc\interleave\()_altivec
     movrel  r12, X(ff_cos_tabs), r11
 
     movrel  r6, fft_dispatch_tab\interleave\()_altivec, r11
+#ifdef __APPLE__
+    lwz     r3, 0(r3)
+#else
     lwz     r3, 0(3)
+#endif
     subi    r3, r3, 2
     slwi    r3, r3, 2+ARCH_PPC64
     lpx     r3, r3, r6
@@ -382,10 +396,19 @@ extfunc ff_fft_calc\interleave\()_altivec
 
     addi    r6, r1, 16*PS
     lvm     r6, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29
+#ifdef __APPLE__
+    lwz     r6, 15*PS(r1)
+#else
     lwz     r6, 15*PS(1)
+#endif
     mtvrsave r6
+#ifdef __APPLE__
+    lp      r1, 0(r1)
+    lp      r0, 2*PS(r1)
+#else
     lp      r1, 0(1)
     lp      r0, 2*PS(1)
+#endif
     mtlr    r0
     blr
 .endm
@@ -393,15 +416,24 @@ extfunc ff_fft_calc\interleave\()_altivec
 .macro DECL_FFT suffix, bits, n, n2, n4
 fft\n\suffix\()_altivec:
     mflr  r0
+#ifdef __APPLE__
+    stp   r0,PS*(\bits-3)(r1)
+#else
     stp   r0,PS*(\bits-3)(1)
+#endif
     bl    fft\n2\()_altivec
     addi2 r3,\n*4
     bl    fft\n4\()_altivec
     addi2 r3,\n*2
     bl    fft\n4\()_altivec
     addi2 r3,\n*-6
+#ifdef __APPLE__
+    lp    r0,PS*(\bits-3)(r1)
+    lp    r4,\bits*PS(r12)
+#else
     lp    r0,PS*(\bits-3)(1)
     lp    r4,\bits*PS(12)
+#endif
     mtlr  r0
     li    r5,\n/16
     b     fft_pass\suffix\()_altivec
-- 
2.8.0.rc3.226.g39d4020



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