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PowerPC: Remove 64 bits instructions in PPC32 code 

This patch replaces the insrdi by insrwi in powerpc32 assembly.
This commit is contained in:
Adhemerval Zanella 2014-05-22 14:48:38 -05:00
parent b60ea6fff5
commit d298c41635
9 changed files with 28 additions and 16 deletions
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12
ChangeLog
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@ -1,3 +1,15 @@
2014-05-26 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/powerpc/powerpc32/power4/memset.S (memset): Replace insrdi
by insrwi.
* sysdeps/powerpc/powerpc32/power6/memset.S (memset): Likewise.
* sysdeps/powerpc/powerpc32/power7/memset.S (memset): Likewise.
* sysdeps/powerpc/powerpc32/power7/memchr.S (memchr): Likewise.
* sysdeps/powerpc/powerpc32/power7/memrchr.S (memrchr): Likewise.
* sysdeps/powerpc/powerpc32/power7/rawmemchr.S (rawmemchr): Likewise.
* sysdeps/powerpc/powerpc32/power7/strchr.S (strchr): Likewise.
* sysdeps/powerpc/powerpc32/power7/strchrnul.S (strchrnul): Likewise.
2014-05-26 Andreas Schwab <schwab@suse.de> 2014-05-26 Andreas Schwab <schwab@suse.de>
[BZ #16984] [BZ #16984]

4
sysdeps/powerpc/powerpc32/power4/memset.S
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@ -50,7 +50,7 @@ L(_memset):
/* Align to word boundary. */ /* Align to word boundary. */
cmplwi cr5, rLEN, 31 cmplwi cr5, rLEN, 31
insrdi rCHR, rCHR, 8, 48 /* Replicate byte to halfword. */ insrwi rCHR, rCHR, 8, 16 /* Replicate byte to halfword. */
beq+ L(aligned) beq+ L(aligned)
mtcrf 0x01, rMEMP0 mtcrf 0x01, rMEMP0
subfic rALIGN, rALIGN, 4 subfic rALIGN, rALIGN, 4
@ -65,7 +65,7 @@ L(g0):
/* Handle the case of size < 31. */ /* Handle the case of size < 31. */
L(aligned): L(aligned):
mtcrf 0x01, rLEN mtcrf 0x01, rLEN
insrdi rCHR, rCHR, 16, 32 /* Replicate halfword to word. */ insrwi rCHR, rCHR, 16, 0 /* Replicate halfword to word. */
ble cr5, L(medium) ble cr5, L(medium)
/* Align to 32-byte boundary. */ /* Align to 32-byte boundary. */
andi. rALIGN, rMEMP, 0x1C andi. rALIGN, rMEMP, 0x1C

4
sysdeps/powerpc/powerpc32/power6/memset.S
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@ -48,7 +48,7 @@ L(_memset):
ble- cr1, L(small) ble- cr1, L(small)
/* Align to word boundary. */ /* Align to word boundary. */
cmplwi cr5, rLEN, 31 cmplwi cr5, rLEN, 31
insrdi rCHR, rCHR, 8, 48 /* Replicate byte to halfword. */ insrwi rCHR, rCHR, 8, 16 /* Replicate byte to halfword. */
beq+ L(aligned) beq+ L(aligned)
mtcrf 0x01, rMEMP0 mtcrf 0x01, rMEMP0
subfic rALIGN, rALIGN, 4 subfic rALIGN, rALIGN, 4
@ -64,7 +64,7 @@ L(g0):
/* Handle the case of size < 31. */ /* Handle the case of size < 31. */
L(aligned): L(aligned):
mtcrf 0x01, rLEN mtcrf 0x01, rLEN
insrdi rCHR, rCHR, 16, 32 /* Replicate halfword to word. */ insrwi rCHR, rCHR, 16, 0 /* Replicate halfword to word. */
ble cr5, L(medium) ble cr5, L(medium)
/* Align to 32-byte boundary. */ /* Align to 32-byte boundary. */
andi. rALIGN, rMEMP, 0x1C andi. rALIGN, rMEMP, 0x1C

