Work around alignment issue with OS X linker which was causing problems on Leopard and Snow Leopard

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@67 632fc199-4ca6-4c93-a231-07263d6284db
2009-10-08 09:04:56 +00:00
parent fc5dc4fa19
commit 132b5fdd6d
45 changed files with 148 additions and 0 deletions
--- a/simd/jcclrmmx.asm
+++ b/simd/jcclrmmx.asm
@@ -474,3 +474,6 @@ EXTN(jsimd_rgb_ycc_convert_mmx):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcclrss2-64.asm
+++ b/simd/jcclrss2-64.asm
@@ -482,3 +482,6 @@ EXTN(jsimd_rgb_ycc_convert_sse2):
 	pop	rbp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcclrss2.asm
+++ b/simd/jcclrss2.asm
@@ -500,3 +500,6 @@ EXTN(jsimd_rgb_ycc_convert_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcqnt3dn.asm
+++ b/simd/jcqnt3dn.asm
@@ -228,3 +228,6 @@ EXTN(jsimd_quantize_float_3dnow):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcqntmmx.asm
+++ b/simd/jcqntmmx.asm
@@ -269,3 +269,6 @@ EXTN(jsimd_quantize_mmx):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcqnts2f-64.asm
+++ b/simd/jcqnts2f-64.asm
@@ -150,3 +150,7 @@ EXTN(jsimd_quantize_float_sse2):
 	uncollect_args
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcqnts2f.asm
+++ b/simd/jcqnts2f.asm
@@ -166,3 +166,6 @@ EXTN(jsimd_quantize_float_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcqnts2i-64.asm
+++ b/simd/jcqnts2i-64.asm
@@ -179,3 +179,7 @@ EXTN(jsimd_quantize_sse2):
 	uncollect_args
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcqnts2i.asm
+++ b/simd/jcqnts2i.asm
@@ -195,3 +195,6 @@ EXTN(jsimd_quantize_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcqntsse.asm
+++ b/simd/jcqntsse.asm
@@ -206,3 +206,6 @@ EXTN(jsimd_quantize_float_sse):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcsammmx.asm
+++ b/simd/jcsammmx.asm
@@ -319,3 +319,6 @@ EXTN(jsimd_h2v2_downsample_mmx):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcsamss2-64.asm
+++ b/simd/jcsamss2-64.asm
@@ -322,3 +322,7 @@ EXTN(jsimd_h2v2_downsample_sse2):
 	uncollect_args
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jcsamss2.asm
+++ b/simd/jcsamss2.asm
@@ -346,3 +346,6 @@ EXTN(jsimd_h2v2_downsample_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jdclrmmx.asm
+++ b/simd/jdclrmmx.asm
@@ -402,3 +402,6 @@ EXTN(jsimd_ycc_rgb_convert_mmx):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jdclrss2-64.asm
+++ b/simd/jdclrss2-64.asm
@@ -481,3 +481,7 @@ EXTN(jsimd_ycc_rgb_convert_sse2):
 	pop	rsp		; rsp <- original rbp
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jdclrss2.asm
+++ b/simd/jdclrss2.asm
@@ -500,3 +500,6 @@ EXTN(jsimd_ycc_rgb_convert_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jdmrgmmx.asm
+++ b/simd/jdmrgmmx.asm
@@ -461,3 +461,6 @@ EXTN(jsimd_h2v2_merged_upsample_mmx):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jdmrgss2-64.asm
+++ b/simd/jdmrgss2-64.asm
@@ -563,3 +563,7 @@ EXTN(jsimd_h2v2_merged_upsample_sse2):
 	pop	rbx
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jdmrgss2.asm
+++ b/simd/jdmrgss2.asm
@@ -559,3 +559,6 @@ EXTN(jsimd_h2v2_merged_upsample_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jdsammmx.asm
+++ b/simd/jdsammmx.asm
@@ -732,3 +732,6 @@ EXTN(jsimd_h2v2_upsample_mmx):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jdsamss2-64.asm
+++ b/simd/jdsamss2-64.asm
@@ -662,3 +662,7 @@ EXTN(jsimd_h2v2_upsample_sse2):
 	pop	rbx
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jdsamss2.asm
+++ b/simd/jdsamss2.asm
