diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/power7/memcmp.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/power7/memcmp.S | 870 |
1 files changed, 282 insertions, 588 deletions
diff --git a/sysdeps/powerpc/powerpc64/power7/memcmp.S b/sysdeps/powerpc/powerpc64/power7/memcmp.S index 09bff696ff..98b9e54ea9 100644 --- a/sysdeps/powerpc/powerpc64/power7/memcmp.S +++ b/sysdeps/powerpc/powerpc64/power7/memcmp.S @@ -26,18 +26,48 @@ EALIGN (memcmp, 4, 0) CALL_MCOUNT 3 -#define rRTN r3 -#define rSTR1 r3 /* first string arg */ -#define rSTR2 r4 /* second string arg */ -#define rN r5 /* max string length */ -#define rWORD1 r6 /* current word in s1 */ -#define rWORD2 r7 /* current word in s2 */ -#define rWORD3 r8 /* next word in s1 */ -#define rWORD4 r9 /* next word in s2 */ -#define rWORD5 r10 /* next word in s1 */ -#define rWORD6 r11 /* next word in s2 */ -#define rWORD7 r30 /* next word in s1 */ -#define rWORD8 r31 /* next word in s2 */ +#define rRTN r3 +#define rSTR1 r3 /* first string arg */ +#define rSTR2 r4 /* second string arg */ +#define rN r5 /* max string length */ +#define rWORD1 r6 /* current word in s1 */ +#define rWORD2 r7 /* current word in s2 */ +#define rWORD3 r8 /* next word in s1 */ +#define rWORD4 r9 /* next word in s2 */ +#define rWORD5 r10 /* next word in s1 */ +#define rWORD6 r11 /* next word in s2 */ + +#define rOFF8 r20 /* 8 bytes offset. */ +#define rOFF16 r21 /* 16 bytes offset. */ +#define rOFF24 r22 /* 24 bytes offset. */ +#define rOFF32 r23 /* 24 bytes offset. */ +#define rWORD6_SHIFT r24 /* Left rotation temp for rWORD8. */ +#define rWORD4_SHIFT r25 /* Left rotation temp for rWORD6. */ +#define rWORD2_SHIFT r26 /* Left rotation temp for rWORD4. */ +#define rWORD8_SHIFT r27 /* Left rotation temp for rWORD2. */ +#define rSHR r28 /* Unaligned shift right count. */ +#define rSHL r29 /* Unaligned shift left count. */ +#define rWORD7 r30 /* next word in s1 */ +#define rWORD8 r31 /* next word in s2 */ + +#define rWORD8SAVE (-8) +#define rWORD7SAVE (-16) +#define rOFF8SAVE (-24) +#define rOFF16SAVE (-32) +#define rOFF24SAVE (-40) +#define rOFF32SAVE (-48) +#define rSHRSAVE (-56) +#define rSHLSAVE (-64) +#define rWORD8SHIFTSAVE (-72) +#define rWORD2SHIFTSAVE (-80) +#define rWORD4SHIFTSAVE (-88) +#define rWORD6SHIFTSAVE (-96) + +#ifdef __LITTLE_ENDIAN__ +# define LD ldbrx +#else +# define LD ldx +#endif xor r0, rSTR2, rSTR1 cmpldi cr6, rN, 0 @@ -51,10 +81,24 @@ EALIGN (memcmp, 4, 0) /* If less than 8 bytes or not aligned, use the unaligned byte loop. */ blt cr1, L(bytealigned) - std rWORD8, -8(r1) - cfi_offset(rWORD8, -8) - std rWORD7, -16(r1) - cfi_offset(rWORD7, -16) + std rWORD8, rWORD8SAVE(r1) + cfi_offset(rWORD8, rWORD8SAVE) + std rWORD7, rWORD7SAVE(r1) + cfi_offset(rWORD7, rWORD7SAVE) + std rOFF8, rOFF8SAVE(r1) + cfi_offset(rWORD7, rOFF8SAVE) + std rOFF16, rOFF16SAVE(r1) + cfi_offset(rWORD7, rOFF16SAVE) + std rOFF24, rOFF24SAVE(r1) + cfi_offset(rWORD7, rOFF24SAVE) + std rOFF32, rOFF32SAVE(r1) + cfi_offset(rWORD7, rOFF32SAVE) + + li rOFF8,8 + li rOFF16,16 + li rOFF24,24 + li rOFF32,32 + bne L(unaligned) /* At