clang_x86_asm.patch

From 01e994d74e4e3937ee1a3efdc048320a1e51f818 Mon Sep 17 00:00:00 2001
From: Frank Barchard <fbarchard@chromium.org>
Date: Tue, 7 Nov 2017 18:17:33 -0800
Subject: [PATCH] Enable SSE2 code without -msse

Bug: libyuv:754
Test: CC=clang CXX=clang++ CFLAGS="-m32" CXXFLAGS="-m32 -mno-sse -O2" make -f linux.mk
Change-Id: I74bf8d032013694e65ea7637bc38d3253db53ff2
Reviewed-on: https://chromium-review.googlesource.com/758043
Reviewed-by: Frank Barchard <fbarchard@google.com>
---
 include/libyuv/compare_row.h      | 2 +-
 include/libyuv/planar_functions.h | 2 +-
 include/libyuv/rotate_row.h       | 2 +-
 include/libyuv/row.h              | 2 +-
 include/libyuv/scale_row.h        | 2 +-
 linux.mk                          | 2 +-
 source/row_gcc.cc                 | 6 +++---
 7 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/include/libyuv/compare_row.h b/include/libyuv/compare_row.h
index 9b7013a2..a34f9ad4 100644
--- a/include/libyuv/compare_row.h
+++ b/include/libyuv/compare_row.h
@@ -14,17 +14,17 @@
 #include "libyuv/basic_types.h"
 
 #ifdef __cplusplus
 namespace libyuv {
 extern "C" {
 #endif
 
 #if defined(__pnacl__) || defined(__CLR_VER) || \
-    (defined(__i386__) && !defined(__SSE2__))
+    (defined(__i386__) && !defined(__SSE__) && !defined(__clang__))
 #define LIBYUV_DISABLE_X86
 #endif
 // MemorySanitizer does not support assembly code yet. http://crbug.com/344505
 #if defined(__has_feature)
 #if __has_feature(memory_sanitizer)
 #define LIBYUV_DISABLE_X86
 #endif
 #endif
diff --git a/include/libyuv/planar_functions.h b/include/libyuv/planar_functions.h
index d97965cb..c91501a9 100644
--- a/include/libyuv/planar_functions.h
+++ b/include/libyuv/planar_functions.h
@@ -715,17 +715,17 @@ int I420Interpolate(const uint8* src0_y,
                     int dst_stride_u,
                     uint8* dst_v,
                     int dst_stride_v,
                     int width,
                     int height,
                     int interpolation);
 
 #if defined(__pnacl__) || defined(__CLR_VER) || \
-    (defined(__i386__) && !defined(__SSE2__))
+    (defined(__i386__) && !defined(__SSE__) && !defined(__clang__))
 #define LIBYUV_DISABLE_X86
 #endif
 // MemorySanitizer does not support assembly code yet. http://crbug.com/344505
 #if defined(__has_feature)
 #if __has_feature(memory_sanitizer)
 #define LIBYUV_DISABLE_X86
 #endif
 #endif
diff --git a/include/libyuv/rotate_row.h b/include/libyuv/rotate_row.h
index 60ac55ef..973fc152 100644
--- a/include/libyuv/rotate_row.h
+++ b/include/libyuv/rotate_row.h
@@ -14,17 +14,17 @@
 #include "libyuv/basic_types.h"
 
 #ifdef __cplusplus
 namespace libyuv {
 extern "C" {
 #endif
 
 #if defined(__pnacl__) || defined(__CLR_VER) || \
-    (defined(__i386__) && !defined(__SSE2__))
+    (defined(__i386__) && !defined(__SSE__) && !defined(__clang__))
 #define LIBYUV_DISABLE_X86
 #endif
 // MemorySanitizer does not support assembly code yet. http://crbug.com/344505
 #if defined(__has_feature)
 #if __has_feature(memory_sanitizer)
 #define LIBYUV_DISABLE_X86
 #endif
 #endif
diff --git a/include/libyuv/row.h b/include/libyuv/row.h
index 5ccf94d9..6f0cd500 100644
--- a/include/libyuv/row.h
+++ b/include/libyuv/row.h
@@ -26,17 +26,17 @@ extern "C" {
   uint8* var##_mem = (uint8*)(malloc((size) + 63));         /* NOLINT */ \
   uint8* var = (uint8*)(((intptr_t)(var##_mem) + 63) & ~63) /* NOLINT */
 
 #define free_aligned_buffer_64(var) \
   free(var##_mem);                  \
   var = 0
 
