diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/power7')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/power7/memcmp.S | 26 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/power7/memrchr.S | 2 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/power7/strcasecmp.S | 4 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/power7/strncmp.S | 2 |
4 files changed, 17 insertions, 17 deletions
diff --git a/sysdeps/powerpc/powerpc64/power7/memcmp.S b/sysdeps/powerpc/powerpc64/power7/memcmp.S index 80687f86da..a7caa48946 100644 --- a/sysdeps/powerpc/powerpc64/power7/memcmp.S +++ b/sysdeps/powerpc/powerpc64/power7/memcmp.S @@ -55,7 +55,7 @@ EALIGN (BP_SYM(memcmp),4,0) beq- cr6,L(zeroLength) dcbt 0,rSTR1 dcbt 0,rSTR2 -/* If less than 8 bytes or not aligned, use the unalligned +/* If less than 8 bytes or not aligned, use the unaligned byte loop. */ blt cr1,L(bytealigned) std rWORD8,-8(r1) @@ -64,7 +64,7 @@ EALIGN (BP_SYM(memcmp),4,0) cfi_offset(rWORD7,-16) bne L(unaligned) /* At this point we know both strings have the same alignment and the - compare length is at least 8 bytes. rBITDIF containes the low order + compare length is at least 8 bytes. rBITDIF contains the low order 3 bits of rSTR1 and cr5 contains the result of the logical compare of rBITDIF to 0. If rBITDIF == 0 then we are already double word aligned and can perform the DWaligned loop. @@ -72,7 +72,7 @@ EALIGN (BP_SYM(memcmp),4,0) Otherwise we know the two strings have the same alignment (but not yet DW). So we can force the string addresses to the next lower DW boundary and special case this first DW word using shift left to - ellimiate bits preceeding the first byte. Since we want to join the + eliminate bits preceding the first byte. Since we want to join the normal (DWaligned) compare loop, starting at the second double word, we need to adjust the length (rN) and special case the loop versioning for the first DW. This insures that the loop count is @@ -154,8 +154,8 @@ L(DWaligned): L(dP1): mtctr rTMP /* Normally we'd use rWORD7/rWORD8 here, but since we might exit early - (8-15 byte compare), we want to use only volitile registers. This - means we can avoid restoring non-volitile registers since we did not + (8-15 byte compare), we want to use only volatile registers. This + means we can avoid restoring non-volatile registers since we did not change any on the early exit path. The key here is the non-early exit path only cares about the condition code (cr5), not about which register pair was used. */ @@ -217,7 +217,7 @@ L(dP2e): bne cr5,L(dLcr5) b L(dLoop2) /* Again we are on a early exit path (16-23 byte compare), we want to - only use volitile registers and avoid restoring non-volitile + only use volatile registers and avoid restoring non-volatile registers. */ .align 4 L(dP2x): @@ -258,7 +258,7 @@ L(dP3e): bne cr6,L(dLcr6) b L(dLoop1) /* Again we are on a early exit path (24-31 byte compare), we want to - only use volitile registers and avoid restoring non-volitile + only use volatile registers and avoid restoring non-volatile registers. */ .align 4 L(dP3x): @@ -342,7 +342,7 @@ L(d04): beq L(zeroLength) /* At this point we have a remainder of 1 to 7 bytes to compare. Since we are aligned it is safe to load the whole double word, and use - shift right double to elliminate bits beyond the compare length. */ + shift right double to eliminate bits beyond the compare length. */ L(d00): ld rWORD1,8(rSTR1) ld rWORD2,8(rSTR2) @@ -498,15 +498,15 @@ L(zeroLength): .align 4 /* At this point we know the strings have different alignment and the - compare length is at least 8 bytes. rBITDIF containes the low order + compare length is at least 8 bytes. rBITDIF contains the low order 3 bits of rSTR1 and cr5 contains the result of the logical compare of rBITDIF to 0. If rBITDIF == 0 then rStr1 is double word aligned and can perform the DWunaligned loop. - Otherwise we know that rSTR1 is not aready DW aligned yet. + Otherwise we know that rSTR1 is not already DW aligned yet. So we can force the string addresses to the next lower DW boundary and special case this first DW word using shift left to - ellimiate bits preceeding the first byte. Since we want to join the + eliminate bits preceding the first byte. Since we want to join the normal (DWaligned) compare loop, starting at the second double word, we need to adjust the length (rN) and special case the loop versioning for the first DW. This insures that the loop count is @@ -539,7 +539,7 @@ L(unaligned): clrrdi rSTR2,rSTR2,3 std r26,-48(r1) cfi_offset(r26,-48) -/* Compute the leaft/right shift counts for the unalign rSTR2, +/* Compute the left/right shift counts for the unaligned rSTR2, compensating for the logical (DW aligned) start of rSTR1. */ clrldi rSHL,r27,61 clrrdi rSTR1,rSTR1,3 @@ -878,7 +878,7 @@ L(du14): sldi. rN,rN,3 bne cr5,L(duLcr5) /* At this point we have a remainder of 1 to 7 bytes to compare. We use - shift right double to elliminate bits beyond the compare length. + shift right double to eliminate bits beyond the compare length. This allows the use of double word subtract to compute the final result. diff --git a/sysdeps/powerpc/powerpc64/power7/memrchr.S b/sysdeps/powerpc/powerpc64/power7/memrchr.S index 624d74fd38..d3ffe4c087 100644 --- a/sysdeps/powerpc/powerpc64/power7/memrchr.S +++ b/sysdeps/powerpc/powerpc64/power7/memrchr.S @@ -52,7 +52,7 @@ L(proceed): cmpb r10,r12,r4 /* Check for BYTE in DWORD1. */ sld r10,r10,r0 srd r10,r10,r0 - cmpldi cr7,r10,0 /* If r10 == 0, no BYTE's have been found. */ + cmpldi cr7,r10,0 /* If r10 == 0, no BYTEs have been found. */ bne cr7,L(done) /* Are we done already? */ diff --git a/sysdeps/powerpc/powerpc64/power7/strcasecmp.S b/sysdeps/powerpc/powerpc64/power7/strcasecmp.S index da24588c70..6323154eaa 100644 --- a/sysdeps/powerpc/powerpc64/power7/strcasecmp.S +++ b/sysdeps/powerpc/powerpc64/power7/strcasecmp.S @@ -40,8 +40,8 @@ ENTRY (BP_SYM (__STRCMP)) #define rSTR1 r5 /* 1st string */ #define rSTR2 r4 /* 2nd string */ #define rLOCARG r5 /* 3rd argument: locale_t */ -#define rCHAR1 r6 /* Byte readed from 1st string */ -#define rCHAR2 r7 /* Byte readed from 2nd string */ +#define rCHAR1 r6 /* Byte read from 1st string */ +#define rCHAR2 r7 /* Byte read from 2nd string */ #define rADDR1 r8 /* Address of tolower(rCHAR1) */ #define rADDR2 r12 /* Address of tolower(rCHAR2) */ #define rLWR1 r8 /* Word tolower(rCHAR1) */ diff --git a/sysdeps/powerpc/powerpc64/power7/strncmp.S b/sysdeps/powerpc/powerpc64/power7/strncmp.S index 7aaad4ffe9..25a6baf479 100644 --- a/sysdeps/powerpc/powerpc64/power7/strncmp.S +++ b/sysdeps/powerpc/powerpc64/power7/strncmp.S @@ -56,7 +56,7 @@ EALIGN (BP_SYM(strncmp),5,0) cmpldi cr1,rN,0 lis rFEFE,-0x101 bne L(unaligned) -/* We are doubleword alligned so set up for two loops. first a double word +/* We are doubleword aligned so set up for two loops. first a double word loop, then fall into the byte loop if any residual. */ srdi. rTMP,rN,3 clrldi rN,rN,61 |