this point we know both strings have the same alignment and the compare length is at least 8 bytes. r12 contains the low order @@ -79,15 +123,8 @@ L(samealignment): sldi rWORD6, r12, 3 srdi r0, rN, 5 /* Divide by 32 */ andi. r12, rN, 24 /* Get the DW remainder */ -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 0(rSTR1) - ld rWORD2, 0(rSTR2) -#endif + LD rWORD1, 0, rSTR1 + LD rWORD2, 0, rSTR2 cmpldi cr1, r12, 16 cmpldi cr7, rN, 32 clrldi rN, rN, 61 @@ -104,15 +141,8 @@ L(dsP1): cmpld cr5, rWORD5, rWORD6 blt cr7, L(dP1x) /* Do something useful in this cycle since we have to branch anyway. */ -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 8(rSTR1) - ld rWORD2, 8(rSTR2) -#endif + LD rWORD1, rOFF8, rSTR1 + LD rWORD2, rOFF8, rSTR2 cmpld cr7, rWORD1, rWORD2 b L(dP1e) /* Remainder is 16 */ @@ -123,15 +153,8 @@ L(dPs2): cmpld cr6, rWORD5, rWORD6 blt cr7, L(dP2x) /* Do something useful in this cycle since we have to branch anyway. */ -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD7, 0, rSTR1 - ldbrx rWORD8, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD7, 8(rSTR1) - ld rWORD8, 8(rSTR2) -#endif + LD rWORD7, rOFF8, rSTR1 + LD rWORD8, rOFF8, rSTR2 cmpld cr5, rWORD7, rWORD8 b L(dP2e) /* Remainder is 24 */ @@ -173,72 +196,43 @@ L(dP1): 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. */ -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD5, 0, rSTR1 - ldbrx rWORD6, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD5, 0(rSTR1) - ld rWORD6, 0(rSTR2) -#endif + LD rWORD5, 0, rSTR1 + LD rWORD6, 0, rSTR2 cmpld cr5, rWORD5, rWORD6 blt cr7, L(dP1x) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 8(rSTR1) - ld rWORD2, 8(rSTR2) -#endif + LD rWORD1, rOFF8, rSTR1 + LD rWORD2, rOFF8, rSTR2 cmpld cr7, rWORD1, rWORD2 L(dP1e): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD3, 0, rSTR1 - ldbrx rWORD4, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD3, 16(rSTR1) - ld rWORD4, 16(rSTR2) -#endif + LD rWORD3, rOFF16, rSTR1 + LD rWORD4, rOFF16, rSTR2 cmpld cr1, rWORD3, rWORD4 -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD5, 0, rSTR1 - ldbrx rWORD6, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD5, 24(rSTR1) - ld rWORD6, 24(rSTR2) -#endif + LD rWORD5, rOFF24, rSTR1 + LD rWORD6, rOFF24, rSTR2 cmpld cr6, rWORD5, rWORD6 bne cr5, L(dLcr5x) bne cr7, L(dLcr7x) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD7, 0, rSTR1 - ldbrx rWORD8, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ldu rWORD7, 32(rSTR1) - ldu rWORD8, 32(rSTR2) -#endif + LD rWORD7, rOFF32, rSTR1 + LD rWORD8, rOFF32, rSTR2 + addi rSTR1, rSTR1, 32 + addi rSTR2, rSTR2, 32 bne cr1, L(dLcr1) cmpld cr5, rWORD7, rWORD8 bdnz L(dLoop) bne cr6, L(dLcr6) - ld rWORD8, -8(r1) - ld rWORD7, -16(r1) + ld rWORD8, rWORD8SAVE(r1) + ld rWORD7, rWORD7SAVE(r1) .align 3 L(dP1x): sldi. r12, rN, 3 bne cr5, L(dLcr5x) subfic rN, r12, 64 /* Shift count is 64 - (rN * 8). */ bne L(d00) + ld rOFF8, rOFF8SAVE(r1) + ld rOFF16, rOFF16SAVE(r1) + ld rOFF24, rOFF24SAVE(r1) + ld rOFF32, rOFF32SAVE(r1) li rRTN, 0 blr @@ -246,79 +240,41 @@ L(dP1x): .align 4 L(dP2): mtctr r0 -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD5, 0, rSTR1 - ldbrx rWORD6, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD5, 0(rSTR1) - ld rWORD6, 0(rSTR2) -#endif + LD rWORD5, 0, rSTR1 + LD rWORD6, 0, rSTR2 cmpld cr6, rWORD5, rWORD6 blt cr7, L(dP2x) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD7, 0, rSTR1 - ldbrx rWORD8, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD7, 8(rSTR1) - ld rWORD8, 8(rSTR2) -#endif + LD rWORD7, rOFF8, rSTR1 + LD rWORD8, rOFF8, rSTR2 cmpld cr5, rWORD7, rWORD8 L(dP2e): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 16(rSTR1) - ld rWORD2, 16(rSTR2) -#endif + LD rWORD1, rOFF16, rSTR1 + LD rWORD2, rOFF16, rSTR2 cmpld cr7, rWORD1, rWORD2 -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD3, 0, rSTR1 - ldbrx rWORD4, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD3, 24(rSTR1) - ld rWORD4, 24(rSTR2) -#endif + LD rWORD3, rOFF24, rSTR1 + LD rWORD4, rOFF24, rSTR2 cmpld cr1, rWORD3, rWORD4 -#ifndef __LITTLE_ENDIAN__ addi rSTR1, rSTR1, 8 addi rSTR2, rSTR2, 8 -#endif bne cr6, L(dLcr6) bne cr5, L(dLcr5) b L(dLoop2) -/* Again we are on a early exit path (16-23 byte compare), we want to - only use volatile registers and avoid restoring non-volatile - registers. */ .align 4 L(dP2x): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD3, 0, rSTR1 - ldbrx rWORD4, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD3, 8(rSTR1) - ld rWORD4, 8(rSTR2) -#endif + LD rWORD3, rOFF8, rSTR1 + LD rWORD4, rOFF8, rSTR2 cmpld cr1, rWORD3, rWORD4 sldi. r12, rN, 3 bne cr6, L(dLcr6x) -#ifndef __LITTLE_ENDIAN__ addi rSTR1, rSTR1, 8 addi rSTR2, rSTR2, 8 -#endif bne cr1, L(dLcr1x) subfic rN, r12, 64 /* Shift count is 64 - (rN * 8). */ bne L(d00) + ld rOFF8, rOFF8SAVE(r1) + ld rOFF16, rOFF16SAVE(r1) + ld rOFF24, rOFF24SAVE(r1) + ld rOFF32, rOFF32SAVE(r1) li rRTN, 0 blr @@ -326,52 +282,22 @@ L(dP2x): .align 4 L(dP3): mtctr r0 -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD3, 0, rSTR1 - ldbrx rWORD4, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD3, 0(rSTR1) - ld rWORD4, 0(rSTR2) -#endif + LD rWORD3, 0, rSTR1 + LD rWORD4, 0, rSTR2 cmpld cr1, rWORD3, rWORD4 L(dP3e): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD5, 0, rSTR1 - ldbrx rWORD6, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD5, 8(rSTR1) - ld rWORD6, 8(rSTR2) -#endif + LD rWORD5, rOFF8, rSTR1 + LD rWORD6, rOFF8, rSTR2 cmpld cr6, rWORD5, rWORD6 blt cr7, L(dP3x) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD7, 0, rSTR1 - ldbrx rWORD8, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD7, 16(rSTR1) - ld rWORD8, 16(rSTR2) -#endif + LD rWORD7, rOFF16, rSTR1 + LD rWORD8, rOFF16, rSTR2 cmpld cr5, rWORD7, rWORD8 -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 24(rSTR1) - ld rWORD2, 24(rSTR2) -#endif + LD rWORD1, rOFF24, rSTR1 + LD rWORD2, rOFF24, rSTR2 cmpld cr7, rWORD1, rWORD2 -#ifndef __LITTLE_ENDIAN__ addi rSTR1, rSTR1, 16 addi rSTR2, rSTR2, 16 -#endif bne cr1, L(dLcr1) bne cr6, L(dLcr6) b L(dLoop1) @@ -380,26 +306,21 @@ L(dP3e): registers. */ .align 4 L(dP3x): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 