diff options
Diffstat (limited to 'chromium/third_party/libyuv/source/row_mips.cc')
-rw-r--r-- | chromium/third_party/libyuv/source/row_mips.cc | 1417 |
1 files changed, 703 insertions, 714 deletions
diff --git a/chromium/third_party/libyuv/source/row_mips.cc b/chromium/third_party/libyuv/source/row_mips.cc index 285f0b5adc2..ce30fc7e1db 100644 --- a/chromium/third_party/libyuv/source/row_mips.cc +++ b/chromium/third_party/libyuv/source/row_mips.cc @@ -21,569 +21,568 @@ extern "C" { #ifdef HAS_COPYROW_MIPS void CopyRow_MIPS(const uint8* src, uint8* dst, int count) { - __asm__ __volatile__ ( - ".set noreorder \n" - ".set noat \n" - "slti $at, %[count], 8 \n" - "bne $at ,$zero, $last8 \n" - "xor $t8, %[src], %[dst] \n" - "andi $t8, $t8, 0x3 \n" - - "bne $t8, $zero, unaligned \n" - "negu $a3, %[dst] \n" - // make dst/src aligned - "andi $a3, $a3, 0x3 \n" - "beq $a3, $zero, $chk16w \n" - // word-aligned now count is the remining bytes count - "subu %[count], %[count], $a3 \n" - - "lwr $t8, 0(%[src]) \n" - "addu %[src], %[src], $a3 \n" - "swr $t8, 0(%[dst]) \n" - "addu %[dst], %[dst], $a3 \n" - - // Now the dst/src are mutually word-aligned with word-aligned addresses - "$chk16w: \n" - "andi $t8, %[count], 0x3f \n" // whole 64-B chunks? - // t8 is the byte count after 64-byte chunks - "beq %[count], $t8, chk8w \n" - // There will be at most 1 32-byte chunk after it - "subu $a3, %[count], $t8 \n" // the reminder - // Here a3 counts bytes in 16w chunks - "addu $a3, %[dst], $a3 \n" - // Now a3 is the final dst after 64-byte chunks - "addu $t0, %[dst], %[count] \n" - // t0 is the "past the end" address - - // When in the loop we exercise "pref 30,x(a1)", the a1+x should not be past - // the "t0-32" address - // This means: for x=128 the last "safe" a1 address is "t0-160" - // Alternatively, for x=64 the last "safe" a1 address is "t0-96" - // we will use "pref 30,128(a1)", so "t0-160" is the limit - "subu $t9, $t0, 160 \n" - // t9 is the "last safe pref 30,128(a1)" address - "pref 0, 0(%[src]) \n" // first line of src - "pref 0, 32(%[src]) \n" // second line of src - "pref 0, 64(%[src]) \n" - "pref 30, 32(%[dst]) \n" - // In case the a1 > t9 don't use "pref 30" at all - "sgtu $v1, %[dst], $t9 \n" - "bgtz $v1, $loop16w \n" - "nop \n" - // otherwise, start with using pref30 - "pref 30, 64(%[dst]) \n" - "$loop16w: \n" - "pref 0, 96(%[src]) \n" - "lw $t0, 0(%[src]) \n" - "bgtz $v1, $skip_pref30_96 \n" // skip - "lw $t1, 4(%[src]) \n" - "pref 30, 96(%[dst]) \n" // continue - "$skip_pref30_96: \n" - "lw $t2, 8(%[src]) \n" - "lw $t3, 12(%[src]) \n" - "lw $t4, 16(%[src]) \n" - "lw $t5, 20(%[src]) \n" - "lw $t6, 24(%[src]) \n" - "lw $t7, 28(%[src]) \n" - "pref 0, 128(%[src]) \n" - // bring the next lines of src, addr 128 - "sw $t0, 0(%[dst]) \n" - "sw $t1, 4(%[dst]) \n" - "sw $t2, 8(%[dst]) \n" - "sw $t3, 12(%[dst]) \n" - "sw $t4, 16(%[dst]) \n" - "sw $t5, 20(%[dst]) \n" - "sw $t6, 24(%[dst]) \n" - "sw $t7, 28(%[dst]) \n" - "lw $t0, 32(%[src]) \n" - "bgtz $v1, $skip_pref30_128 \n" // skip pref 30,128(a1) - "lw $t1, 36(%[src]) \n" - "pref 30, 128(%[dst]) \n" // set dest, addr 128 - "$skip_pref30_128: \n" - "lw $t2, 40(%[src]) \n" - "lw $t3, 44(%[src]) \n" - "lw $t4, 48(%[src]) \n" - "lw $t5, 52(%[src]) \n" - "lw $t6, 56(%[src]) \n" - "lw $t7, 60(%[src]) \n" - "pref 0, 160(%[src]) \n" - // bring the next lines of src, addr 160 - "sw $t0, 32(%[dst]) \n" - "sw $t1, 36(%[dst]) \n" - "sw $t2, 40(%[dst]) \n" - "sw $t3, 44(%[dst]) \n" - "sw $t4, 48(%[dst]) \n" - "sw $t5, 52(%[dst]) \n" - "sw $t6, 56(%[dst]) \n" - "sw $t7, 60(%[dst]) \n" - - "addiu %[dst], %[dst], 64 \n" // adding 64 to dest - "sgtu $v1, %[dst], $t9 \n" - "bne %[dst], $a3, $loop16w \n" - " addiu %[src], %[src], 64 \n" // adding 64 to src - "move %[count], $t8 \n" - - // Here we have src and dest word-aligned but less than 64-bytes to go - - "chk8w: \n" - "pref 0, 0x0(%[src]) \n" - "andi $t8, %[count], 0x1f \n" // 32-byte chunk? - // the t8 is the reminder count past 32-bytes - "beq %[count], $t8, chk1w \n" - // count=t8,no 32-byte chunk - " nop \n" - - "lw $t0, 0(%[src]) \n" - "lw $t1, 4(%[src]) \n" - "lw $t2, 8(%[src]) \n" - "lw $t3, 12(%[src]) \n" - "lw $t4, 16(%[src]) \n" - "lw $t5, 20(%[src]) \n" - "lw $t6, 24(%[src]) \n" - "lw $t7, 28(%[src]) \n" - "addiu %[src], %[src], 32 \n" - - "sw $t0, 0(%[dst]) \n" - "sw $t1, 4(%[dst]) \n" - "sw $t2, 8(%[dst]) \n" - "sw $t3, 12(%[dst]) \n" - "sw $t4, 16(%[dst]) \n" - "sw $t5, 20(%[dst]) \n" - "sw $t6, 24(%[dst]) \n" - "sw $t7, 28(%[dst]) \n" - "addiu %[dst], %[dst], 32 \n" - - "chk1w: \n" - "andi %[count], $t8, 0x3 \n" - // now count is the reminder past 1w chunks - "beq %[count], $t8, $last8 \n" - " subu $a3, $t8, %[count] \n" - // a3 is count of bytes in 1w chunks - "addu $a3, %[dst], $a3 \n" - // now a3 is the dst address past the 1w chunks - // copying in words (4-byte chunks) - "$wordCopy_loop: \n" - "lw $t3, 0(%[src]) \n" - // the first t3 may be equal t0 ... optimize? - "addiu %[src], %[src],4 \n" - "addiu %[dst], %[dst],4 \n" - "bne %[dst], $a3,$wordCopy_loop \n" - " sw $t3, -4(%[dst]) \n" - - // For the last (<8) bytes - "$last8: \n" - "blez %[count], leave \n" - " addu $a3, %[dst], %[count] \n" // a3 -last dst address - "$last8loop: \n" - "lb $v1, 0(%[src]) \n" - "addiu %[src], %[src], 1 \n" - "addiu %[dst], %[dst], 1 \n" - "bne %[dst], $a3, $last8loop \n" - " sb $v1, -1(%[dst]) \n" - - "leave: \n" - " j $ra \n" - " nop \n" - - // - // UNALIGNED case - // - - "unaligned: \n" - // got here with a3="negu a1" - "andi $a3, $a3, 0x3 \n" // a1 is word