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| author | Mans Rullgard <mans@mansr.com> | 2012-08-07 17:43:29 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2012-08-07 21:13:30 +0100 |
| commit | ec9d2c15c17ada4ebb5c8ca335a71a1f330dcaf9 (patch) | |
| tree | 1ba65f9a25e479e3fa389cd09c3b3340fd2dde96 /configure | |
| parent | 4ab26cb4cc9af2ab2199105aa273aa23e1f27911 (diff) | |
| download | ffmpeg-ec9d2c15c17ada4ebb5c8ca335a71a1f330dcaf9.tar.gz | |
ARM: use Q/R inline asm operand modifiers only if supported
Some compilers do not support the Q/R modifiers used to access
the low/high parts of a 64-bit register pair. Check for this
and disable all uses of it when not supported.
Fixes bug #337.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -1077,6 +1077,7 @@ HAVE_LIST=" alsa_asoundlib_h altivec_h arpa_inet_h + asm_mod_q asm_mod_y attribute_may_alias attribute_packed @@ -2792,6 +2793,7 @@ EOF enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"' enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"' + check_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)' check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)' enabled_all armv6t2 shared !pic && enable_pic |