16(rSTR1) - ld rWORD2, 16(rSTR2) -#endif + LD rWORD1, rOFF16, rSTR1 + LD rWORD2, rOFF16, rSTR2 cmpld cr7, rWORD1, rWORD2 sldi. r12, rN, 3 bne cr1, L(dLcr1x) -#ifndef __LITTLE_ENDIAN__ addi rSTR1, rSTR1, 16 addi rSTR2, rSTR2, 16 -#endif bne cr6, L(dLcr6x) subfic rN, r12, 64 /* Shift count is 64 - (rN * 8). */ bne cr7, L(dLcr7x) bne L(d00) + ld rOFF8, rOFF8SAVE(r1) + ld rOFF16, rOFF16SAVE(r1) + ld rOFF24, rOFF24SAVE(r1) + ld rOFF32, rOFF32SAVE(r1) li rRTN, 0 blr @@ -407,46 +328,20 @@ L(dP3x): .align 4 L(dP4): mtctr r0 -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 0(rSTR1) - ld rWORD2, 0(rSTR2) -#endif + LD rWORD1, 0, rSTR1 + LD rWORD2, 0, rSTR2 cmpld cr7, rWORD1, rWORD2 L(dP4e): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD3, 0, rSTR1 - ldbrx rWORD4, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD3, 8(rSTR1) - ld rWORD4, 8(rSTR2) -#endif + LD rWORD3, rOFF8, rSTR1 + LD rWORD4, rOFF8, rSTR2 cmpld cr1, rWORD3, rWORD4 -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD5, 0, rSTR1 - ldbrx rWORD6, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD5, 16(rSTR1) - ld rWORD6, 16(rSTR2) -#endif + LD rWORD5, rOFF16, rSTR1 + LD rWORD6, rOFF16, rSTR2 cmpld cr6, rWORD5, rWORD6 -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD7, 0, rSTR1 - ldbrx rWORD8, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ldu rWORD7, 24(rSTR1) - ldu rWORD8, 24(rSTR2) -#endif + LD rWORD7, rOFF24, rSTR1 + LD rWORD8, rOFF24, rSTR2 + addi rSTR1, rSTR1, 24 + addi rSTR2, rSTR2, 24 cmpld cr5, rWORD7, rWORD8 bne cr7, L(dLcr7) bne cr1, L(dLcr1) @@ -454,51 +349,25 @@ L(dP4e): /* This is the primary loop */ .align 4 L(dLoop): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 8(rSTR1) - ld rWORD2, 8(rSTR2) -#endif + LD rWORD1, rOFF8, rSTR1 + LD rWORD2, rOFF8, rSTR2 cmpld cr1, rWORD3, rWORD4 bne cr6, L(dLcr6) L(dLoop1): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD3, 0, rSTR1 - ldbrx rWORD4, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD3, 16(rSTR1) - ld rWORD4, 16(rSTR2) -#endif + LD rWORD3, rOFF16, rSTR1 + LD rWORD4, rOFF16, rSTR2 cmpld cr6, rWORD5, rWORD6 bne cr5, L(dLcr5) L(dLoop2): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD5, 0, rSTR1 - ldbrx rWORD6, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD5, 24(rSTR1) - ld rWORD6, 24(rSTR2) -#endif + LD rWORD5, rOFF24, rSTR1 + LD rWORD6, rOFF24, rSTR2 cmpld cr5, rWORD7, rWORD8 bne cr7, L(dLcr7) L(dLoop3): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD7, 0, rSTR1 - ldbrx rWORD8, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ldu rWORD7, 32(rSTR1) - ldu rWORD8, 32(rSTR2) -#endif + LD rWORD7, rOFF32, rSTR1 + LD rWORD8, rOFF32, rSTR2 + addi rSTR1, rSTR1, 32 + addi rSTR2, rSTR2, 32 bne cr1, L(dLcr1) cmpld cr7, rWORD1, rWORD2 bdnz L(dLoop) @@ -519,62 +388,75 @@ L(d14): sldi. r12, rN, 3 bne cr5, L(dLcr5) L(d04): - ld rWORD8, -8(r1) - ld rWORD7, -16(r1) + ld rWORD8, rWORD8SAVE(r1) + ld rWORD7, rWORD7SAVE(r1) subfic rN, r12, 64 /* Shift count is 64 - (rN * 8). */ - beq L(zeroLength) + beq L(duzeroLength) /* 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 eliminate bits