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authorUlrich Drepper <drepper@gmail.com>2011-04-22 21:38:13 -0400
committerUlrich Drepper <drepper@gmail.com>2011-04-22 21:38:13 -0400
commit7a41d99a35ca4c13ad2db1bc3894e1a8ec70721b (patch)
tree9d324bc3400ad38820966e50ca45f0889ec99581 /sysdeps/powerpc/powerpc64
parentded5b9b7c7c0afc7edc520911d76558564638bda (diff)
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Fix whitespaces.
Diffstat (limited to 'sysdeps/powerpc/powerpc64')
-rw-r--r--sysdeps/powerpc/powerpc64/memcpy.S72
-rw-r--r--sysdeps/powerpc/powerpc64/power4/strncmp.S13
-rw-r--r--sysdeps/powerpc/powerpc64/strcmp.S2
-rw-r--r--sysdeps/powerpc/powerpc64/strcpy.S2
4 files changed, 44 insertions, 45 deletions
diff --git a/sysdeps/powerpc/powerpc64/memcpy.S b/sysdeps/powerpc/powerpc64/memcpy.S
index 15869e2ee3..28fc6cf5b4 100644
--- a/sysdeps/powerpc/powerpc64/memcpy.S
+++ b/sysdeps/powerpc/powerpc64/memcpy.S
@@ -24,10 +24,10 @@
 /* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
    Returns 'dst'.
 
-   Memcpy handles short copies (< 32-bytes) using a binary move blocks 
-   (no loops) of lwz/stw.  The tail (remaining 1-3) bytes is handled 
-   with the appropriate combination of byte and halfword load/stores. 
-   There is minimal effort to optimize the alignment of short moves.  
+   Memcpy handles short copies (< 32-bytes) using a binary move blocks
+   (no loops) of lwz/stw.  The tail (remaining 1-3) bytes is handled
+   with the appropriate combination of byte and halfword load/stores.
+   There is minimal effort to optimize the alignment of short moves.
    The 64-bit implementations of POWER3 and POWER4 do a reasonable job
    of handling unligned load/stores that do not cross 32-byte boundries.
 
@@ -49,13 +49,13 @@ EALIGN (BP_SYM (memcpy), 5, 0)
     clrldi 10,4,61	/* check alignement of src.  */
     cmpldi cr6,5,8
     ble-  cr1,.L2	/* If move < 32 bytes use short move code.  */
-    cmpld cr6,10,11     
+    cmpld cr6,10,11
     mr    12,4
     srdi  9,5,3		/* Number of full double words remaining.  */
     mtcrf 0x01,0
     mr    31,5
     beq   .L0
-  
+
     subf  31,0,5
   /* Move 0-7 bytes as needed to get the destination doubleword alligned.  */
 1:  bf    31,2f
@@ -74,17 +74,17 @@ EALIGN (BP_SYM (memcpy), 5, 0)
     stw   6,0(3)
     addi  3,3,4
 0:
-    clrldi 10,12,61	/* check alignement of src again.  */     
+    clrldi 10,12,61	/* check alignement of src again.  */
     srdi  9,31,3	/* Number of full double words remaining.  */
-    
+
   /* Copy doublewords from source to destination, assumpting the
      destination is aligned on a doubleword boundary.
 
      At this point we know there are at least 25 bytes left (32-7) to copy.
-     The next step is to determine if the source is also doubleword aligned. 
+     The next step is to determine if the source is also doubleword aligned.
      If not branch to the unaligned move code at .L6. which uses
      a load, shift, store strategy.
-     
+
      Otherwise source and destination are doubleword aligned, and we can
      the optimized doubleword copy loop.  */
 .L0:
@@ -94,16 +94,16 @@ EALIGN (BP_SYM (memcpy), 5, 0)
 
   /* Move doublewords where destination and source are DW aligned.
      Use a unrolled loop to copy 4 doubleword (32-bytes) per iteration.
-     If the copy is not an exact multiple of 32 bytes, 1-3 
+     If the copy is not an exact multiple of 32 bytes, 1-3
      doublewords are copied as needed to set up the main loop.  After
-     the main loop exits there may be a tail of 1-7 bytes. These byte are 
+     the main loop exits there may be a tail of 1-7 bytes. These byte are
      copied a word/halfword/byte at a time as needed to preserve alignment.  */
 