4
sysdeps/powerpc/powerpc32/power7/memchr.S
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@ -25,9 +25,9 @@ ENTRY (__memchr)
CALL_MCOUNT CALL_MCOUNT
dcbt 0,r3 dcbt 0,r3
clrrwi r8,r3,2 clrrwi r8,r3,2
insrdi r4,r4,8,48 insrwi r4,r4,8,16 /* Replicate byte to word. */
add r7,r3,r5 /* Calculate the last acceptable address. */ add r7,r3,r5 /* Calculate the last acceptable address. */
insrdi r4,r4,16,32 insrwi r4,r4,16,0
cmplwi r5,16 cmplwi r5,16
li r9, -1 li r9, -1
rlwinm r6,r3,3,27,28 /* Calculate padding. */ rlwinm r6,r3,3,27,28 /* Calculate padding. */

4
sysdeps/powerpc/powerpc32/power7/memrchr.S
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@ -32,8 +32,8 @@ ENTRY (__memrchr)
dcbt r9,r6,16 /* Stream hint, decreasing addresses. */ dcbt r9,r6,16 /* Stream hint, decreasing addresses. */
/* Replicate BYTE to word. */ /* Replicate BYTE to word. */
rldimi r4,r4,8,48 insrwi r4,r4,8,16
rldimi r4,r4,16,32 insrwi r4,r4,16,0
li r6,-4 li r6,-4
li r9,-1 li r9,-1
rlwinm r0,r0,3,27,28 /* Calculate padding. */ rlwinm r0,r0,3,27,28 /* Calculate padding. */

4
sysdeps/powerpc/powerpc32/power7/memset.S
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@ -35,8 +35,8 @@ L(_memset):
cfi_offset(31,-8) cfi_offset(31,-8)
/* Replicate byte to word. */ /* Replicate byte to word. */
insrdi 4,4,8,48 insrwi 4,4,8,16
insrdi 4,4,16,32 insrwi 4,4,16,0
ble cr6,L(small) /* If length <= 8, use short copy code. */ ble cr6,L(small) /* If length <= 8, use short copy code. */

4
sysdeps/powerpc/powerpc32/power7/rawmemchr.S
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@ -27,8 +27,8 @@ ENTRY (__rawmemchr)
clrrwi r8,r3,2 /* Align the address to word boundary. */ clrrwi r8,r3,2 /* Align the address to word boundary. */
/* Replicate byte to word. */ /* Replicate byte to word. */
rldimi r4,r4,8,48 insrwi r4,r4,8,16
rldimi r4,r4,16,32 insrwi r4,r4,16,0
/* Now r4 has a word of c bytes. */ /* Now r4 has a word of c bytes. */

4
sysdeps/powerpc/powerpc32/power7/strchr.S
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@ -35,8 +35,8 @@ ENTRY (strchr)
beq cr7,L(null_match) beq cr7,L(null_match)
/* Replicate byte to word. */ /* Replicate byte to word. */
insrdi r4,r4,8,48 insrwi r4,r4,8,16
insrdi r4,r4,16,32 insrwi r4,r4,16,0
/* Now r4 has a word of c bytes and r0 has /* Now r4 has a word of c bytes and r0 has
a word of null bytes. */ a word of null bytes. */

4
sysdeps/powerpc/powerpc32/power7/strchrnul.S
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@ -27,8 +27,8 @@ ENTRY (__strchrnul)
clrrwi r8,r3,2 /* Align the address to word boundary. */ clrrwi r8,r3,2 /* Align the address to word boundary. */
/* Replicate byte to word. */ /* Replicate byte to word. */
insrdi r4,r4,8,48 insrwi r4,r4,8,16
insrdi r4,r4,16,32 insrwi r4,r4,16,0
rlwinm r6,r3,3,27,28 /* Calculate padding. */ rlwinm r6,r3,3,27,28 /* Calculate padding. */
lwz r12,0(r8) /* Load word from memory. */ lwz r12,0(r8) /* Load word from memory. */