media-libs/libaom: Fix build issues on ppc64

Closes: https://bugs.gentoo.org/671036
Package-Manager: Portage-2.3.69, Repoman-2.3.16
Signed-off-by: Jory Pratt <anarchy@gentoo.org>

2 files changed, 127 insertions, 0 deletions

diff --git a/media-libs/libaom/files/libaom-1.0.0-update-vsx-ppc.patch b/media-libs/libaom/files/libaom-1.0.0-update-vsx-ppc.patch
new file mode 100644
index 000000000000..7293c1a75e3a
--- /dev/null
+++ b/media-libs/libaom/files/libaom-1.0.0-update-vsx-ppc.patch
@@ -0,0 +1,126 @@
+From 2f8587a8b30cb2e4b45df36c6c8461a440a77336 Mon Sep 17 00:00:00 2001
+From: Luca Barbato <lu_zero@gentoo.org>
+Date: Sat, 23 Jun 2018 02:47:16 -0500
+Subject: [PATCH] Update the VSX support
+
+The CFL function signature takes a source and destination pointer.
+Also make the typedef compatible with clang.
+
+Change-Id: Ia633d10141ac0fd10af0a40b9878d18293463fb8
+---
+ av1/common/ppc/cfl_ppc.c | 85 ++++++++++++++++++++--------------------
+ 1 file changed, 42 insertions(+), 43 deletions(-)
+
+diff --git a/av1/common/ppc/cfl_ppc.c b/av1/common/ppc/cfl_ppc.c
+index 58933a7b3..026a07809 100644
+--- a/av1/common/ppc/cfl_ppc.c
++++ b/av1/common/ppc/cfl_ppc.c
+@@ -24,19 +24,21 @@
+ #define CFL_LINE_2 128
+ #define CFL_LINE_3 192
+ 
+-typedef vector int8_t int8x16_t;
+-typedef vector uint8_t uint8x16_t;
+-typedef vector int16_t int16x8_t;
+-typedef vector uint16_t uint16x8_t;
+-typedef vector int32_t int32x4_t;
+-typedef vector uint32_t uint32x4_t;
+-typedef vector uint64_t uint64x2_t;
++typedef vector signed char int8x16_t;          // NOLINT(runtime/int)
++typedef vector unsigned char uint8x16_t;       // NOLINT(runtime/int)
++typedef vector signed short int16x8_t;         // NOLINT(runtime/int)
++typedef vector unsigned short uint16x8_t;      // NOLINT(runtime/int)
++typedef vector signed int int32x4_t;           // NOLINT(runtime/int)
++typedef vector unsigned int uint32x4_t;        // NOLINT(runtime/int)
++typedef vector unsigned long long uint64x2_t;  // NOLINT(runtime/int)
+ 
+-static INLINE void subtract_average_vsx(int16_t *pred_buf, int width,
+-                                        int height, int round_offset,
++static INLINE void subtract_average_vsx(const uint16_t *src_ptr, int16_t *dst,
++                                        int width, int height, int round_offset,
+                                         int num_pel_log2) {
+-  const int16_t *end = pred_buf + height * CFL_BUF_LINE;
+-  const int16_t *sum_buf = pred_buf;
++  //  int16_t *dst = dst_ptr;
++  const int16_t *dst_end = dst + height * CFL_BUF_LINE;
++  const int16_t *sum_buf = (const int16_t *)src_ptr;
++  const int16_t *end = sum_buf + height * CFL_BUF_LINE;
+   const uint32x4_t div_shift = vec_splats((uint32_t)num_pel_log2);
+   const uint8x16_t mask_64 = { 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+                                0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 };
+@@ -71,43 +73,40 @@ static INLINE void subtract_average_vsx(int16_t *pred_buf, int width,
+   const int32x4_t avg = vec_sr(sum_32x4, div_shift);
+   const int16x8_t vec_avg = vec_pack(avg, avg);
+   do {
+-    vec_vsx_st(vec_sub(vec_vsx_ld(OFF_0, pred_buf), vec_avg), OFF_0, pred_buf);
+-    vec_vsx_st(vec_sub(vec_vsx_ld(OFF_0 + CFL_LINE_1, pred_buf), vec_avg),
+-               OFF_0 + CFL_BUF_LINE_BYTES, pred_buf);
+-    vec_vsx_st(vec_sub(vec_vsx_ld(OFF_0 + CFL_LINE_2, pred_buf), vec_avg),
+-               OFF_0 + CFL_LINE_2, pred_buf);
+-    vec_vsx_st(vec_sub(vec_vsx_ld(OFF_0 + CFL_LINE_3, pred_buf), vec_avg),
+-               OFF_0 + CFL_LINE_3, pred_buf);
++    vec_vsx_st(vec_sub(vec_vsx_ld(OFF_0, dst), vec_avg), OFF_0, dst);
++    vec_vsx_st(vec_sub(vec_vsx_ld(OFF_0 + CFL_LINE_1, dst), vec_avg),
++               OFF_0 + CFL_BUF_LINE_BYTES, dst);
++    vec_vsx_st(vec_sub(vec_vsx_ld(OFF_0 + CFL_LINE_2, dst), vec_avg),
++               OFF_0 + CFL_LINE_2, dst);
