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authorJiaxun Yang <jiaxun.yang@flygoat.com>2021-07-23 13:53:41 +0800
committerMichael Niedermayer <michael@niedermayer.cc>2021-07-28 23:31:48 +0200
commitb868272d7e9f7a50490abd856a5066b009779e07 (patch)
treed23ddf1ab1ef586ded263ef4e3949c93869063fa
parent65f9a8e4b817d4cca8cfdd4dcdaaf2817810df61 (diff)
downloadffmpeg-b868272d7e9f7a50490abd856a5066b009779e07.tar.gz
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>
-rw-r--r--libavutil/mips/mmiutils.h32
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" \