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| author | Martin Storsjö <martin@martin.st> | 2013-07-09 20:51:00 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2013-07-11 18:53:02 +0300 |
| commit | ef5b70affc6376bfeadd1ff649b79bad9a124fa8 (patch) | |
| tree | c0831a2edd8f58fcf795cd44c748bd4bfaf4e88a | |
| parent | d14a26edb7c4487df581f11e5c6911dc0e623d08 (diff) | |
| download | ffmpeg-ef5b70affc6376bfeadd1ff649b79bad9a124fa8.tar.gz | |
configure: Check for support for labels in the inline assembly
Use this for enabling the ppc timer.h implementation only on
assemblers that support labels in the inline assembly.
Signed-off-by: Martin Storsjö <martin@martin.st>
| -rwxr-xr-x | configure | 3 | ||||
| -rw-r--r-- | libavutil/ppc/timer.h | 6 |
2 files changed, 9 insertions, 0 deletions
@@ -1294,6 +1294,7 @@ HAVE_LIST=" ibm_asm inet_aton io_h + inline_asm_labels isatty jack_port_get_latency_range ldbrx @@ -3405,6 +3406,8 @@ unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E'; EOF od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian +check_inline_asm inline_asm_labels '"1:\n"' + if enabled alpha; then check_cflags -mieee diff --git a/libavutil/ppc/timer.h b/libavutil/ppc/timer.h index 0981d0cdbc..8d08d2835b 100644 --- a/libavutil/ppc/timer.h +++ b/libavutil/ppc/timer.h @@ -23,6 +23,10 @@ #include <stdint.h> +#include "config.h" + +#if HAVE_INLINE_ASM_LABELS + #define AV_READ_TIME read_time static inline uint64_t read_time(void) @@ -44,4 +48,6 @@ static inline uint64_t read_time(void) return (((uint64_t)tbu)<<32) | (uint64_t)tbl; } +#endif /* HAVE_INLINE_ASM_LABELS */ + #endif /* AVUTIL_PPC_TIMER_H */ |