++    vec_vsx_st(vec_sub(vec_vsx_ld(OFF_0 + CFL_LINE_3, dst), vec_avg),
++               OFF_0 + CFL_LINE_3, dst);
+     if (width >= 16) {
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_1, pred_buf), vec_avg), OFF_1,
+-                 pred_buf);
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_1 + CFL_LINE_1, pred_buf), vec_avg),
+-                 OFF_1 + CFL_LINE_1, pred_buf);
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_1 + CFL_LINE_2, pred_buf), vec_avg),
+-                 OFF_1 + CFL_LINE_2, pred_buf);
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_1 + CFL_LINE_3, pred_buf), vec_avg),
+-                 OFF_1 + CFL_LINE_3, pred_buf);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_1, dst), vec_avg), OFF_1, dst);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_1 + CFL_LINE_1, dst), vec_avg),
++                 OFF_1 + CFL_LINE_1, dst);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_1 + CFL_LINE_2, dst), vec_avg),
++                 OFF_1 + CFL_LINE_2, dst);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_1 + CFL_LINE_3, dst), vec_avg),
++                 OFF_1 + CFL_LINE_3, dst);
+     }
+     if (width == 32) {
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_2, pred_buf), vec_avg), OFF_2,
+-                 pred_buf);
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_2 + CFL_LINE_1, pred_buf), vec_avg),
+-                 OFF_2 + CFL_LINE_1, pred_buf);
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_2 + CFL_LINE_2, pred_buf), vec_avg),
+-                 OFF_2 + CFL_LINE_2, pred_buf);
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_2 + CFL_LINE_3, pred_buf), vec_avg),
+-                 OFF_2 + CFL_LINE_3, pred_buf);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_2, dst), vec_avg), OFF_2, dst);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_2 + CFL_LINE_1, dst), vec_avg),
++                 OFF_2 + CFL_LINE_1, dst);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_2 + CFL_LINE_2, dst), vec_avg),
++                 OFF_2 + CFL_LINE_2, dst);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_2 + CFL_LINE_3, dst), vec_avg),
++                 OFF_2 + CFL_LINE_3, dst);
+ 
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_3, pred_buf), vec_avg), OFF_3,
+-                 pred_buf);
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_3 + CFL_LINE_1, pred_buf), vec_avg),
+-                 OFF_3 + CFL_LINE_1, pred_buf);
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_3 + CFL_LINE_2, pred_buf), vec_avg),
+-                 OFF_3 + CFL_LINE_2, pred_buf);
+-      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_3 + CFL_LINE_3, pred_buf), vec_avg),
+-                 OFF_3 + CFL_LINE_3, pred_buf);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_3, dst), vec_avg), OFF_3, dst);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_3 + CFL_LINE_1, dst), vec_avg),
++                 OFF_3 + CFL_LINE_1, dst);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_3 + CFL_LINE_2, dst), vec_avg),
++                 OFF_3 + CFL_LINE_2, dst);
++      vec_vsx_st(vec_sub(vec_vsx_ld(OFF_3 + CFL_LINE_3, dst), vec_avg),
++                 OFF_3 + CFL_LINE_3, dst);
+     }
+-  } while ((pred_buf += CFL_BUF_LINE * 4) < end);
++  } while ((dst += CFL_BUF_LINE * 4) < dst_end);
+ }
+ 
+ // Declare wrappers for VSX sizes
+-- 
+2.22.0
+
diff --git a/media-libs/libaom/libaom-1.0.0-r2.ebuild b/media-libs/libaom/libaom-1.0.0-r2.ebuild
index 2d3d0f2b2e8f..52296f61d4ae 100644
--- a/media-libs/libaom/libaom-1.0.0-r2.ebuild
+++ b/media-libs/libaom/libaom-1.0.0-r2.ebuild
@@ -47,6 +47,7 @@ PATCHES=(
 	"${FILESDIR}/pthread_lib2.patch"
 	"${FILESDIR}/${P}-version.patch"
 	"${FILESDIR}/${P}-armv7l.patch"
+	"${FILESDIR}/${P}-update-vsx-ppc.patch"
 )
 
 # the PATENTS file is required to be distributed with this package bug #682214