@@ -724,3 +724,6 @@ EXTN(jsimd_h2v2_upsample_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jf3dnflt.asm
+++ b/simd/jf3dnflt.asm
@@ -315,3 +315,6 @@ EXTN(jsimd_fdct_float_3dnow):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jfmmxfst.asm
+++ b/simd/jfmmxfst.asm
@@ -392,3 +392,6 @@ EXTN(jsimd_fdct_ifast_mmx):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jfmmxint.asm
+++ b/simd/jfmmxint.asm
@@ -617,3 +617,6 @@ EXTN(jsimd_fdct_islow_mmx):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jfss2fst-64.asm
+++ b/simd/jfss2fst-64.asm
@@ -386,3 +386,7 @@ EXTN(jsimd_fdct_ifast_sse2):
 	pop	rsp		; rsp <- original rbp
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jfss2fst.asm
+++ b/simd/jfss2fst.asm
@@ -399,3 +399,6 @@ EXTN(jsimd_fdct_ifast_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jfss2int-64.asm
+++ b/simd/jfss2int-64.asm
@@ -616,3 +616,7 @@ EXTN(jsimd_fdct_islow_sse2):
 	pop	rsp		; rsp <- original rbp
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jfss2int.asm
+++ b/simd/jfss2int.asm
@@ -629,3 +629,6 @@ EXTN(jsimd_fdct_islow_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jfsseflt-64.asm
+++ b/simd/jfsseflt-64.asm
@@ -352,3 +352,7 @@ EXTN(jsimd_fdct_float_sse):
 	pop	rsp		; rsp <- original rbp
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jfsseflt.asm
+++ b/simd/jfsseflt.asm
@@ -365,3 +365,6 @@ EXTN(jsimd_fdct_float_sse):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/ji3dnflt.asm
+++ b/simd/ji3dnflt.asm
@@ -447,3 +447,6 @@ EXTN(jsimd_idct_float_3dnow):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jimmxfst.asm
+++ b/simd/jimmxfst.asm
@@ -495,3 +495,6 @@ EXTN(jsimd_idct_ifast_mmx):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jimmxint.asm
+++ b/simd/jimmxint.asm
@@ -847,3 +847,6 @@ EXTN(jsimd_idct_islow_mmx):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jimmxred.asm
+++ b/simd/jimmxred.asm
@@ -701,3 +701,6 @@ EXTN(jsimd_idct_2x2_mmx):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jiss2flt-64.asm
+++ b/simd/jiss2flt-64.asm
@@ -477,3 +477,7 @@ EXTN(jsimd_idct_float_sse2):
 	pop	rsp		; rsp <- original rbp
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jiss2flt.asm
+++ b/simd/jiss2flt.asm
@@ -493,3 +493,6 @@ EXTN(jsimd_idct_float_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jiss2fst-64.asm
+++ b/simd/jiss2fst-64.asm
@@ -486,3 +486,7 @@ EXTN(jsimd_idct_ifast_sse2):
 	pop	rbp
 	ret
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jiss2fst.asm
+++ b/simd/jiss2fst.asm
@@ -497,3 +497,6 @@ EXTN(jsimd_idct_ifast_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jiss2int-64.asm
+++ b/simd/jiss2int-64.asm
@@ -842,3 +842,7 @@ EXTN(jsimd_idct_islow_sse2):
 	pop	rsp		; rsp <- original rbp
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jiss2int.asm
+++ b/simd/jiss2int.asm
@@ -854,3 +854,6 @@ EXTN(jsimd_idct_islow_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jiss2red-64.asm
+++ b/simd/jiss2red-64.asm
@@ -569,3 +569,7 @@ EXTN(jsimd_idct_2x2_sse2):
 	pop	rbx
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jiss2red.asm
+++ b/simd/jiss2red.asm
@@ -589,3 +589,6 @@ EXTN(jsimd_idct_2x2_sse2):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jisseflt.asm
+++ b/simd/jisseflt.asm
@@ -567,3 +567,6 @@ EXTN(jsimd_idct_float_sse):
 	pop	ebp
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16
--- a/simd/jsimdcpu.asm
+++ b/simd/jsimdcpu.asm
@@ -100,3 +100,6 @@ EXTN(jpeg_simd_cpu_support):
 	pop	ebx
 	ret

+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16