Date: Sun, 28 Mar 2010 00:33:55 +0000 (UTC) From: Juli Mallett <jmallett@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r205782 - user/jmallett/octeon/sys/mips/mips Message-ID: <201003280033.o2S0XtDT046786@svn.freebsd.org>
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Author: jmallett Date: Sun Mar 28 00:33:55 2010 New Revision: 205782 URL: http://svn.freebsd.org/changeset/base/205782 Log: More PTR_ADDU and PTR_SUBU. Modified: user/jmallett/octeon/sys/mips/mips/support.S Modified: user/jmallett/octeon/sys/mips/mips/support.S ============================================================================== --- user/jmallett/octeon/sys/mips/mips/support.S Sun Mar 28 00:10:09 2010 (r205781) +++ user/jmallett/octeon/sys/mips/mips/support.S Sun Mar 28 00:33:55 2010 (r205782) @@ -745,7 +745,7 @@ LEAF(memcpy) ALEAF(bcopy) ALEAF(ovbcopy) .set noreorder - addu t0, a0, a2 # t0 = end of s1 region + PTR_ADDU t0, a0, a2 # t0 = end of s1 region sltu t1, a1, t0 sltu t2, a0, a1 and t1, t1, t2 # t1 = true if from < to < (from+len) @@ -753,11 +753,11 @@ ALEAF(ovbcopy) slt t2, a2, 12 # check for small copy ble a2, zero, 2f - addu t1, a1, a2 # t1 = end of to region + PTR_ADDU t1, a1, a2 # t1 = end of to region 1: lb v1, -1(t0) # copy bytes backwards, - subu t0, t0, 1 # doesnt happen often so do slow way - subu t1, t1, 1 + PTR_SUBU t0, t0, 1 # doesnt happen often so do slow way + PTR_SUBU t1, t1, 1 bne t0, a0, 1b sb v1, 0(t1) 2: @@ -767,59 +767,59 @@ forward: bne t2, zero, smallcpy # do a small bcopy xor v1, a0, a1 # compare low two bits of addresses and v1, v1, 3 - subu a3, zero, a1 # compute # bytes to word align address + PTR_SUBU a3, zero, a1 # compute # bytes to word align address beq v1, zero, aligned # addresses can be word aligned and a3, a3, 3 beq a3, zero, 1f - subu a2, a2, a3 # subtract from remaining count + PTR_SUBU a2, a2, a3 # subtract from remaining count LWHI v1, 0(a0) # get next 4 bytes (unaligned) LWLO v1, 3(a0) - addu a0, a0, a3 + PTR_ADDU a0, a0, a3 SWHI v1, 0(a1) # store 1, 2, or 3 bytes to align a1 - addu a1, a1, a3 + PTR_ADDU a1, a1, a3 1: and v1, a2, 3 # compute number of words left - subu a3, a2, v1 + PTR_SUBU a3, a2, v1 move a2, v1 - addu a3, a3, a0 # compute ending address + PTR_ADDU a3, a3, a0 # compute ending address 2: LWHI v1, 0(a0) # copy words a0 unaligned, a1 aligned LWLO v1, 3(a0) - addu a0, a0, 4 + PTR_ADDU a0, a0, 4 sw v1, 0(a1) - addu a1, a1, 4 + PTR_ADDU a1, a1, 4 bne a0, a3, 2b nop # We have to do this mmu-bug. b smallcpy nop aligned: beq a3, zero, 1f - subu a2, a2, a3 # subtract from remaining count + PTR_SUBU a2, a2, a3 # subtract from remaining count LWHI v1, 0(a0) # copy 1, 2, or 3 bytes to align - addu a0, a0, a3 + PTR_ADDU a0, a0, a3 SWHI v1, 0(a1) - addu a1, a1, a3 + PTR_ADDU a1, a1, a3 1: and v1, a2, 3 # compute number of whole words left - subu a3, a2, v1 + PTR_SUBU a3, a2, v1 move a2, v1 - addu a3, a3, a0 # compute ending address + PTR_ADDU a3, a3, a0 # compute ending address 2: lw v1, 0(a0) # copy words - addu a0, a0, 4 + PTR_ADDU a0, a0, 4 sw v1, 0(a1) bne a0, a3, 2b - addu a1, a1, 4 + PTR_ADDU a1, a1, 4 smallcpy: ble a2, zero, 2f - addu a3, a2, a0 # compute ending address + PTR_ADDU a3, a2, a0 # compute ending address 1: lbu v1, 0(a0) # copy bytes - addu a0, a0, 1 + PTR_ADDU a0, a0, 1 sb v1, 0(a1) bne a0, a3, 1b - addu a1, a1, 1 # MMU BUG ? can not do -1(a1) at 0x80000000!! + PTR_ADDU a1, a1, 1 # MMU BUG ? can not do -1(a1) at 0x80000000!! 2: j ra nop @@ -839,19 +839,19 @@ LEAF(memset) sll t2, t1, 16 # shift that left 16 or t1, t2, t1 # or together - subu t0, zero, a0 # compute # bytes to word align address + PTR_SUBU t0, zero, a0 # compute # bytes to word align address and t0, t0, 3 beq t0, zero, 1f # skip if word aligned - subu a2, a2, t0 # subtract from remaining count + PTR_SUBU a2, a2, t0 # subtract from remaining count SWHI t1, 0(a0) # store 1, 2, or 3 bytes to align - addu a0, a0, t0 + PTR_ADDU a0, a0, t0 1: and v1, a2, 3 # compute number of whole words left - subu t0, a2, v1 - subu a2, a2, t0 - addu t0, t0, a0 # compute ending address + PTR_SUBU t0, a2, v1 + PTR_SUBU a2, a2, t0 + PTR_ADDU t0, t0, a0 # compute ending address 2: - addu a0, a0, 4 # clear words + PTR_ADDU a0, a0, 4 # clear words #ifdef MIPS3_5900 nop nop @@ -863,9 +863,9 @@ LEAF(memset) memsetsmallclr: ble a2, zero, 2f - addu t0, a2, a0 # compute ending address + PTR_ADDU t0, a2, a0 # compute ending address 1: - addu a0, a0, 1 # clear bytes + PTR_ADDU a0, a0, 1 # clear bytes #ifdef MIPS3_5900 nop nop
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