 #if defined(__pnacl__) || defined(__CLR_VER) || \
-    (defined(__i386__) && !defined(__SSE2__))
+    (defined(__i386__) && !defined(__SSE__) && !defined(__clang__))
 #define LIBYUV_DISABLE_X86
 #endif
 // MemorySanitizer does not support assembly code yet. http://crbug.com/344505
 #if defined(__has_feature)
 #if __has_feature(memory_sanitizer)
 #define LIBYUV_DISABLE_X86
 #endif
 #endif
diff --git a/include/libyuv/scale_row.h b/include/libyuv/scale_row.h
index ebafac4f..b97f3e78 100644
--- a/include/libyuv/scale_row.h
+++ b/include/libyuv/scale_row.h
@@ -15,17 +15,17 @@
 #include "libyuv/scale.h"
 
 #ifdef __cplusplus
 namespace libyuv {
 extern "C" {
 #endif
 
 #if defined(__pnacl__) || defined(__CLR_VER) || \
-    (defined(__i386__) && !defined(__SSE2__))
+    (defined(__i386__) && !defined(__SSE__) && !defined(__clang__))
 #define LIBYUV_DISABLE_X86
 #endif
 // MemorySanitizer does not support assembly code yet. http://crbug.com/344505
 #if defined(__has_feature)
 #if __has_feature(memory_sanitizer)
 #define LIBYUV_DISABLE_X86
 #endif
 #endif
diff --git a/linux.mk b/linux.mk
index 1dd527c7..7e9aa5e4 100644
--- a/linux.mk
+++ b/linux.mk
@@ -75,9 +75,9 @@ psnr: util/psnr.cc
 
 # A C test utility that uses libyuv conversion from C.
 # gcc 4.4 and older require -fno-exceptions to avoid link error on __gxx_personality_v0
 # CC=gcc-4.4 CXXFLAGS=-fno-exceptions CXX=g++-4.4 make -f linux.mk
 cpuid: util/cpuid.c libyuv.a
 	$(CC) $(CFLAGS) -o $@ util/cpuid.c libyuv.a
 
 clean:
-	/bin/rm -f source/*.o *.ii *.s libyuv.a convert cpuid psnr
+	/bin/rm -f source/*.o *.ii *.s libyuv.a yuvconvert cpuid psnr
diff --git a/source/row_gcc.cc b/source/row_gcc.cc
index 3af32045..93399f0b 100644
--- a/source/row_gcc.cc
+++ b/source/row_gcc.cc
@@ -5474,17 +5474,17 @@ void HalfFloatRow_SSE2(const uint16* src, uint16* dst, float scale, int width) {
     "psrld       $0xd,%%xmm3                   \n"
     "packssdw    %%xmm3,%%xmm2                 \n"
     MEMOPMEM(movdqu,xmm2,-0x10,0,1,1)
     "sub         $0x8,%2                       \n"
     "jg          1b                            \n"
   : "+r"(src),    // %0
     "+r"(dst),    // %1
     "+r"(width)   // %2
-  : "x"(scale * kScaleBias)   // %3
+  : "mx"(scale * kScaleBias)   // %3
   : "memory", "cc",
     "xmm2", "xmm3", "xmm4", "xmm5"
   );
 }
 #endif  // HAS_HALFFLOATROW_SSE2
 
 #ifdef HAS_HALFFLOATROW_AVX2
 void HalfFloatRow_AVX2(const uint16* src, uint16* dst, float scale, int width) {
@@ -5510,17 +5510,17 @@ void HalfFloatRow_AVX2(const uint16* src, uint16* dst, float scale, int width) {
     MEMOPMEM(vmovdqu,ymm2,-0x20,0,1,1)
     "sub        $0x10,%2                       \n"
     "jg         1b                             \n"
 
     "vzeroupper                                \n"
   : "+r"(src),    // %0
     "+r"(dst),    // %1
     "+r"(width)   // %2
-  : "x"(scale * kScaleBias)   // %3
+  : "mx"(scale * kScaleBias)   // %3
   : "memory", "cc",
     "xmm2", "xmm3", "xmm4", "xmm5"
   );
 }
 #endif  // HAS_HALFFLOATROW_AVX2
 
 #ifdef HAS_HALFFLOATROW_F16C
 void HalfFloatRow_F16C(const uint16* src, uint16* dst, float scale, int width) {
@@ -5543,17 +5543,17 @@ void HalfFloatRow_F16C(const uint16* src, uint16* dst, float scale, int width) {
     MEMOPMEM(vmovdqu,xmm3,0x10,0,1,1)
     "add         $0x20,%0                      \n"
     "sub         $0x10,%2                      \n"
     "jg          1b                            \n"
     "vzeroupper                                \n"
   : "+r"(src),   // %0
     "+r"(dst),   // %1
     "+r"(width)  // %2
-  : "x"(scale)   // %3
+  : "mx"(scale)  // %3
   : "memory", "cc",
     "xmm2", "xmm3", "xmm4"
   );
 }
 #endif  // HAS_HALFFLOATROW_F16C
 
 #ifdef HAS_HALFFLOATROW_F16C
 void HalfFloat1Row_F16C(const uint16* src, uint16* dst, float, int width) {