     srdi  8,31,5
     cmpldi	cr1,9,4
     cmpldi	cr6,11,0
     mr    11,12
-    
+
     bf    30,1f
     ld    6,0(12)
     ld    7,8(12)
@@ -114,7 +114,7 @@ EALIGN (BP_SYM (memcpy), 5, 0)
     addi  10,3,16
     bf    31,4f
     ld    0,16(12)
-    std   0,16(3)    
+    std   0,16(3)
     blt   cr1,3f
     addi  11,12,24
     addi  10,3,24
@@ -128,7 +128,7 @@ EALIGN (BP_SYM (memcpy), 5, 0)
     addi  11,12,8
     std   6,0(3)
     addi  10,3,8
-    
+
     .align  4
 4:
     ld    6,0(11)
@@ -143,7 +143,7 @@ EALIGN (BP_SYM (memcpy), 5, 0)
     std   0,24(10)
     addi  10,10,32
     bdnz  4b
-3:  
+3:
 
     rldicr 0,31,0,60
     mtcrf 0x01,31
@@ -151,7 +151,7 @@ EALIGN (BP_SYM (memcpy), 5, 0)
 .L9:
     add   3,3,0
     add   12,12,0
-    
+
 /*  At this point we have a tail of 0-7 bytes and we know that the
     destiniation is double word aligned.  */
 4:  bf    29,2f
@@ -172,29 +172,29 @@ EALIGN (BP_SYM (memcpy), 5, 0)
     ld 31,-8(1)
     ld 3,-16(1)
     blr
-       
-/* Copy up to 31 bytes.  This divided into two cases 0-8 bytes and 9-31 
-   bytes.  Each case is handled without loops, using binary (1,2,4,8) 
-   tests.  
-   
+
+/* Copy up to 31 bytes.  This divided into two cases 0-8 bytes and 9-31
+   bytes.  Each case is handled without loops, using binary (1,2,4,8)
+   tests.
+
    In the short (0-8 byte) case no attempt is made to force alignment
-   of either source or destination.  The hardware will handle the 
-   unaligned load/stores with small delays for crossing 32- 64-byte, and 
+   of either source or destination.  The hardware will handle the
+   unaligned load/stores with small delays for crossing 32- 64-byte, and
    4096-byte boundaries. Since these short moves are unlikely to be
-   unaligned or cross these boundaries, the overhead to force 
+   unaligned or cross these boundaries, the overhead to force
    alignment is not justified.
-   
+
    The longer (9-31 byte) move is more likely to cross 32- or 64-byte
    boundaries.  Since only loads are sensitive to the 32-/64-byte
-   boundaries it is more important to align the source then the 
+   boundaries it is more important to align the source then the
    destination.  If the source is not already word aligned, we first
-   move 1-3 bytes as needed.  Since we are only word aligned we don't 
-   use double word load/stores to insure that all loads are aligned. 
+   move 1-3 bytes as needed.  Since we are only word aligned we don't
+   use double word load/stores to insure that all loads are aligned.
    While the destination and stores may still be unaligned, this
    is only an issue for page (4096 byte boundary) crossing, which
    should be rare for these short moves.  The hardware handles this
-   case automatically with a small delay.  */ 
-   
+   case automatically with a small delay.  */
+
     .align  4
 .L2:
     mtcrf 0x01,5
@@ -257,11 +257,11 @@ EALIGN (BP_SYM (memcpy), 5, 0)
     lwz   6,0(12)
     addi  12,12,4
     stw   6,0(3)
-    addi  3,3,4    
+    addi  3,3,4
 2:  /* Move 2-3 bytes.  */
     bf    30,1f
     lhz   6,0(12)
-    sth   6,0(3) 
+    sth   6,0(3)
     bf    31,0f
     lbz   7,2(12)
     stb   7,2(3)
@@ -282,7 +282,7 @@ EALIGN (BP_SYM (memcpy), 5, 0)
     mr    12,4
     bne   cr6,4f
 /* Would have liked to use use ld/std here but the 630 processors are
-   slow for load/store doubles that are not at least word aligned.  
+   slow for load/store doubles that are not at least word aligned.
    Unaligned Load/Store word execute with only a 1 cycle penaltity.  */
     lwz   6,0(4)
     lwz   7,4(4)
@@ -298,14 +298,14 @@ EALIGN (BP_SYM (memcpy), 5, 0)
 6:
     bf    30,5f
     lhz   7,4(4)
-    sth   7,4(3) 
+    sth   7,4(3)
     bf    31,0f
     lbz   8,6(4)
     stb   8,6(3)
     ld 3,-16(1)
     blr
     .align  4
-5:  
+5:
     bf    31,0f
     lbz   6,4(4)
     stb   6,4(3)
diff --git a/sysdeps/powerpc/powerpc64/power4/strncmp.S b/sysdeps/powerpc/powerpc64/power4/strncmp.S
index da358e1e53..5ca53cc16a 100644
--- a/sysdeps/powerpc/powerpc64/power4/strncmp.S
+++ b/sysdeps/powerpc/powerpc64/power4/strncmp.S
@@ -34,7 +34,7 @@ EALIGN (BP_SYM(strncmp), 4, 0)
 #define rSTR2	r4	/* second string arg */
 #define rN	r5	/* max string length */
 /* Note:  The Bounded pointer support in this code is broken.  This code
-   was inherited from PPC32 and that support was never completed.  
+   was inherited from PPC32 and that support was never completed.
    Current PPC gcc does not support -fbounds-check or -fbounded-pointers.  */
 #define rWORD1	r6	/* current word in s1 */
 #define rWORD2	r7	/* current word in s2 */
@@ -59,7 +59,7 @@ EALIGN (BP_SYM(strncmp), 4, 0)
 	clrldi	rN, rN, 61
 	addi	rFEFE, rFEFE, -0x101
 	addi	r7F7F, r7F7F, 0x7f7f
-	cmpldi	cr1, rN, 0	
+	cmpldi	cr1, rN, 0
 	beq	L(unaligned)
 