beyond the compare length. */ L(d00): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 8(rSTR1) - ld rWORD2, 8(rSTR2) -#endif + LD rWORD1, rOFF8, rSTR1 + LD rWORD2, rOFF8, rSTR2 srd rWORD1, rWORD1, rN srd rWORD2, rWORD2, rN cmpld cr7, rWORD1, rWORD2 bne cr7, L(dLcr7x) + ld rOFF8, rOFF8SAVE(r1) + ld rOFF16, rOFF16SAVE(r1) + ld rOFF24, rOFF24SAVE(r1) + ld rOFF32, rOFF32SAVE(r1) li rRTN, 0 blr .align 4 L(dLcr7): - ld rWORD8, -8(r1) - ld rWORD7, -16(r1) + ld rWORD8, rWORD8SAVE(r1) + ld rWORD7, rWORD7SAVE(r1) L(dLcr7x): + ld rOFF8, rOFF8SAVE(r1) + ld rOFF16, rOFF16SAVE(r1) + ld rOFF24, rOFF24SAVE(r1) + ld rOFF32, rOFF32SAVE(r1) li rRTN, 1 bgtlr cr7 li rRTN, -1 blr .align 4 L(dLcr1): - ld rWORD8, -8(r1) - ld rWORD7, -16(r1) + ld rWORD8, rWORD8SAVE(r1) + ld rWORD7, rWORD7SAVE(r1) L(dLcr1x): + ld rOFF8, rOFF8SAVE(r1) + ld rOFF16, rOFF16SAVE(r1) + ld rOFF24, rOFF24SAVE(r1) + ld rOFF32, rOFF32SAVE(r1) li rRTN, 1 bgtlr cr1 li rRTN, -1 blr .align 4 L(dLcr6): - ld rWORD8, -8(r1) - ld rWORD7, -16(r1) + ld rWORD8, rWORD8SAVE(r1) + ld rWORD7, rWORD7SAVE(r1) L(dLcr6x): + ld rOFF8, rOFF8SAVE(r1) + ld rOFF16, rOFF16SAVE(r1) + ld rOFF24, rOFF24SAVE(r1) + ld rOFF32, rOFF32SAVE(r1) li rRTN, 1 bgtlr cr6 li rRTN, -1 blr .align 4 L(dLcr5): - ld rWORD8, -8(r1) - ld rWORD7, -16(r1) + ld rWORD8, rWORD8SAVE(r1) + ld rWORD7, rWORD7SAVE(r1) L(dLcr5x): + ld rOFF8, rOFF8SAVE(r1) + ld rOFF16, rOFF16SAVE(r1) + ld rOFF24, rOFF24SAVE(r1) + ld rOFF32, rOFF32SAVE(r1) li rRTN, 1 bgtlr cr5 li rRTN, -1 @@ -583,10 +465,6 @@ L(dLcr5x): .align 4 L(bytealigned): mtctr rN -#if 0 -/* Huh? We've already branched on cr6! */ - beq cr6, L(zeroLength) -#endif /* We need to prime this loop. This loop is swing modulo scheduled to avoid pipe delays. The dependent instruction latencies (load to @@ -685,6 +563,7 @@ L(b11): L(bx12): sub rRTN, rWORD1, rWORD2 blr + .align 4 L(zeroLength): li rRTN, 0 @@ -705,42 +584,36 @@ L(zeroLength): we need to adjust the length (rN) and special case the loop versioning for the first DW. This ensures that the loop count is correct and the first DW (shifted) is in the expected resister pair. */ -#define rSHL r29 /* Unaligned shift left count. */ -#define rSHR r28 /* Unaligned shift right count. */ -#define rWORD8_SHIFT r27 /* Left rotation temp for rWORD2. */ -#define rWORD2_SHIFT r26 /* Left rotation temp for rWORD4. */ -#define rWORD4_SHIFT r25 /* Left rotation temp for rWORD6. */ -#define rWORD6_SHIFT r24 /* Left rotation temp for rWORD8. */ L(unaligned): - std rSHL, -24(r1) - cfi_offset(rSHL, -24) + std rSHL, rSHLSAVE(r1) + cfi_offset(rSHL, rSHLSAVE) clrldi rSHL, rSTR2, 61 beq cr6, L(duzeroLength) - std rSHR, -32(r1) - cfi_offset(rSHR, -32) + std rSHR, rSHRSAVE(r1) + cfi_offset(rSHR, rSHRSAVE) beq cr5, L(DWunaligned) - std rWORD8_SHIFT, -40(r1) - cfi_offset(rWORD8_SHIFT, -40) + std rWORD8_SHIFT, rWORD8SHIFTSAVE(r1) + cfi_offset(rWORD8_SHIFT, rWORD8SHIFTSAVE) /* Adjust the logical start of rSTR2 to compensate for the extra bits in the 1st rSTR1 DW. */ sub rWORD8_SHIFT, rSTR2, r12 /* But do not attempt to address the DW before that DW that contains the actual