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Merge commit 'e2710e790c09e49e86baa58c6063af0097cc8cb0'

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* commit 'e2710e790c09e49e86baa58c6063af0097cc8cb0':
  arm: add a cpu flag for the VFPv2 vector mode

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
This commit is contained in:
Hendrik Leppkes 2016-01-02 11:01:29 +01:00
commit e754c8e8ca
9 changed files with 18 additions and 5 deletions
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4
libavcodec/arm/dcadsp_init_arm.c
View File

@ -59,7 +59,7 @@ av_cold void ff_dcadsp_init_arm(DCADSPContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags)) {
if (have_vfp_vm(cpu_flags)) {
s->lfe_fir[0] = ff_dca_lfe_fir32_vfp;
s->lfe_fir[1] = ff_dca_lfe_fir64_vfp;
s->qmf_32_subbands = ff_dca_qmf_32_subbands_vfp;
@ -75,7 +75,7 @@ av_cold void ff_synth_filter_init_arm(SynthFilterContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags))
if (have_vfp_vm(cpu_flags))
s->synth_filter_float = ff_synth_filter_float_vfp;
if (have_neon(cpu_flags))
s->synth_filter_float = ff_synth_filter_float_neon;

2
libavcodec/arm/fft_init_arm.c
View File

@ -40,7 +40,7 @@ av_cold void ff_fft_init_arm(FFTContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags)) {
if (have_vfp_vm(cpu_flags)) {
s->fft_calc = ff_fft_calc_vfp;
#if CONFIG_MDCT
s->imdct_half = ff_imdct_half_vfp;

2
libavcodec/arm/fmtconvert_init_arm.c
View File

@ -38,7 +38,7 @@ av_cold void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx
{
int cpu_flags = av_get_cpu_flags();
if (have_vfp(cpu_flags)) {
if (have_vfp_vm(cpu_flags)) {
if (!have_vfpv3(cpu_flags)) {
c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_vfp;
c->int32_to_float_fmul_array8 = ff_int32_to_float_fmul_array8_vfp;

4
libavutil/arm/cpu.c
View File

@ -137,6 +137,10 @@ int ff_get_cpu_flags_arm(void)
if (flags & AV_CPU_FLAG_ARMV6T2)
flags |= AV_CPU_FLAG_ARMV6;
/* set the virtual VFPv2 vector mode flag */
if ((flags & AV_CPU_FLAG_VFP) && !(flags & (AV_CPU_FLAG_VFPV3 | AV_CPU_FLAG_NEON)))
flags |= AV_CPU_FLAG_VFP_VM;
return flags;
}

5
libavutil/arm/cpu.h
View File

@ -31,4 +31,9 @@
#define have_neon(flags) CPUEXT(flags, NEON)
#define have_setend(flags) CPUEXT(flags, SETEND)
/* some functions use the VFPv2 vector mode which is deprecated in ARMv7-A
* and might trap on such CPU depending on the OS configuration */
#define have_vfp_vm(flags) \
(have_armv6(flags) && ((flags) & AV_CPU_FLAG_VFP_VM))
#endif /* AVUTIL_ARM_CPU_H */

2
libavutil/cpu.c
View File

@ -152,6 +152,7 @@ int av_parse_cpu_flags(const char *s)
{ "armv6", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV6 }, .unit = "flags" },
{ "armv6t2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV6T2 }, .unit = "flags" },
{ "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" },
{ "vfp_vm", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP_VM }, .unit = "flags" },
{ "vfpv3", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFPV3 }, .unit = "flags" },
{ "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" },
#elif ARCH_AARCH64
@ -315,6 +316,7 @@ static const struct {
{ AV_CPU_FLAG_ARMV6, "armv6" },
{ AV_CPU_FLAG_ARMV6T2, "armv6t2" },
{ AV_CPU_FLAG_VFP, "vfp" },
{ AV_CPU_FLAG_VFP_VM, "vfp_vm" },
{ AV_CPU_FLAG_VFPV3, "vfpv3" },
{ AV_CPU_FLAG_NEON, "neon" },
{ AV_CPU_FLAG_SETEND, "setend" },

1
libavutil/cpu.h
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@ -64,6 +64,7 @@
#define AV_CPU_FLAG_VFPV3 (1 << 4)
#define AV_CPU_FLAG_NEON (1 << 5)
#define AV_CPU_FLAG_ARMV8 (1 << 6)
#define AV_CPU_FLAG_VFP_VM (1 << 7) ///< VFPv2 vector mode, deprecated in ARMv7-A and unavailable in various CPUs implementations
#define AV_CPU_FLAG_SETEND (1 <<16)
/**

2
libavutil/version.h
View File

@ -64,7 +64,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 55
#define LIBAVUTIL_VERSION_MINOR 11
#define LIBAVUTIL_VERSION_MINOR 12
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

1
tests/checkasm/checkasm.c
View File

@ -103,6 +103,7 @@ static const struct {
{ "ARMV6", "armv6", AV_CPU_FLAG_ARMV6 },
{ "ARMV6T2", "armv6t2", AV_CPU_FLAG_ARMV6T2 },
{ "VFP", "vfp", AV_CPU_FLAG_VFP },
{ "VFP_VM", "vfp_vm", AV_CPU_FLAG_VFP_VM },
{ "VFPV3", "vfp3", AV_CPU_FLAG_VFPV3 },
{ "NEON", "neon", AV_CPU_FLAG_NEON },
#elif ARCH_PPC