diff options
Diffstat (limited to 'toolchain/uClibc/patches-0.9.33.2/999-lexra.patch')
| -rw-r--r-- | toolchain/uClibc/patches-0.9.33.2/999-lexra.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/toolchain/uClibc/patches-0.9.33.2/999-lexra.patch b/toolchain/uClibc/patches-0.9.33.2/999-lexra.patch new file mode 100644 index 000000000..aff55abe6 --- /dev/null +++ b/toolchain/uClibc/patches-0.9.33.2/999-lexra.patch @@ -0,0 +1,76 @@ +Index: uClibc/libc/string/mips/memcpy.S +=================================================================== +--- uClibc.orig/libc/string/mips/memcpy.S ++++ uClibc/libc/string/mips/memcpy.S +@@ -167,10 +167,19 @@ ENTRY (memcpy) + andi t1, 0x3 # a0/a1 are aligned, but are we + beq t1, zero, L(chk8w) # starting in the middle of a word? + subu a2, t1 ++#if 0 + LWHI t0, 0(a1) # Yes we are... take care of that + addu a1, t1 + SWHI t0, 0(a0) + addu a0, t1 ++#else ++4: lbu t2, 0(a1) ++ subu t1, 1 ++ sb t2, 0(a0) ++ addiu a1, 1 ++ bnez t1, 4b ++ addiu a0, 1 ++#endif + + L(chk8w): + andi t0, a2, 0x1f # 32 or more bytes left? +@@ -225,6 +234,7 @@ L(lst8e): + jr ra # Bye, bye + nop + ++#if 0 + L(shift): + subu a3, zero, a0 # Src and Dest unaligned + andi a3, 0x3 # (unoptimized case...) +@@ -248,6 +258,23 @@ L(shfth): + sw t1, -4(a0) + b L(last8) # Handle anything which may be left + move a2, t0 ++#else ++L(shift): ++ beqz a2, L(done) ++ nop ++ ++L(copy_bytes): ++ lbu t0, 0(a1) ++ subu a2, a2, 1 ++ sb t0, 0(a0) ++ addiu a1, a1, 1 ++ bnez a2, L(copy_bytes) ++ addiu a0, a0, 1 ++ ++L(done): ++ jr ra ++ nop ++#endif + + .set reorder + END (memcpy) +Index: uClibc/libc/string/mips/memset.S +=================================================================== +--- uClibc.orig/libc/string/mips/memset.S ++++ uClibc/libc/string/mips/memset.S +@@ -118,8 +118,15 @@ L(ueven): + andi t0, 0x3 + beq t0, zero, L(chkw) + subu a2, t0 ++#if 0 + SWHI a1, 0(a0) # Yes, handle first unaligned part + addu a0, t0 # Now both a0 and a2 are updated ++#else ++ addu t1, a0, t0 ++4: addiu a0, 1 ++ bne t1, a0, 4b ++ sb a1, -1(a0) ++#endif + + L(chkw): + andi t0, a2, 0x7 # Enough left for one loop iteration? |