start of rSTR2. */ clrrdi rSTR2, rSTR2, 3 - std rWORD2_SHIFT, -48(r1) - cfi_offset(rWORD2_SHIFT, -48) + std rWORD2_SHIFT, rWORD2SHIFTSAVE(r1) + cfi_offset(rWORD2_SHIFT, rWORD2SHIFTSAVE) /* Compute the left/right shift counts for the unaligned rSTR2, compensating for the logical (DW aligned) start of rSTR1. */ clrldi rSHL, rWORD8_SHIFT, 61 clrrdi rSTR1, rSTR1, 3 - std rWORD4_SHIFT, -56(r1) - cfi_offset(rWORD4_SHIFT, -56) + std rWORD4_SHIFT, rWORD4SHIFTSAVE(r1) + cfi_offset(rWORD4_SHIFT, rWORD4SHIFTSAVE) sldi rSHL, rSHL, 3 cmpld cr5, rWORD8_SHIFT, rSTR2 add rN, rN, r12 sldi rWORD6, r12, 3 - std rWORD6_SHIFT, -64(r1) - cfi_offset(rWORD6_SHIFT, -64) + std rWORD6_SHIFT, rWORD6SHIFTSAVE(r1) + cfi_offset(rWORD6_SHIFT, rWORD6SHIFTSAVE) subfic rSHR, rSHL, 64 srdi r0, rN, 5 /* Divide by 32 */ andi. r12, rN, 24 /* Get the DW remainder */ @@ -750,25 +623,13 @@ L(unaligned): this may cross a page boundary and cause a page fault. */ li rWORD8, 0 blt cr5, L(dus0) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD8, 0, rSTR2 + LD rWORD8, 0, rSTR2 addi rSTR2, rSTR2, 8 -#else - ld rWORD8, 0(rSTR2) - addi rSTR2, rSTR2, 8 -#endif sld rWORD8, rWORD8, rSHL L(dus0): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 0(rSTR1) - ld rWORD2, 0(rSTR2) -#endif + LD rWORD1, 0, rSTR1 + LD rWORD2, 0, rSTR2 cmpldi cr1, r12, 16 cmpldi cr7, rN, 32 srd r12, rWORD2, rSHR @@ -796,12 +657,7 @@ L(dusP1): beq L(duZeroReturn) li r0, 0 ble cr7, L(dutrim) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD2, 0, rSTR2 - addi rSTR2, rSTR2, 8 -#else - ld rWORD2, 8(rSTR2) -#endif + LD rWORD2, rOFF8, rSTR2 srd r0, rWORD2, rSHR b L(dutrim) /* Remainder is 16 */ @@ -832,27 +688,21 @@ L(duPs4): compare length is at least 8 bytes. */ .align 4 L(DWunaligned): - std rWORD8_SHIFT, -40(r1) - cfi_offset(rWORD8_SHIFT, -40) + std rWORD8_SHIFT, rWORD8SHIFTSAVE(r1) + cfi_offset(rWORD8_SHIFT, rWORD8SHIFTSAVE) clrrdi rSTR2, rSTR2, 3 - std rWORD2_SHIFT, -48(r1) - cfi_offset(rWORD2_SHIFT, -48) + std rWORD2_SHIFT, rWORD2SHIFTSAVE(r1) + cfi_offset(rWORD2_SHIFT, rWORD2SHIFTSAVE) srdi r0, rN, 5 /* Divide by 32 */ - std rWORD4_SHIFT, -56(r1) - cfi_offset(rWORD4_SHIFT, -56) + std rWORD4_SHIFT, rWORD4SHIFTSAVE(r1) + cfi_offset(rWORD4_SHIFT, rWORD4SHIFTSAVE) andi. r12, rN, 24 /* Get the DW remainder */ - std rWORD6_SHIFT, -64(r1) - cfi_offset(rWORD6_SHIFT, -64) + std rWORD6_SHIFT, rWORD6SHIFTSAVE(r1) + cfi_offset(rWORD6_SHIFT, rWORD6SHIFTSAVE) sldi rSHL, rSHL, 3 -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD6, 0, rSTR2 + LD rWORD6, 0, rSTR2 + LD rWORD8, rOFF8, rSTR2 addi rSTR2, rSTR2, 8 - ldbrx rWORD8, 0, rSTR2 - addi rSTR2, rSTR2, 8 -#else - ld rWORD6, 0(rSTR2) - ldu rWORD8, 8(rSTR2) -#endif cmpldi cr1, r12, 16 cmpldi cr7, rN, 32 clrldi rN, rN, 61 @@ -867,52 +717,26 @@ L(DWunaligned): .align 4 L(duP1): srd r12, rWORD8, rSHR -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD7, 0, rSTR1 - addi rSTR1, rSTR1, 8 -#else - ld rWORD7, 0(rSTR1) -#endif + LD rWORD7, 0, rSTR1 sld rWORD8_SHIFT, rWORD8, rSHL or rWORD8, r12, rWORD6_SHIFT blt cr7, L(duP1x) L(duP1e): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 