diff options
| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2021-07-23 13:53:41 +0800 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-07-28 23:31:48 +0200 |
| commit | b868272d7e9f7a50490abd856a5066b009779e07 (patch) | |
| tree | d23ddf1ab1ef586ded263ef4e3949c93869063fa /libavutil | |
| parent | 65f9a8e4b817d4cca8cfdd4dcdaaf2817810df61 (diff) | |
avutil/mips: Use MMI_{L, S}QC1 macro in {SAVE, RECOVER}_REG
{SAVE,RECOVER}_REG will be available for Loongson2 again,
also comment about the magic.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Shiyou Yin <yinshiyou-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavutil')
| -rw-r--r-- | libavutil/mips/mmiutils.h | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/libavutil/mips/mmiutils.h b/libavutil/mips/mmiutils.h index 6a82caa908..41715c6490 100644 --- a/libavutil/mips/mmiutils.h +++ b/libavutil/mips/mmiutils.h @@ -204,25 +204,27 @@ #endif /* HAVE_LOONGSON2 */ /** - * backup register + * Backup saved registers + * We're not using compiler's clobber list as it's not smart enough + * to take advantage of quad word load/store. */ #define BACKUP_REG \ LOCAL_ALIGNED_16(double, temp_backup_reg, [8]); \ if (_MIPS_SIM == _ABI64) \ __asm__ volatile ( \ - "gssqc1 $f25, $f24, 0x00(%[temp]) \n\t" \ - "gssqc1 $f27, $f26, 0x10(%[temp]) \n\t" \ - "gssqc1 $f29, $f28, 0x20(%[temp]) \n\t" \ - "gssqc1 $f31, $f30, 0x30(%[temp]) \n\t" \ + MMI_SQC1($f25, $f24, %[temp], 0x00) \ + MMI_SQC1($f27, $f26, %[temp], 0x10) \ + MMI_SQC1($f29, $f28, %[temp], 0x20) \ + MMI_SQC1($f31, $f30, %[temp], 0x30) \ : \ : [temp]"r"(temp_backup_reg) \ : "memory" \ ); \ else \ __asm__ volatile ( \ - "gssqc1 $f22, $f20, 0x00(%[temp]) \n\t" \ - "gssqc1 $f26, $f24, 0x10(%[temp]) \n\t" \ - "gssqc1 $f30, $f28, 0x20(%[temp]) \n\t" \ + MMI_SQC1($f22, $f20, %[temp], 0x10) \ + MMI_SQC1($f26, $f24, %[temp], 0x10) \ + MMI_SQC1($f30, $f28, %[temp], 0x20) \ : \ : [temp]"r"(temp_backup_reg) \ : "memory" \ @@ -234,19 +236,19 @@ #define RECOVER_REG \ if (_MIPS_SIM == _ABI64) \ __asm__ volatile ( \ - "gslqc1 $f25, $f24, 0x00(%[temp]) \n\t" \ - "gslqc1 $f27, $f26, 0x10(%[temp]) \n\t" \ - "gslqc1 $f29, $f28, 0x20(%[temp]) \n\t" \ - "gslqc1 $f31, $f30, 0x30(%[temp]) \n\t" \ + MMI_LQC1($f25, $f24, %[temp], 0x00) \ + MMI_LQC1($f27, $f26, %[temp], 0x10) \ + MMI_LQC1($f29, $f28, %[temp], 0x20) \ + MMI_LQC1($f31, $f30, %[temp], 0x30) \ : \ : [temp]"r"(temp_backup_reg) \ : "memory" \ ); \ else \ __asm__ volatile ( \ - "gslqc1 $f22, $f20, 0x00(%[temp]) \n\t" \ - "gslqc1 $f26, $f24, 0x10(%[temp]) \n\t" \ - "gslqc1 $f30, $f28, 0x20(%[temp]) \n\t" \ + MMI_LQC1($f22, $f20, %[temp], 0x10) \ + MMI_LQC1($f26, $f24, %[temp], 0x10) \ + MMI_LQC1($f30, $f28, %[temp], 0x20) \ : \ : [temp]"r"(temp_backup_reg) \ : "memory" \ |