 	mtctr	rTMP	/* Power4 wants mtctr 1st in dispatch group.  */
@@ -70,7 +70,7 @@ EALIGN (BP_SYM(strncmp), 4, 0)
 	add	rFEFE, rFEFE, rTMP
 	b	L(g1)
 
-L(g0):	
+L(g0):
 	ldu	rWORD1, 8(rSTR1)
 	bne-	cr1, L(different)
 	ldu	rWORD2, 8(rSTR2)
@@ -80,11 +80,11 @@ L(g1):	add	rTMP, rFEFE, rWORD1
 	and.	rTMP, rTMP, rNEG
 	cmpd	cr1, rWORD1, rWORD2
 	beq+	L(g0)
-	
+
 /* OK. We've hit the end of the string. We need to be careful that
    we don't compare two strings as different because of gunk beyond
    the end of the strings...  */
-	
+
 L(endstring):
 	and	rTMP, r7F7F, rWORD1
 	beq	cr1, L(equal)
@@ -170,7 +170,7 @@ L(u1):
 	b       L(u1)
 
 L(u3):  sub     rRTN, rWORD3, rWORD4
-        blr
+	blr
 L(u4):	sub	rRTN, rWORD1, rWORD2
 	blr
 L(ux):
@@ -178,4 +178,3 @@ L(ux):
 	blr
 END (BP_SYM (strncmp))
 libc_hidden_builtin_def (strncmp)
-
diff --git a/sysdeps/powerpc/powerpc64/strcmp.S b/sysdeps/powerpc/powerpc64/strcmp.S
index 06cc2cfe42..53d82e3721 100644
--- a/sysdeps/powerpc/powerpc64/strcmp.S
+++ b/sysdeps/powerpc/powerpc64/strcmp.S
@@ -33,7 +33,7 @@ EALIGN (BP_SYM(strcmp), 4, 0)
 #define rSTR1	r3	/* first string arg */
 #define rSTR2	r4	/* second string arg */
 /* Note:  The Bounded pointer support in this code is broken.  This code
-   was inherited from PPC32 and that support was never completed.  
+   was inherited from PPC32 and that support was never completed.
    Current PPC gcc does not support -fbounds-check or -fbounded-pointers.
    These artifacts are left in the code as a reminder in case we need
    bounded pointer support in the future.  */
diff --git a/sysdeps/powerpc/powerpc64/strcpy.S b/sysdeps/powerpc/powerpc64/strcpy.S
index e57eeb30cf..17653b29c7 100644
--- a/sysdeps/powerpc/powerpc64/strcpy.S
+++ b/sysdeps/powerpc/powerpc64/strcpy.S
@@ -31,7 +31,7 @@ EALIGN (BP_SYM (strcpy), 4, 0)
 #define rTMP	r0
 #define rRTN	r3	/* incoming DEST arg preserved as result */
 /* Note.  The Bounded pointer support in this code is broken.  This code
-   was inherited from PPC32 and that support was never completed.  
+   was inherited from PPC32 and that support was never completed.
    Current PPC gcc does not support -fbounds-check or -fbounded-pointers.
    These artifacts are left in the code as a reminder in case we need
    bounded pointer support in the future.  */