8(rSTR1) - ld rWORD2, 8(rSTR2) -#endif + LD rWORD1, rOFF8, rSTR1 + LD rWORD2, rOFF8, rSTR2 cmpld cr5, rWORD7, rWORD8 srd r0, rWORD2, rSHR sld rWORD2_SHIFT, rWORD2, rSHL or rWORD2, r0, rWORD8_SHIFT -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD3, 0, rSTR1 - ldbrx rWORD4, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD3, 16(rSTR1) - ld rWORD4, 16(rSTR2) -#endif + LD rWORD3, rOFF16, rSTR1 + LD rWORD4, rOFF16, rSTR2 cmpld cr7, rWORD1, rWORD2 srd r12, rWORD4, rSHR sld rWORD4_SHIFT, rWORD4, rSHL bne cr5, L(duLcr5) or rWORD4, r12, rWORD2_SHIFT -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD5, 0, rSTR1 - ldbrx rWORD6, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD5, 24(rSTR1) - ld rWORD6, 24(rSTR2) -#endif + LD rWORD5, rOFF24, rSTR1 + LD rWORD6, rOFF24, rSTR2 cmpld cr1, rWORD3, rWORD4 srd r0, rWORD6, rSHR sld rWORD6_SHIFT, rWORD6, rSHL @@ -932,82 +756,47 @@ L(duP1x): beq L(duZeroReturn) li r0, 0 ble cr7, L(dutrim) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD2, 0, rSTR2 - addi rSTR2, rSTR2, 8 -#else - ld rWORD2, 8(rSTR2) -#endif + LD rWORD2, rOFF8, rSTR2 srd r0, rWORD2, rSHR b L(dutrim) /* Remainder is 16 */ .align 4 L(duP2): srd r0, rWORD8, rSHR -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD5, 0, rSTR1 - addi rSTR1, rSTR1, 8 -#else - ld rWORD5, 0(rSTR1) -#endif + LD rWORD5, 0, rSTR1 or rWORD6, r0, rWORD6_SHIFT sld rWORD6_SHIFT, rWORD8, rSHL L(duP2e): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD7, 0, rSTR1 - ldbrx rWORD8, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD7, 8(rSTR1) - ld rWORD8, 8(rSTR2) -#endif + LD rWORD7, rOFF8, rSTR1 + LD rWORD8, rOFF8, rSTR2 cmpld cr6, rWORD5, rWORD6 srd r12, rWORD8, rSHR sld rWORD8_SHIFT, rWORD8, rSHL or rWORD8, r12, rWORD6_SHIFT blt cr7, L(duP2x) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 16(rSTR1) - ld rWORD2, 16(rSTR2) -#endif + LD rWORD1, rOFF16, rSTR1 + LD rWORD2, rOFF16, rSTR2 cmpld cr5, rWORD7, rWORD8 bne cr6, L(duLcr6) srd r0, rWORD2, rSHR sld rWORD2_SHIFT, rWORD2, rSHL or rWORD2, r0, rWORD8_SHIFT -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD3, 0, rSTR1 - ldbrx rWORD4, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD3, 24(rSTR1) - ld rWORD4, 24(rSTR2) -#endif + LD rWORD3, rOFF24, rSTR1 + LD rWORD4, rOFF24, rSTR2 cmpld cr7, rWORD1, rWORD2 bne cr5, L(duLcr5) srd r12, rWORD4, rSHR sld rWORD4_SHIFT, rWORD4, rSHL or rWORD4, r12, rWORD2_SHIFT -#ifndef __LITTLE_ENDIAN__ addi rSTR1, rSTR1, 8 addi rSTR2, rSTR2, 8 -#endif cmpld cr1, rWORD3, rWORD4 b L(duLoop2) .align 4 L(duP2x): cmpld cr5, rWORD7, rWORD8 -#ifndef __LITTLE_ENDIAN__ addi rSTR1, rSTR1, 8 addi rSTR2, rSTR2, 8 -#endif bne cr6, L(duLcr6) sldi. rN, rN, 3 bne cr5, L(duLcr5) @@ -1015,12 +804,7 @@ L(duP2x): beq L(duZeroReturn) li r0, 0 ble cr7, L(dutrim) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD2, 0, rSTR2 - addi rSTR2, rSTR2, 8 -#else - ld rWORD2, 8(rSTR2) -#endif + LD rWORD2, rOFF8, rSTR2 srd r0, rWORD2, rSHR b L(dutrim) @@ -1028,73 +812,39 @@ L(duP2x): .align 4 L(duP3): srd r12, rWORD8, rSHR -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD3, 