aligned? - "beqz $a3, $ua_chk16w \n" - " subu %[count], %[count], $a3 \n" - // bytes left after initial a3 bytes - "lwr $v1, 0(%[src]) \n" - "lwl $v1, 3(%[src]) \n" - "addu %[src], %[src], $a3 \n" // a3 may be 1, 2 or 3 - "swr $v1, 0(%[dst]) \n" - "addu %[dst], %[dst], $a3 \n" - // below the dst will be word aligned (NOTE1) - "$ua_chk16w: \n" - "andi $t8, %[count], 0x3f \n" // whole 64-B chunks? - // t8 is the byte count after 64-byte chunks - "beq %[count], $t8, ua_chk8w \n" - // if a2==t8, no 64-byte chunks - // There will be at most 1 32-byte chunk after it - "subu $a3, %[count], $t8 \n" // the reminder - // Here a3 counts bytes in 16w chunks - "addu $a3, %[dst], $a3 \n" - // Now a3 is the final dst after 64-byte chunks - "addu $t0, %[dst], %[count] \n" // t0 "past the end" - "subu $t9, $t0, 160 \n" - // t9 is the "last safe pref 30,128(a1)" address - "pref 0, 0(%[src]) \n" // first line of src - "pref 0, 32(%[src]) \n" // second line addr 32 - "pref 0, 64(%[src]) \n" - "pref 30, 32(%[dst]) \n" - // safe, as we have at least 64 bytes ahead - // In case the a1 > t9 don't use "pref 30" at all - "sgtu $v1, %[dst], $t9 \n" - "bgtz $v1, $ua_loop16w \n" - // skip "pref 30,64(a1)" for too short arrays - " nop \n" - // otherwise, start with using pref30 - "pref 30, 64(%[dst]) \n" - "$ua_loop16w: \n" - "pref 0, 96(%[src]) \n" - "lwr $t0, 0(%[src]) \n" - "lwl $t0, 3(%[src]) \n" - "lwr $t1, 4(%[src]) \n" - "bgtz $v1, $ua_skip_pref30_96 \n" - " lwl $t1, 7(%[src]) \n" - "pref 30, 96(%[dst]) \n" - // continue setting up the dest, addr 96 - "$ua_skip_pref30_96: \n" - "lwr $t2, 8(%[src]) \n" - "lwl $t2, 11(%[src]) \n" - "lwr $t3, 12(%[src]) \n" - "lwl $t3, 15(%[src]) \n" - "lwr $t4, 16(%[src]) \n" - "lwl $t4, 19(%[src]) \n" - "lwr $t5, 20(%[src]) \n" - "lwl $t5, 23(%[src]) \n" - "lwr $t6, 24(%[src]) \n" - "lwl $t6, 27(%[src]) \n" - "lwr $t7, 28(%[src]) \n" - "lwl $t7, 31(%[src]) \n" - "pref 0, 128(%[src]) \n" - // bring the next lines of src, addr 128 - "sw $t0, 0(%[dst]) \n" - "sw $t1, 4(%[dst]) \n" - "sw $t2, 8(%[dst]) \n" - "sw $t3, 12(%[dst]) \n" - "sw $t4, 16(%[dst]) \n" - "sw $t5, 20(%[dst]) \n" - "sw $t6, 24(%[dst]) \n" - "sw $t7, 28(%[dst]) \n" - "lwr $t0, 32(%[src]) \n" - "lwl $t0, 35(%[src]) \n" - "lwr $t1, 36(%[src]) \n" - "bgtz $v1, ua_skip_pref30_128 \n" - " lwl $t1, 39(%[src]) \n" - "pref 30, 128(%[dst]) \n" - // continue setting up the dest, addr 128 - "ua_skip_pref30_128: \n" - - "lwr $t2, 40(%[src]) \n" - "lwl $t2, 43(%[src]) \n" - "lwr $t3, 44(%[src]) \n" - "lwl $t3, 47(%[src]) \n" - "lwr $t4, 48(%[src]) \n" - "lwl $t4, 51(%[src]) \n" - "lwr $t5, 52(%[src]) \n" - "lwl $t5, 55(%[src]) \n" - "lwr $t6, 56(%[src]) \n" - "lwl $t6, 59(%[src]) \n" - "lwr $t7, 60(%[src]) \n" - "lwl $t7, 63(%[src]) \n" - "pref 0, 160(%[src]) \n" - // bring the next lines of src, addr 160 - "sw $t0, 32(%[dst]) \n" - "sw $t1, 36(%[dst]) \n" - "sw $t2, 40(%[dst]) \n" - "sw $t3, 44(%[dst]) \n" - "sw $t4, 48(%[dst]) \n" - "sw $t5, 52(%[dst]) \n" - "sw $t6, 56(%[dst]) \n" - "sw $t7, 60(%[dst]) \n" - - "addiu %[dst],%[dst],64 \n" // adding 64 to dest - "sgtu $v1,%[dst],$t9 \n" - "bne %[dst],$a3,$ua_loop16w \n" - " addiu %[src],%[src],64 \n" // adding 64 to src - "move %[count],$t8 \n" - - // Here we have src and dest word-aligned but less than 64-bytes to go - - "ua_chk8w: \n" - "pref 0, 0x0(%[src]) \n" - "andi $t8, %[count], 0x1f \n" // 32-byte chunk? - // the t8 is the reminder count - "beq %[count], $t8, $ua_chk1w \n" - // when count==t8, no 32-byte chunk - - "lwr $t0, 0(%[src]) \n" - "lwl $t0, 3(%[src]) \n" - "lwr $t1, 4(%[src]) \n" - "lwl $t1, 7(%[src]) \n" - "lwr $t2, 8(%[src]) \n" - "lwl $t2, 11(%[src]) \n" - "lwr $t3, 12(%[src]) \n" - "lwl $t3, 15(%[src]) \n" - "lwr $t4, 16(%[src]) \n" - "lwl $t4, 19(%[src]) \n" - "lwr $t5, 20(%[src]) \n" - "lwl $t5, 23(%[src]) \n" - "lwr $t6, 24(%[src]) \n" - "lwl $t6, 27(%[src]) \n" - "lwr $t7, 28(%[src]) \n" - "lwl $t7, 31(%[src]) \n" - "addiu %[src], %[src], 32 \n" - - "sw $t0, 0(%[dst]) \n" - "sw $t1, 4(%[dst]) \n" - "sw $t2, 8(%[dst]) \n" - "sw $t3, 12(%[dst]) \n" - "sw $t4, 16(%[dst]) \n" - "sw $t5, 20(%[dst]) \n" - "sw $t6, 24(%[dst]) \n" - "sw $t7, 28(%[dst]) \n" - "addiu %[dst], %[dst], 32 \n" - - "$ua_chk1w: \n" - "andi %[count], $t8, 0x3 \n" - // now count is the reminder past 1w chunks - "beq %[count], $t8, ua_smallCopy \n" - "subu $a3, $t8, %[count] \n" - // a3 is count of bytes in 1w chunks - "addu $a3, %[dst], $a3 \n" - // now a3 is the dst address past the 1w chunks - - // copying in words (4-byte chunks) - "$ua_wordCopy_loop: \n" - "lwr $v1, 0(%[src]) \n" - "lwl $v1, 3(%[src]) \n" - "addiu %[src], %[src], 4 \n" - "addiu %[dst], %[dst], 4 \n" - // note: dst=a1 is word aligned here, see NOTE1 - "bne %[dst], $a3, $ua_wordCopy_loop \n" - " sw $v1,-4(%[dst]) \n" - - // Now less than 4 bytes (value in count) left to copy - "ua_smallCopy: \n" - "beqz %[count], leave \n" - " addu $a3, %[dst], %[count] \n" // a3 = last dst address - "$ua_smallCopy_loop: \n" - "lb $v1, 0(%[src]) \n" - "addiu %[src], %[src], 1 \n" - "addiu %[dst], %[dst], 1 \n" - "bne %[dst],$a3,$ua_smallCopy_loop \n" - " sb $v1, -1(%[dst]) \n" - - "j $ra \n" - " nop \n" - ".set at \n" - ".set reorder \n" - : [dst] "+r" (dst), [src] "+r" (src) - : [count] "r" (count) - : "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", - "t8", "t9", "a3", "v1", "at" - ); + __asm__ __volatile__( + ".set noreorder \n" + ".set noat \n" + "slti $at, %[count], 8 \n" + "bne $at ,$zero, $last8 \n" + "xor $t8, %[src], %[dst] \n" + "andi $t8, $t8, 0x3 \n" + + "bne $t8, $zero, unaligned \n" + "negu $a3, %[dst] \n" + // make dst/src aligned + "andi $a3, $a3, 0x3 \n" + "beq $a3, $zero, $chk16w \n" + // word-aligned now count is the remining bytes count + "subu %[count], %[count], $a3 \n" + + "lwr $t8, 0(%[src]) \n" + "addu %[src], %[src], $a3 \n" + "swr $t8, 0(%[dst]) \n" + "addu %[dst], %[dst], $a3 \n" + + // Now the dst/src are mutually word-aligned with word-aligned addresses + "$chk16w: \n" + "andi $t8, %[count], 0x3f \n" // whole 64-B chunks? + // t8 is the byte count after 64-byte chunks + "beq %[count], $t8, chk8w \n" + // There will be at most 1 32-byte chunk after it + "subu $a3, %[count], $t8 \n" // the reminder + // Here a3 counts bytes in 16w chunks + "addu $a3, %[dst], $a3 \n" + // Now a3 is the final dst after 64-byte chunks + "addu $t0, %[dst], %[count] \n" + // t0 is the "past the end" address + + // When in the loop we exercise "pref 30,x(a1)", the a1+x should not be + // past + // the "t0-32" address + // This means: for x=128 the last "safe" a1 address is "t0-160" + // Alternatively, for x=64 the last "safe" a1 address is "t0-96" + // we will use "pref 30,128(a1)", so "t0-160" is the limit + "subu $t9, $t0, 160 \n" + // t9 is the "last safe pref 30,128(a1)" address + "pref 0, 0(%[src]) \n" // first line of src + "pref 0, 32(%[src]) \n" // second line of src + "pref 0, 64(%[src]) \n" + "pref 30, 32(%[dst]) \n" + // In case the a1 > t9 don't use "pref 30" at all + "sgtu $v1, %[dst], $t9 \n" + "bgtz $v1, $loop16w \n" + "nop \n" + // otherwise, start with using pref30 + "pref 30, 64(%[dst]) \n" + "$loop16w: \n" + "pref 0, 96(%[src]) \n" + "lw $t0, 0(%[src]) \n" + "bgtz $v1, $skip_pref30_96 \n" // skip + "lw $t1, 4(%[src]) \n" + "pref 30, 96(%[dst]) \n" // continue + "$skip_pref30_96: \n" + "lw $t2, 8(%[src]) \n" + "lw $t3, 12(%[src]) \n" + "lw $t4, 16(%[src]) \n" + "lw $t5, 20(%[src]) \n" + "lw $t6, 24(%[src]) \n" + "lw $t7, 28(%[src]) \n" + "pref 0, 128(%[src]) \n" + // bring the next lines of src, addr 128 + "sw $t0, 0(%[dst]) \n" + "sw $t1, 4(%[dst]) \n" + "sw $t2, 8(%[dst]) \n" + "sw $t3, 12(%[dst]) \n" + "sw $t4, 16(%[dst]) \n" + "sw $t5, 20(%[dst]) \n" + "sw $t6, 24(%[dst]) \n" + "sw $t7, 28(%[dst]) \n" + "lw $t0, 32(%[src]) \n" + "bgtz $v1, $skip_pref30_128 \n" // skip pref 30,128(a1) + "lw $t1, 36(%[src]) \n" + "pref 30, 128(%[dst]) \n" // set dest, addr 128 + "$skip_pref30_128: \n" + "lw $t2, 40(%[src]) \n" + "lw $t3, 44(%[src]) \n" + "lw $t4, 48(%[src]) \n" + "lw $t5, 52(%[src]) \n" + "lw $t6, 56(%[src]) \n" + "lw $t7, 60(%[src]) \n" + "pref 0, 160(%[src]) \n" + // bring the next lines of src, addr 160 + "sw $t0, 32(%[dst]) \n" + "sw $t1, 36(%[dst]) \n" + "sw $t2, 40(%[dst]) \n" + "sw $t3, 44(%[dst]) \n" + "sw $t4, 48(%[dst]) \n" + "sw $t5, 52(%[dst]) \n" + "sw $t6, 56(%[dst]) \n" + "sw $t7, 60(%[dst]) \n" + + "addiu %[dst], %[dst], 64 \n" // adding 64 to dest + "sgtu $v1, %[dst], $t9 \n" + "bne %[dst], $a3, $loop16w \n" + " addiu %[src], %[src], 64 \n" // adding 64 to src + "move %[count], $t8 \n" + + // Here we have src and dest word-aligned but less than 64-bytes to go + + "chk8w: \n" + "pref 0, 0x0(%[src]) \n" + "andi $t8, %[count], 0x1f \n" // 32-byte chunk? + // the t8 is the reminder count past 32-bytes + "beq %[count], $t8, chk1w \n" + // count=t8,no 32-byte chunk + " nop \n" + + "lw $t0, 0(%[src]) \n" + "lw $t1, 4(%[src]) \n" + "lw $t2, 8(%[src]) \n" + "lw $t3, 12(%[src]) \n" + "lw $t4, 16(%[src]) \n" + "lw $t5, 20(%[src]) \n" + "lw $t6, 24(%[src]) \n" + "lw $t7, 28(%[src]) \n" + "addiu %[src], %[src], 32 \n" + + "sw $t0, 0(%[dst]) \n" + "sw $t1, 4(%[dst]) \n" + "sw $t2, 8(%[dst]) \n" + "sw $t3, 12(%[dst]) \n" + "sw $t4, 16(%[dst]) \n" + "sw $t5, 20(%[dst]) \n" + "sw $t6, 24(%[dst]) \n" + "sw $t7, 28(%[dst]) \n" + "addiu %[dst], %[dst], 32 \n" + + "chk1w: \n" + "andi %[count], $t8, 0x3 \n" + // now count is the reminder past 1w chunks + "beq %[count], $t8, $last8 \n" + " subu $a3, $t8, %[count] \n" + // a3 is count of bytes in 1w chunks + "addu $a3, %[dst], $a3 \n" + // now a3 is the dst address past the 1w chunks + // copying in words (4-byte chunks) + "$wordCopy_loop: \n" + "lw $t3, 0(%[src]) \n" + // the first t3 may be equal t0 ... optimize? + "addiu %[src], %[src],4 \n" + "addiu %[dst], %[dst],4 \n" + "bne %[dst], $a3,$wordCopy_loop \n" + " sw $t3, -4(%[dst]) \n" + + // For the last (<8) bytes + "$last8: \n" + "blez %[count], leave \n" + " addu $a3, %[dst], %[count] \n" // a3 -last dst address + "$last8loop: \n" + "lb $v1, 0(%[src]) \n" + "addiu %[src], %[src], 1 \n" + "addiu %[dst], %[dst], 1 \n" + "bne %[dst], $a3, $last8loop \n" + " sb $v1, -1(%[dst]) \n" + + "leave: \n" + " j $ra \n" + " nop \n" + + // + // UNALIGNED case + // + + "unaligned: \n" + // got here with a3="negu a1" + "andi $a3, $a3, 0x3 \n" // a1 is word aligned? + "beqz $a3, $ua_chk16w \n" + " subu %[count], %[count], $a3 \n" + // bytes left after initial a3 bytes + "lwr $v1, 0(%[src]) \n" + "lwl $v1, 3(%[src]) \n" + "addu %[src], %[src], $a3 \n" // a3 may be 1, 2 or 3 + "swr $v1, 0(%[dst]) \n" + "addu %[dst], %[dst], $a3 \n" + // below the dst will be word aligned (NOTE1) + "$ua_chk16w: \n" + "andi $t8, %[count], 0x3f \n" // whole 64-B chunks? + // t8 is the byte count after 64-byte chunks + "beq %[count], $t8, ua_chk8w \n" + // if a2==t8, no 64-byte chunks + // There will be at most 1 32-byte chunk after it + "subu $a3, %[count], $t8 \n" // the reminder + // Here a3 counts bytes in 16w chunks + "addu $a3, %[dst], $a3 \n" + // Now a3 is the final dst after 64-byte chunks + "addu $t0, %[dst], %[count] \n" // t0 "past the end" + "subu $t9, $t0, 160 \n" + // t9 is the "last safe pref 30,128(a1)" address + "pref 0, 0(%[src]) \n" // first line of src + "pref 0, 32(%[src]) \n" // second line addr 32 + "pref 0, 64(%[src]) \n" + "pref 30, 32(%[dst]) \n" + // safe, as we have at least 64 bytes ahead + // In case the a1 > t9 don't use "pref 30" at all + "sgtu $v1, %[dst], $t9 \n" + "bgtz $v1, $ua_loop16w \n" + // skip "pref 30,64(a1)" for too short arrays + " nop \n" + // otherwise, start with using pref30 + "pref 30, 64(%[dst]) \n" + "$ua_loop16w: \n" + "pref 0, 96(%[src]) \n" + "lwr $t0, 0(%[src]) \n" + "lwl $t0, 3(%[src]) \n" + "lwr $t1, 4(%[src]) \n" + "bgtz $v1, $ua_skip_pref30_96 \n" + " lwl $t1, 7(%[src]) \n" + "pref 30, 96(%[dst]) \n" + // continue setting up the dest, addr 96 + "$ua_skip_pref30_96: \n" + "lwr $t2, 8(%[src]) \n" + "lwl $t2, 11(%[src]) \n" + "lwr $t3, 12(%[src]) \n" + "lwl $t3, 15(%[src]) \n" + "lwr $t4, 16(%[src]) \n" + "lwl $t4, 19(%[src]) \n" + "lwr $t5, 20(%[src]) \n" + "lwl $t5, 23(%[src]) \n" + "lwr $t6, 24(%[src]) \n" + "lwl $t6, 27(%[src]) \n" + "lwr $t7, 28(%[src]) \n" + "lwl $t7, 31(%[src]) \n" + "pref 0, 128(%[src]) \n" + // bring the next lines of src, addr 128 + "sw $t0, 0(%[dst]) \n" + "sw $t1, 4(%[dst]) \n" + "sw $t2, 8(%[dst]) \n" + "sw $t3, 12(%[dst]) \n" + "sw $t4, 16(%[dst]) \n" + "sw $t5, 20(%[dst]) \n" + "sw $t6, 24(%[dst]) \n" + "sw $t7, 28(%[dst]) \n" + "lwr $t0, 32(%[src]) \n" + "lwl $t0, 35(%[src]) \n" + "lwr $t1, 36(%[src]) \n" + "bgtz $v1, ua_skip_pref30_128 \n" + " lwl $t1, 39(%[src]) \n" + "pref 30, 128(%[dst]) \n" + // continue setting up the dest, addr 128 + "ua_skip_pref30_128: \n" + + "lwr $t2, 40(%[src]) \n" + "lwl $t2, 43(%[src]) \n" + "lwr $t3, 44(%[src]) \n" + "lwl $t3, 47(%[src]) \n" + "lwr $t4, 48(%[src]) \n" + "lwl $t4, 51(%[src]) \n" + "lwr $t5, 52(%[src]) \n" + "lwl $t5, 55(%[src]) \n" + "lwr $t6, 56(%[src]) \n" + "lwl $t6, 59(%[src]) \n" + "lwr $t7, 60(%[src]) \n" + "lwl $t7, 63(%[src]) \n" + "pref 0, 160(%[src]) \n" + // bring the next lines of src, addr 160 + "sw $t0, 32(%[dst]) \n" + "sw $t1, 36(%[dst]) \n" + "sw $t2, 40(%[dst]) \n" + "sw $t3, 44(%[dst]) \n" + "sw $t4, 48(%[dst]) \n" + "sw $t5, 52(%[dst]) \n" + "sw $t6, 56(%[dst]) \n" + "sw $t7, 60(%[dst]) \n" + + "addiu %[dst],%[dst],64 \n" // adding 64 to dest + "sgtu $v1,%[dst],$t9 \n" + "bne %[dst],$a3,$ua_loop16w \n" + " addiu %[src],%[src],64 \n" // adding 64 to src + "move %[count],$t8 \n" + + // Here we have src and dest word-aligned but less than 64-bytes to go + + "ua_chk8w: \n" + "pref 0, 0x0(%[src]) \n" + "andi $t8, %[count], 0x1f \n" // 32-byte chunk? + // the t8 is the reminder count + "beq %[count], $t8, $ua_chk1w \n" + // when count==t8, no 32-byte chunk + + "lwr $t0, 0(%[src]) \n" + "lwl $t0, 3(%[src]) \n" + "lwr $t1, 4(%[src]) \n" + "lwl $t1, 7(%[src]) \n" + "lwr $t2, 8(%[src]) \n" + "lwl $t2, 11(%[src]) \n" + "lwr $t3, 12(%[src]) \n" + "lwl $t3, 15(%[src]) \n" + "lwr $t4, 16(%[src]) \n" + "lwl $t4, 19(%[src]) \n" + "lwr $t5, 20(%[src]) \n" + "lwl $t5, 23(%[src]) \n" + "lwr $t6, 24(%[src]) \n" + "lwl $t6, 27(%[src]) \n" + "lwr $t7, 28(%[src]) \n" + "lwl $t7, 31(%[src]) \n" + "addiu %[src], %[src], 32 \n" + + "sw $t0, 0(%[dst]) \n" + "sw $t1, 4(%[dst]) \n" + "sw $t2, 8(%[dst]) \n" + "sw $t3, 12(%[dst]) \n" + "sw $t4, 16(%[dst]) \n" + "sw $t5, 20(%[dst]) \n" + "sw $t6, 24(%[dst]) \n" + "sw $t7, 28(%[dst]) \n" + "addiu %[dst], %[dst], 32 \n" + + "$ua_chk1w: \n" + "andi %[count], $t8, 0x3 \n" + // now count is the reminder past 1w chunks + "beq %[count], $t8, ua_smallCopy \n" + "subu $a3, $t8, %[count] \n" + // a3 is count of bytes in 1w chunks + "addu $a3, %[dst], $a3 \n" + // now a3 is the dst address past the 1w chunks + + // copying in words (4-byte chunks) + "$ua_wordCopy_loop: \n" + "lwr $v1, 0(%[src]) \n" + "lwl $v1, 3(%[src]) \n" + "addiu %[src], %[src], 4 \n" + "addiu %[dst], %[dst], 4 \n" + // note: dst=a1 is word aligned here, see NOTE1 + "bne %[dst], $a3, $ua_wordCopy_loop \n" + " sw $v1,-4(%[dst]) \n" + + // Now less than 4 bytes (value in count) left to copy + "ua_smallCopy: \n" + "beqz %[count], leave \n" + " addu $a3, %[dst], %[count] \n" // a3 = last dst address + "$ua_smallCopy_loop: \n" + "lb $v1, 0(%[src]) \n" + "addiu %[src], %[src], 1 \n" + "addiu %[dst], %[dst], 1 \n" + "bne %[dst],$a3,$ua_smallCopy_loop \n" + " sb $v1, -1(%[dst]) \n" + + "j $ra \n" + " nop \n" + ".set at \n" + ".set reorder \n" + : [dst] "+r"(dst), [src] "+r"(src) + : [count] "r"(count) + : "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9", "a3", "v1", + "at"); } #endif // HAS_COPYROW_MIPS // DSPR2 functions -#if !defined(LIBYUV_DISABLE_MIPS) && defined(__mips_dsp) && \ - (__mips_dsp_rev >= 2) && \ - (_MIPS_SIM == _MIPS_SIM_ABI32) && (__mips_isa_rev < 6) +#if !defined(LIBYUV_DISABLE_MIPS) && defined(__mips_dsp) && \ + (__mips_dsp_rev >= 2) && (_MIPS_SIM == _MIPS_SIM_ABI32) && \ + (__mips_isa_rev < 6) -void SplitUVRow_DSPR2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, +void SplitUVRow_DSPR2(const uint8* src_uv, + uint8* dst_u, + uint8* dst_v, int width) { - __asm__ __volatile__ ( - ".set push \n" - ".set noreorder \n" - "srl $t4, %[width], 4 \n" // multiplies of 16 - "blez $t4, 2f \n" - " andi %[width], %[width], 0xf \n" // residual - - "1: \n" - "addiu $t4, $t4, -1 \n" - "lw $t0, 0(%[src_uv]) \n" // V1 | U1 | V0 | U0 - "lw $t1, 4(%[src_uv]) \n" // V3 | U3 | V2 | U2 - "lw $t2, 8(%[src_uv]) \n" // V5 | U5 | V4 | U4 - "lw $t3, 12(%[src_uv]) \n" // V7 | U7 | V6 | U6 - "lw $t5, 16(%[src_uv]) \n" // V9 | U9 | V8 | U8 - "lw $t6, 20(%[src_uv]) \n" // V11 | U11 | V10 | U10 - "lw $t7, 24(%[src_uv]) \n" // V13 | U13 | V12 | U12 - "lw $t8, 28(%[src_uv]) \n" // V15 | U15 | V14 | U14 - "addiu %[src_uv], %[src_uv], 32 \n" - "precrq.qb.ph $t9, $t1, $t0 \n" // V3 | V2 | V1 | V0 - "precr.qb.ph $t0, $t1, $t0 \n" // U3 | U2 | U1 | U0 - "precrq.qb.ph $t1, $t3, $t2 \n" // V7 | V6 | V5 | V4 - "precr.qb.ph $t2, $t3, $t2 \n" // U7 | U6 | U5 | U4 - "precrq.qb.ph $t3, $t6, $t5 \n" // V11 | V10 | V9 | V8 - "precr.qb.ph $t5, $t6, $t5 \n" // U11 | U10 | U9 | U8 - "precrq.qb.ph $t6, $t8, $t7 \n" // V15 | V14 | V13 | V12 - "precr.qb.ph $t7, $t8, $t7 \n" // U15 | U14 | U13 | U12 - "sw $t9, 0(%[dst_v]) \n" - "sw $t0, 0(%[dst_u]) \n" - "sw $t1, 4(%[dst_v]) \n" - "sw $t2, 4(%[dst_u]) \n" - "sw $t3, 8(%[dst_v]) \n" - "sw $t5, 8(%[dst_u]) \n" - "sw $t6, 12(%[dst_v]) \n" - "sw $t7, 12(%[dst_u]) \n" - "addiu %[dst_v], %[dst_v], 16 \n" - "bgtz $t4, 1b \n" - " addiu %[dst_u], %[dst_u], 16 \n" - - "beqz %[width], 3f \n" - " nop \n" - - "2: \n" - "lbu $t0, 0(%[src_uv]) \n" - "lbu $t1, 1(%[src_uv]) \n" - "addiu %[src_uv], %[src_uv], 2 \n" - "addiu %[width], %[width], -1 \n" - "sb $t0, 0(%[dst_u]) \n" - "sb $t1, 0(%[dst_v]) \n" - "addiu %[dst_u], %[dst_u], 1 \n" - "bgtz %[width], 2b \n" - " addiu %[dst_v], %[dst_v], 1 \n" - - "3: \n" - ".set pop \n" - : [src_uv] "+r" (src_uv), - [width] "+r" (width), - [dst_u] "+r" (dst_u), - [dst_v] "+r" (dst_v) - : - : "t0", "t1", "t2", "t3", - "t4", "t5", "t6", "t7", "t8", "t9" - ); + __asm__ __volatile__( + ".set push \n" + ".set noreorder \n" + "srl $t4, %[width], 4 \n" // multiplies of 16 + "blez $t4, 2f \n" + " andi %[width], %[width], 0xf \n" // residual + + "1: \n" + "addiu $t4, $t4, -1 \n" + "lw $t0, 0(%[src_uv]) \n" // V1 | U1 | V0 | U0 + "lw $t1, 4(%[src_uv]) \n" // V3 | U3 | V2 | U2 + "lw $t2, 8(%[src_uv]) \n" // V5 | U5 | V4 | U4 + "lw $t3, 12(%[src_uv]) \n" // V7 | U7 | V6 | U6 + "lw $t5, 16(%[src_uv]) \n" // V9 | U9 | V8 | U8 + "lw $t6, 20(%[src_uv]) \n" // V11 | U11 | V10 | + // U10 + "lw $t7, 24(%[src_uv]) \n" // V13 | U13 | V12 | + // U12 + "lw $t8, 28(%[src_uv]) \n" // V15 | U15 | V14 | + // U14 + "addiu %[src_uv], %[src_uv], 32 \n" + "precrq.qb.ph $t9, $t1, $t0 \n" // V3 | V2 | V1 | V0 + "precr.qb.ph $t0, $t1, $t0 \n" // U3 | U2 | U1 | U0 + "precrq.qb.ph $t1, $t3, $t2 \n" // V7 | V6 | V5 | V4 + "precr.qb.ph $t2, $t3, $t2 \n" // U7 | U6 | U5 | U4 + "precrq.qb.ph $t3, $t6, $t5 \n" // V11 | V10 | V9 | V8 + "precr.qb.ph $t5, $t6, $t5 \n" // U11 | U10 | U9 | U8 + "precrq.qb.ph $t6, $t8, $t7 \n" // V15 | V14 | V13 | + // V12 + "precr.qb.ph $t7, $t8, $t7 \n" // U15 | U14 | U13 | + // U12 + "sw $t9, 0(%[dst_v]) \n" + "sw $t0, 0(%[dst_u]) \n" + "sw $t1, 4(%[dst_v]) \n" + "sw $t2, 4(%[dst_u]) \n" + "sw $t3, 8(%[dst_v]) \n" + "sw $t5, 8(%[dst_u]) \n" + "sw $t6, 12(%[dst_v]) \n" + "sw $t7, 12(%[dst_u]) \n" + "addiu %[dst_v], %[dst_v], 16 \n" + "bgtz $t4, 1b \n" + " addiu %[dst_u], %[dst_u], 16 \n" + + "beqz %[width], 3f \n" + " nop \n" + + "2: \n" + "lbu $t0, 0(%[src_uv]) \n" + "lbu $t1, 1(%[src_uv]) \n" + "addiu %[src_uv], %[src_uv], 2 \n" + "addiu %[width], %[width], -1 \n" + "sb $t0, 0(%[dst_u]) \n" + "sb $t1, 0(%[dst_v]) \n" + "addiu %[dst_u], %[dst_u], 1 \n" + "bgtz %[width], 2b \n" + " addiu %[dst_v], %[dst_v], 1 \n" + + "3: \n" + ".set pop \n" + : [src_uv] "+r"(src_uv), [width] "+r"(width), [dst_u] "+r"(dst_u), + [dst_v] "+r"(dst_v) + : + : "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9"); } void MirrorRow_DSPR2(const uint8* src, uint8* dst, int width) { - __asm__ __volatile__ ( - ".set push \n" - ".set noreorder \n" - - "srl $t4, %[width], 4 \n" // multiplies of 16 - "andi $t5, %[width], 0xf \n" - "blez $t4, 2f \n" - " addu %[src], %[src], %[width] \n" // src += width - - "1: \n" - "lw $t0, -16(%[src]) \n" // |3|2|1|0| - "lw $t1, -12(%[src]) \n" // |7|6|5|4| - "lw $t2, -8(%[src]) \n" // |11|10|9|8| - "lw $t3, -4(%[src]) \n" // |15|14|13|12| - "wsbh $t0, $t0 \n" // |2|3|0|1| - "wsbh $t1, $t1 \n" // |6|7|4|5| - "wsbh $t2, $t2 \n" // |10|11|8|9| - "wsbh $t3, $t3 \n" // |14|15|12|13| - "rotr $t0, $t0, 16 \n" // |0|1|2|3| - "rotr $t1, $t1, 16 \n" // |4|5|6|7| - "rotr $t2, $t2, 16 \n" // |8|9|10|11| - "rotr $t3, $t3, 16 \n" // |12|13|14|15| - "addiu %[src], %[src], -16 \n" - "addiu $t4, $t4, -1 \n" - "sw $t3, 0(%[dst]) \n" // |15|14|13|12| - "sw $t2, 4(%[dst]) \n" // |11|10|9|8| - "sw $t1, 8(%[dst]) \n" // |7|6|5|4| - "sw $t0, 12(%[dst]) \n" // |3|2|1|0| - "bgtz $t4, 1b \n" - " addiu %[dst], %[dst], 16 \n" - "beqz $t5, 3f \n" - " nop \n" - - "2: \n" - "lbu $t0, -1(%[src]) \n" - "addiu $t5, $t5, -1 \n" - "addiu %[src], %[src], -1 \n" - "sb $t0, 0(%[dst]) \n" - "bgez $t5, 2b \n" - " addiu %[dst], %[dst], 1 \n" - - "3: \n" - ".set pop \n" - : [src] "+r" (src), [dst] "+r" (dst) - : [width] "r" (width) - : "t0", "t1", "t2", "t3", "t4", "t5" - ); + __asm__ __volatile__( + ".set push \n" + ".set noreorder \n" + + "srl $t4, %[width], 4 \n" // multiplies of 16 + "andi $t5, %[width], 0xf \n" + "blez $t4, 2f \n" + " addu %[src], %[src], %[width] \n" // src += width + + "1: \n" + "lw $t0, -16(%[src]) \n" // |3|2|1|0| + "lw $t1, -12(%[src]) \n" // |7|6|5|4| + "lw $t2, -8(%[src]) \n" // |11|10|9|8| + "lw $t3, -4(%[src]) \n" // |15|14|13|12| + "wsbh $t0, $t0 \n" // |2|3|0|1| + "wsbh $t1, $t1 \n" // |6|7|4|5| + "wsbh $t2, $t2 \n" // |10|11|8|9| + "wsbh $t3, $t3 \n" // |14|15|12|13| + "rotr $t0, $t0, 16 \n" // |0|1|2|3| + "rotr $t1, $t1, 16 \n" // |4|5|6|7| + "rotr $t2, $t2, 16 \n" // |8|9|10|11| + "rotr $t3, $t3, 16 \n" // |12|13|14|15| + "addiu %[src], %[src], -16 \n" + "addiu $t4, $t4, -1 \n" + "sw $t3, 0(%[dst]) \n" // |15|14|13|12| + "sw $t2, 4(%[dst]) \n" // |11|10|9|8| + "sw $t1, 8(%[dst]) \n" // |7|6|5|4| + "sw $t0, 12(%[dst]) \n" // |3|2|1|0| + "bgtz $t4, 1b \n" + " addiu %[dst], %[dst], 16 \n" + "beqz $t5, 3f \n" + " nop \n" + + "2: \n" + "lbu $t0, -1(%[src]) \n" + "addiu $t5, $t5, -1 \n" + "addiu %[src], %[src], -1 \n" + "sb $t0, 0(%[dst]) \n" + "bgez $t5, 2b \n" + " addiu %[dst], %[dst], 1 \n" + + "3: \n" + ".set pop \n" + : [src] "+r"(src), [dst] "+r"(dst) + : [width] "r"(width) + : "t0", "t1", "t2", "t3", "t4", "t5"); } -void MirrorUVRow_DSPR2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, +void MirrorUVRow_DSPR2(const uint8* src_uv, + uint8* dst_u, + uint8* dst_v, int width) { int x; int y; - __asm__ __volatile__ ( - ".set push \n" - ".set noreorder \n" - - "addu $t4, %[width], %[width] \n" - "srl %[x], %[width], 4 \n" - "andi %[y], %[width], 0xf \n" - "blez %[x], 2f \n" - " addu %[src_uv], %[src_uv], $t4 \n" - - "1: \n" - "lw $t0, -32(%[src_uv]) \n" // |3|2|1|0| - "lw $t1, -28(%[src_uv]) \n" // |7|6|5|4| - "lw $t2, -24(%[src_uv]) \n" // |11|10|9|8| - "lw $t3, -20(%[src_uv]) \n" // |15|14|13|12| - "lw $t4, -16(%[src_uv]) \n" // |19|18|17|16| - "lw $t6, -12(%[src_uv]) \n" // |23|22|21|20| - "lw $t7, -8(%[src_uv]) \n" // |27|26|25|24| - "lw $t8, -4(%[src_uv]) \n" // |31|30|29|28| - - "rotr $t0, $t0, 16 \n" // |1|0|3|2| - "rotr $t1, $t1, 16 \n" // |5|4|7|6| - "rotr $t2, $t2, 16 \n" // |9|8|11|10| - "rotr $t3, $t3, 16 \n" // |13|12|15|14| - "rotr $t4, $t4, 16 \n" // |17|16|19|18| - "rotr $t6, $t6, 16 \n" // |21|20|23|22| - "rotr $t7, $t7, 16 \n" // |25|24|27|26| - "rotr $t8, $t8, 16 \n" // |29|28|31|30| - "precr.qb.ph $t9, $t0, $t1 \n" // |0|2|4|6| - "precrq.qb.ph $t5, $t0, $t1 \n" // |1|3|5|7| - "precr.qb.ph $t0, $t2, $t3 \n" // |8|10|12|14| - "precrq.qb.ph $t1, $t2, $t3 \n" // |9|11|13|15| - "precr.qb.ph $t2, $t4, $t6 \n" // |16|18|20|22| - "precrq.qb.ph $t3, $t4, $t6 \n" // |17|19|21|23| - "precr.qb.ph $t4, $t7, $t8 \n" // |24|26|28|30| - "precrq.qb.ph $t6, $t7, $t8 \n" // |25|27|29|31| - "addiu %[src_uv], %[src_uv], -32 \n" - "addiu %[x], %[x], -1 \n" - "swr $t4, 0(%[dst_u]) \n" - "swl $t4, 3(%[dst_u]) \n" // |30|28|26|24| - "swr $t6, 0(%[dst_v]) \n" - "swl $t6, 3(%[dst_v]) \n" // |31|29|27|25| - "swr $t2, 4(%[dst_u]) \n" - "swl $t2, 7(%[dst_u]) \n" // |22|20|18|16| - "swr $t3, 4(%[dst_v]) \n" - "swl $t3, 7(%[dst_v]) \n" // |23|21|19|17| - "swr $t0, 8(%[dst_u]) \n" - "swl $t0, 11(%[dst_u]) \n" // |14|12|10|8| - "swr $t1, 8(%[dst_v]) \n" - "swl $t1, 11(%[dst_v]) \n" // |15|13|11|9| - "swr $t9, 12(%[dst_u]) \n" - "swl $t9, 15(%[dst_u]) \n" // |6|4|2|0| - "swr $t5, 12(%[dst_v]) \n" - "swl $t5, 15(%[dst_v]) \n" // |7|5|3|1| - "addiu %[dst_v], %[dst_v], 16 \n" - "bgtz %[x], 1b \n" - " addiu %[dst_u], %[dst_u], 16 \n" - "beqz %[y], 3f \n" - " nop \n" - "b 2f \n" - " nop \n" - - "2: \n" - "lbu $t0, -2(%[src_uv]) \n" - "lbu $t1, -1(%[src_uv]) \n" - "addiu %[src_uv], %[src_uv], -2 \n" - "addiu %[y], %[y], -1 \n" - "sb $t0, 0(%[dst_u]) \n" - "sb $t1, 0(%[dst_v]) \n" - "addiu %[dst_u], %[dst_u], 1 \n" - "bgtz %[y], 2b \n" - " addiu %[dst_v], %[dst_v], 1 \n" - - "3: \n" - ".set pop \n" - : [src_uv] "+r" (src_uv), - [dst_u] "+r" (dst_u), - [dst_v] "+r" (dst_v), - [x] "=&r" (x), - [y] "=&r" (y) - : [width] "r" (width) - : "t0", "t1", "t2", "t3", "t4", - "t5", "t7", "t8", "t9" - ); + __asm__ __volatile__( + ".set push \n" + ".set noreorder \n" + + "addu $t4, %[width], %[width] \n" + "srl %[x], %[width], 4 \n" + "andi %[y], %[width], 0xf \n" + "blez %[x], 2f \n" + " addu %[src_uv], %[src_uv], $t4 \n" + + "1: \n" + "lw $t0, -32(%[src_uv]) \n" // |3|2|1|0| + "lw $t1, -28(%[src_uv]) \n" // |7|6|5|4| + "lw $t2, -24(%[src_uv]) \n" // |11|10|9|8| + "lw $t3, -20(%[src_uv]) \n" // |15|14|13|12| + "lw $t4, -16(%[src_uv]) \n" // |19|18|17|16| + "lw $t6, -12(%[src_uv]) \n" // |23|22|21|20| + "lw $t7, -8(%[src_uv]) \n" // |27|26|25|24| + "lw $t8, -4(%[src_uv]) \n" // |31|30|29|28| + + "rotr $t0, $t0, 16 \n" // |1|0|3|2| + "rotr $t1, $t1, 16 \n" // |5|4|7|6| + "rotr $t2, $t2, 16 \n" // |9|8|11|10| + "rotr $t3, $t3, 16 \n" // |13|12|15|14| + "rotr $t4, $t4, 16 \n" // |17|16|19|18| + "rotr $t6, $t6, 16 \n" // |21|20|23|22| + "rotr $t7, $t7, 16 \n" // |25|24|27|26| + "rotr $t8, $t8, 16 \n" // |29|28|31|30| + "precr.qb.ph $t9, $t0, $t1 \n" // |0|2|4|6| + "precrq.qb.ph $t5, $t0, $t1 \n" // |1|3|5|7| + "precr.qb.ph $t0, $t2, $t3 \n" // |8|10|12|14| + "precrq.qb.ph $t1, $t2, $t3 \n" // |9|11|13|15| + "precr.qb.ph $t2, $t4, $t6 \n" // |16|18|20|22| + "precrq.qb.ph $t3, $t4, $t6 \n" // |17|19|21|23| + "precr.qb.ph $t4, $t7, $t8 \n" // |24|26|28|30| + "precrq.qb.ph $t6, $t7, $t8 \n" // |25|27|29|31| + "addiu %[src_uv], %[src_uv], -32 \n" + "addiu %[x], %[x], -1 \n" + "swr $t4, 0(%[dst_u]) \n" + "swl $t4, 3(%[dst_u]) \n" // |30|28|26|24| + "swr $t6, 0(%[dst_v]) \n" + "swl $t6, 3(%[dst_v]) \n" // |31|29|27|25| + "swr $t2, 4(%[dst_u]) \n" + "swl $t2, 7(%[dst_u]) \n" // |22|20|18|16| + "swr $t3, 4(%[dst_v]) \n" + "swl $t3, 7(%[dst_v]) \n" // |23|21|19|17| + "swr $t0, 8(%[dst_u]) \n" + "swl $t0, 11(%[dst_u]) \n" // |14|12|10|8| + "swr $t1, 8(%[dst_v]) \n" + "swl $t1, 11(%[dst_v]) \n" // |15|13|11|9| + "swr $t9, 12(%[dst_u]) \n" + "swl $t9, 15(%[dst_u]) \n" // |6|4|2|0| + "swr $t5, 12(%[dst_v]) \n" + "swl $t5, 15(%[dst_v]) \n" // |7|5|3|1| + "addiu %[dst_v], %[dst_v], 16 \n" + "bgtz %[x], 1b \n" + " addiu %[dst_u], %[dst_u], 16 \n" + "beqz %[y], 3f \n" + " nop \n" + "b 2f \n" + " nop \n" + + "2: \n" + "lbu $t0, -2(%[src_uv]) \n" + "lbu $t1, -1(%[src_uv]) \n" + "addiu %[src_uv], %[src_uv], -2 \n" + "addiu %[y], %[y], -1 \n" + "sb $t0, 0(%[dst_u]) \n" + "sb $t1, 0(%[dst_v]) \n" + "addiu %[dst_u], %[dst_u], 1 \n" + "bgtz %[y], 2b \n" + " addiu %[dst_v], %[dst_v], 1 \n" + + "3: \n" + ".set pop \n" + : [src_uv] "+r"(src_uv), [dst_u] "+r"(dst_u), [dst_v] "+r"(dst_v), + [x] "=&r"(x), [y] "=&r"(y) + : [width] "r"(width) + : "t0", "t1", "t2", "t3", "t4", "t5", "t7", "t8", "t9"); } // Convert (4 Y and 2 VU) I422 and arrange RGB values into @@ -593,64 +592,64 @@ void MirrorUVRow_DSPR2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, // t8 = | 0 | G1 | 0 | g1 | // t2 = | 0 | R0 | 0 | r0 | // t1 = | 0 | R1 | 0 | r1 | -#define YUVTORGB \ - "lw $t0, 0(%[y_buf]) \n" \ - "lhu $t1, 0(%[u_buf]) \n" \ - "lhu $t2, 0(%[v_buf]) \n" \ - "preceu.ph.qbr $t1, $t1 \n" \ - "preceu.ph.qbr $t2, $t2 \n" \ - "preceu.ph.qbra $t3, $t0 \n" \ - "preceu.ph.qbla $t0, $t0 \n" \ - "subu.ph $t1, $t1, $s5 \n" \ - "subu.ph $t2, $t2, $s5 \n" \ - "subu.ph $t3, $t3, $s4 \n" \ - "subu.ph $t0, $t0, $s4 \n" \ - "mul.ph $t3, $t3, $s0 \n" \ - "mul.ph $t0, $t0, $s0 \n" \ - "shll.ph $t4, $t1, 0x7 \n" \ - "subu.ph $t4, $t4, $t1 \n" \ - "mul.ph $t6, $t1, $s1 \n" \ - "mul.ph $t1, $t2, $s2 \n" \ - "addq_s.ph $t5, $t4, $t3 \n" \ - "addq_s.ph $t4, $t4, $t0 \n" \ - "shra.ph $t5, $t5, 6 \n" \ - "shra.ph $t4, $t4, 6 \n" \ - "addiu %[u_buf], 2 \n" \ - "addiu %[v_buf], 2 \n" \ - "addu.ph $t6, $t6, $t1 \n" \ - "mul.ph $t1, $t2, $s3 \n" \ - "addu.ph $t9, $t6, $t3 \n" \ - "addu.ph $t8, $t6, $t0 \n" \ - "shra.ph $t9, $t9, 6 \n" \ - "shra.ph $t8, $t8, 6 \n" \ - "addu.ph $t2, $t1, $t3 \n" \ - "addu.ph $t1, $t1, $t0 \n" \ - "shra.ph $t2, $t2, 6 \n" \ - "shra.ph $t1, $t1, 6 \n" \ - "subu.ph $t5, $t5, $s5 \n" \ - "subu.ph $t4, $t4, $s5 \n" \ - "subu.ph $t9, $t9, $s5 \n" \ - "subu.ph $t8, $t8, $s5 \n" \ - "subu.ph $t2, $t2, $s5 \n" \ - "subu.ph $t1, $t1, $s5 \n" \ - "shll_s.ph $t5, $t5, 8 \n" \ - "shll_s.ph $t4, $t4, 8 \n" \ - "shll_s.ph $t9, $t9, 8 \n" \ - "shll_s.ph $t8, $t8, 8 \n" \ - "shll_s.ph $t2, $t2, 8 \n" \ - "shll_s.ph $t1, $t1, 8 \n" \ - "shra.ph $t5, $t5, 8 \n" \ - "shra.ph $t4, $t4, 8 \n" \ - "shra.ph $t9, $t9, 8 \n" \ - "shra.ph $t8, $t8, 8 \n" \ - "shra.ph $t2, $t2, 8 \n" \ - "shra.ph $t1, $t1, 8 \n" \ - "addu.ph $t5, $t5, $s5 \n" \ - "addu.ph $t4, $t4, $s5 \n" \ - "addu.ph $t9, $t9, $s5 \n" \ - "addu.ph $t8, $t8, $s5 \n" \ - "addu.ph $t2, $t2, $s5 \n" \ - "addu.ph $t1, $t1, $s5 \n" +#define YUVTORGB \ + "lw $t0, 0(%[y_buf]) \n" \ + "lhu $t1, 0(%[u_buf]) \n" \ + "lhu $t2, 0(%[v_buf]) \n" \ + "preceu.ph.qbr $t1, $t1 \n" \ + "preceu.ph.qbr $t2, $t2 \n" \ + "preceu.ph.qbra $t3, $t0 \n" \ + "preceu.ph.qbla $t0, $t0 \n" \ + "subu.ph $t1, $t1, $s5 \n" \ + "subu.ph $t2, $t2, $s5 \n" \ + "subu.ph $t3, $t3, $s4 \n" \ + "subu.ph $t0, $t0, $s4 \n" \ + "mul.ph $t3, $t3, $s0 \n" \ + "mul.ph $t0, $t0, $s0 \n" \ + "shll.ph $t4, $t1, 0x7 \n" \ + "subu.ph $t4, $t4, $t1 \n" \ + "mul.ph $t6, $t1, $s1 \n" \ + "mul.ph $t1, $t2, $s2 \n" \ + "addq_s.ph $t5, $t4, $t3 \n" \ + "addq_s.ph $t4, $t4, $t0 \n" \ + "shra.ph $t5, $t5, 6 \n" \ + "shra.ph $t4, $t4, 6 \n" \ + "addiu %[u_buf], 2 \n" \ + "addiu %[v_buf], 2 \n" \ + "addu.ph $t6, $t6, $t1 \n" \ + "mul.ph $t1, $t2, $s3 \n" \ + "addu.ph $t9, $t6, $t3 \n" \ + "addu.ph $t8, $t6, $t0 \n" \ + "shra.ph $t9, $t9, 6 \n" \ + "shra.ph $t8, $t8, 6 \n" \ + "addu.ph $t2, $t1, $t3 \n" \ + "addu.ph $t1, $t1, $t0 \n" \ + "shra.ph $t2, $t2, 6 \n" \ + "shra.ph $t1, $t1, 6 \n" \ + "subu.ph $t5, $t5, $s5 \n" \ + "subu.ph $t4, $t4, $s5 \n" \ + "subu.ph $t9, $t9, $s5 \n" \ + "subu.ph $t8, $t8, $s5 \n" \ + "subu.ph $t2, $t2, $s5 \n" \ + "subu.ph $t1, $t1, $s5 \n" \ + "shll_s.ph $t5, $t5, 8 \n" \ + "shll_s.ph $t4, $t4, 8 \n" \ + "shll_s.ph $t9, $t9, 8 \n" \ + "shll_s.ph $t8, $t8, 8 \n" \ + "shll_s.ph $t2, $t2, 8 \n" \ + "shll_s.ph $t1, $t1, 8 \n" \ + "shra.ph $t5, $t5, 8 \n" \ + "shra.ph $t4, $t4, 8 \n" \ + "shra.ph $t9, $t9, 8 \n" \ + "shra.ph $t8, $t8, 8 \n" \ + "shra.ph $t2, $t2, 8 \n" \ + "shra.ph $t1, $t1, 8 \n" \ + "addu.ph $t5, $t5, $s5 \n" \ + "addu.ph $t4, $t4, $s5 \n" \ + "addu.ph $t9, $t9, $s5 \n" \ + "addu.ph $t8, $t8, $s5 \n" \ + "addu.ph $t2, $t2, $s5 \n" \ + "addu.ph $t1, $t1, $s5 \n" // TODO(fbarchard): accept yuv conversion constants. void I422ToARGBRow_DSPR2(const uint8* y_buf, @@ -659,118 +658,108 @@ void I422ToARGBRow_DSPR2(const uint8* y_buf, uint8* rgb_buf, const struct YuvConstants* yuvconstants, int width) { - __asm__ __volatile__ ( - ".set push \n" - ".set noreorder \n" - "beqz %[width], 2f \n" - " repl.ph $s0, 74 \n" // |YG|YG| = |74|74| - "repl.ph $s1, -25 \n" // |UG|UG| = |-25|-25| - "repl.ph $s2, -52 \n" // |VG|VG| = |-52|-52| - "repl.ph $s3, 102 \n" // |VR|VR| = |102|102| - "repl.ph $s4, 16 \n" // |0|16|0|16| - "repl.ph $s5, 128 \n" // |128|128| // clipping - "lui $s6, 0xff00 \n" - "ori $s6, 0xff00 \n" // |ff|00|ff|00|ff| - - "1: \n" - YUVTORGB -// Arranging into argb format - "precr.qb.ph $t4, $t8, $t4 \n" // |G1|g1|B1|b1| - "precr.qb.ph $t5, $t9, $t5 \n" // |G0|g0|B0|b0| - "addiu %[width], -4 \n" - "precrq.qb.ph $t8, $t4, $t5 \n" // |G1|B1|G0|B0| - "precr.qb.ph $t9, $t4, $t5 \n" // |g1|b1|g0|b0| - "precr.qb.ph $t2, $t1, $t2 \n" // |R1|r1|R0|r0| - - "addiu %[y_buf], 4 \n" - "preceu.ph.qbla $t1, $t2 \n" // |0 |R1|0 |R0| - "preceu.ph.qbra $t2, $t2 \n" // |0 |r1|0 |r0| - "or $t1, $t1, $s6 \n" // |ff|R1|ff|R0| - "or $t2, $t2, $s6 \n" // |ff|r1|ff|r0| - "precrq.ph.w $t0, $t2, $t9 \n" // |ff|r1|g1|b1| - "precrq.ph.w $t3, $t1, $t8 \n" // |ff|R1|G1|B1| - "sll $t9, $t9, 16 \n" - "sll $t8, $t8, 16 \n" - "packrl.ph $t2, $t2, $t9 \n" // |ff|r0|g0|b0| - "packrl.ph $t1, $t1, $t8 \n" // |ff|R0|G0|B0| -// Store results. - "sw $t2, 0(%[rgb_buf]) \n" - "sw $t0, 4(%[rgb_buf]) \n" - "sw $t1, 8(%[rgb_buf]) \n" - "sw $t3, 12(%[rgb_buf]) \n" - "bnez %[width], 1b \n" - " addiu %[rgb_buf], 16 \n" - "2: \n" - ".set pop \n" - :[y_buf] "+r" (y_buf), - [u_buf] "+r" (u_buf), - [v_buf] "+r" (v_buf), - [width] "+r" (width), - [rgb_buf] "+r" (rgb_buf) + __asm__ __volatile__( + ".set push \n" + ".set noreorder \n" + "beqz %[width], 2f \n" + " repl.ph $s0, 74 \n" // |YG|YG| = |74|74| + "repl.ph $s1, -25 \n" // |UG|UG| = |-25|-25| + "repl.ph $s2, -52 \n" // |VG|VG| = |-52|-52| + "repl.ph $s3, 102 \n" // |VR|VR| = |102|102| + "repl.ph $s4, 16 \n" // |0|16|0|16| + "repl.ph $s5, 128 \n" // |128|128| // clipping + "lui $s6, 0xff00 \n" + "ori $s6, 0xff00 \n" // |ff|00|ff|00|ff| + + "1: \n" YUVTORGB + // Arranging into argb format + "precr.qb.ph $t4, $t8, $t4 \n" // |G1|g1|B1|b1| + "precr.qb.ph $t5, $t9, $t5 \n" // |G0|g0|B0|b0| + "addiu %[width], -4 \n" + "precrq.qb.ph $t8, $t4, $t5 \n" // |G1|B1|G0|B0| + "precr.qb.ph $t9, $t4, $t5 \n" // |g1|b1|g0|b0| + "precr.qb.ph $t2, $t1, $t2 \n" // |R1|r1|R0|r0| + + "addiu %[y_buf], 4 \n" + "preceu.ph.qbla $t1, $t2 \n" // |0 |R1|0 |R0| + "preceu.ph.qbra $t2, $t2 \n" // |0 |r1|0 |r0| + "or $t1, $t1, $s6 \n" // |ff|R1|ff|R0| + "or $t2, $t2, $s6 \n" // |ff|r1|ff|r0| + "precrq.ph.w $t0, $t2, $t9 \n" // |ff|r1|g1|b1| + "precrq.ph.w $t3, $t1, $t8 \n" // |ff|R1|G1|B1| + "sll $t9, $t9, 16 \n" + "sll $t8, $t8, 16 \n" + "packrl.ph $t2, $t2, $t9 \n" // |ff|r0|g0|b0| + "packrl.ph $t1, $t1, $t8 \n" // |ff|R0|G0|B0| + // Store results. + "sw $t2, 0(%[rgb_buf]) \n" + "sw $t0, 4(%[rgb_buf]) \n" + "sw $t1, 8(%[rgb_buf]) \n" + "sw $t3, 12(%[rgb_buf]) \n" + "bnez %[width], 1b \n" + " addiu %[rgb_buf], 16 \n" + "2: \n" + ".set pop \n" + : [y_buf] "+r"(y_buf), [u_buf] "+r"(u_buf), [v_buf] "+r"(v_buf), + [width] "+r"(width), [rgb_buf] "+r"(rgb_buf) : - : "t0", "t1", "t2", "t3", "t4", "t5", - "t6", "t7", "t8", "t9", - "s0", "s1", "s2", "s3", - "s4", "s5", "s6" - ); + : "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9", "s0", "s1", + "s2", "s3", "s4", "s5", "s6"); } // Bilinear filter 8x2 -> 8x1 -void InterpolateRow_DSPR2(uint8* dst_ptr, const uint8* src_ptr, - ptrdiff_t src_stride, int dst_width, +void InterpolateRow_DSPR2(uint8* dst_ptr, + const uint8* src_ptr, + ptrdiff_t src_stride, + int dst_width, int source_y_fraction) { - int y0_fraction = 256 - source_y_fraction; - const uint8* src_ptr1 = src_ptr + src_stride; - - __asm__ __volatile__ ( - ".set push \n" - ".set noreorder \n" - - "replv.ph $t0, %[y0_fraction] \n" - "replv.ph $t1, %[source_y_fraction] \n" - - "1: \n" - "lw $t2, 0(%[src_ptr]) \n" - "lw $t3, 0(%[src_ptr1]) \n" - "lw $t4, 4(%[src_ptr]) \n" - "lw $t5, 4(%[src_ptr1]) \n" - "muleu_s.ph.qbl $t6, $t2, $t0 \n" - "muleu_s.ph.qbr $t7, $t2, $t0 \n" - "muleu_s.ph.qbl $t8, $t3, $t1 \n" - "muleu_s.ph.qbr $t9, $t3, $t1 \n" - "muleu_s.ph.qbl $t2, $t4, $t0 \n" - "muleu_s.ph.qbr $t3, $t4, $t0 \n" - "muleu_s.ph.qbl $t4, $t5, $t1 \n" - "muleu_s.ph.qbr $t5, $t5, $t1 \n" - "addq.ph $t6, $t6, $t8 \n" - "addq.ph $t7, $t7, $t9 \n" - "addq.ph $t2, $t2, $t4 \n" - "addq.ph $t3, $t3, $t5 \n" - "shra.ph $t6, $t6, 8 \n" - "shra.ph $t7, $t7, 8 \n" - "shra.ph $t2, $t2, 8 \n" - "shra.ph $t3, $t3, 8 \n" - "precr.qb.ph $t6, $t6, $t7 \n" - "precr.qb.ph $t2, $t2, $t3 \n" - "addiu %[src_ptr], %[src_ptr], 8 \n" - "addiu %[src_ptr1], %[src_ptr1], 8 \n" - "addiu %[dst_width], %[dst_width], -8 \n" - "sw $t6, 0(%[dst_ptr]) \n" - "sw $t2, 4(%[dst_ptr]) \n" - "bgtz %[dst_width], 1b \n" - " addiu %[dst_ptr], %[dst_ptr], 8 \n" - - ".set pop \n" - : [dst_ptr] "+r" (dst_ptr), - [src_ptr1] "+r" (src_ptr1), - [src_ptr] "+r" (src_ptr), - [dst_width] "+r" (dst_width) - : [source_y_fraction] "r" (source_y_fraction), - [y0_fraction] "r" (y0_fraction), - [src_stride] "r" (src_stride) - : "t0", "t1", "t2", "t3", "t4", "t5", - "t6", "t7", "t8", "t9" - ); + int y0_fraction = 256 - source_y_fraction; + const uint8* src_ptr1 = src_ptr + src_stride; + + __asm__ __volatile__( + ".set push \n" + ".set noreorder \n" + + "replv.ph $t0, %[y0_fraction] \n" + "replv.ph $t1, %[source_y_fraction] \n" + + "1: \n" + "lw $t2, 0(%[src_ptr]) \n" + "lw $t3, 0(%[src_ptr1]) \n" + "lw $t4, 4(%[src_ptr]) \n" + "lw $t5, 4(%[src_ptr1]) \n" + "muleu_s.ph.qbl $t6, $t2, $t0 \n" + "muleu_s.ph.qbr $t7, $t2, $t0 \n" + "muleu_s.ph.qbl $t8, $t3, $t1 \n" + "muleu_s.ph.qbr $t9, $t3, $t1 \n" + "muleu_s.ph.qbl $t2, $t4, $t0 \n" + "muleu_s.ph.qbr $t3, $t4, $t0 \n" + "muleu_s.ph.qbl $t4, $t5, $t1 \n" + "muleu_s.ph.qbr $t5, $t5, $t1 \n" + "addq.ph $t6, $t6, $t8 \n" + "addq.ph $t7, $t7, $t9 \n" + "addq.ph $t2, $t2, $t4 \n" + "addq.ph $t3, $t3, $t5 \n" + "shra.ph $t6, $t6, 8 \n" + "shra.ph $t7, $t7, 8 \n" + "shra.ph $t2, $t2, 8 \n" + "shra.ph $t3, $t3, 8 \n" + "precr.qb.ph $t6, $t6, $t7 \n" + "precr.qb.ph $t2, $t2, $t3 \n" + "addiu %[src_ptr], %[src_ptr], 8 \n" + "addiu %[src_ptr1], %[src_ptr1], 8 \n" + "addiu %[dst_width], %[dst_width], -8 \n" + "sw $t6, 0(%[dst_ptr]) \n" + "sw $t2, 4(%[dst_ptr]) \n" + "bgtz %[dst_width], 1b \n" + " addiu %[dst_ptr], %[dst_ptr], 8 \n" + + ".set pop \n" + : [dst_ptr] "+r"(dst_ptr), [src_ptr1] "+r"(src_ptr1), + [src_ptr] "+r"(src_ptr), [dst_width] "+r"(dst_width) + : [source_y_fraction] "r"(source_y_fraction), + [y0_fraction] "r"(y0_fraction), [src_stride] "r"(src_stride) + : "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9"); } #endif // __mips_dsp_rev >= 2 |