0, rSTR1 - addi rSTR1, rSTR1, 8 -#else - ld rWORD3, 0(rSTR1) -#endif + LD rWORD3, 0, rSTR1 sld rWORD4_SHIFT, rWORD8, rSHL or rWORD4, r12, rWORD6_SHIFT L(duP3e): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD5, 0, rSTR1 - ldbrx rWORD6, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD5, 8(rSTR1) - ld rWORD6, 8(rSTR2) -#endif + LD rWORD5, rOFF8, rSTR1 + LD rWORD6, rOFF8, rSTR2 cmpld cr1, rWORD3, rWORD4 srd r0, rWORD6, rSHR sld rWORD6_SHIFT, rWORD6, rSHL or rWORD6, r0, rWORD4_SHIFT -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD7, 0, rSTR1 - ldbrx rWORD8, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD7, 16(rSTR1) - ld rWORD8, 16(rSTR2) -#endif + LD rWORD7, rOFF16, rSTR1 + LD rWORD8, rOFF16, rSTR2 cmpld cr6, rWORD5, rWORD6 bne cr1, L(duLcr1) srd r12, rWORD8, rSHR sld rWORD8_SHIFT, rWORD8, rSHL or rWORD8, r12, rWORD6_SHIFT blt cr7, L(duP3x) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 24(rSTR1) - ld rWORD2, 24(rSTR2) -#endif + LD rWORD1, rOFF24, rSTR1 + LD rWORD2, rOFF24, rSTR2 cmpld cr5, rWORD7, rWORD8 bne cr6, L(duLcr6) srd r0, rWORD2, rSHR sld rWORD2_SHIFT, rWORD2, rSHL or rWORD2, r0, rWORD8_SHIFT -#ifndef __LITTLE_ENDIAN__ addi rSTR1, rSTR1, 16 addi rSTR2, rSTR2, 16 -#endif cmpld cr7, rWORD1, rWORD2 b L(duLoop1) .align 4 L(duP3x): -#ifndef __LITTLE_ENDIAN__ addi rSTR1, rSTR1, 16 addi rSTR2, rSTR2, 16 -#endif -#if 0 -/* Huh? We've already branched on cr1! */ - bne cr1, L(duLcr1) -#endif cmpld cr5, rWORD7, rWORD8 bne cr6, L(duLcr6) sldi. rN, rN, 3 @@ -1103,12 +853,7 @@ L(duP3x): beq L(duZeroReturn) li r0, 0 ble cr7, L(dutrim) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD2, 0, rSTR2 - addi rSTR2, rSTR2, 8 -#else - ld rWORD2, 8(rSTR2) -#endif + LD rWORD2, rOFF8, rSTR2 srd r0, rWORD2, rSHR b L(dutrim) @@ -1117,51 +862,27 @@ L(duP3x): L(duP4): mtctr r0 srd r0, rWORD8, rSHR -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - addi rSTR1, rSTR1, 8 -#else - ld rWORD1, 0(rSTR1) -#endif + LD rWORD1, 0, rSTR1 sld rWORD2_SHIFT, rWORD8, rSHL or rWORD2, r0, rWORD6_SHIFT L(duP4e): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD3, 0, rSTR1 - ldbrx rWORD4, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD3, 8(rSTR1) - ld rWORD4, 8(rSTR2) -#endif + LD rWORD3, rOFF8, rSTR1 + LD rWORD4, rOFF8, rSTR2 cmpld cr7, rWORD1, rWORD2 srd r12, rWORD4, rSHR sld rWORD4_SHIFT, rWORD4, rSHL or rWORD4, r12, rWORD2_SHIFT -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD5, 0, rSTR1 - ldbrx rWORD6, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD5, 16(rSTR1) - ld rWORD6, 16(rSTR2) -#endif + LD rWORD5, rOFF16, rSTR1 + LD rWORD6, rOFF16, rSTR2 cmpld cr1, rWORD3, rWORD4 bne cr7, L(duLcr7) srd r0, rWORD6, rSHR sld rWORD6_SHIFT, rWORD6, rSHL or rWORD6, r0, rWORD4_SHIFT -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD7, 0, rSTR1 - ldbrx rWORD8, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ldu rWORD7, 24(rSTR1) - ldu rWORD8, 24(rSTR2) -#endif + LD rWORD7, rOFF24, rSTR1 + LD rWORD8, rOFF24, rSTR2 + addi rSTR1, rSTR1, 24 + addi rSTR2, rSTR2, 24 cmpld cr6, rWORD5, rWORD6 bne cr1, L(duLcr1) srd r12, rWORD8, rSHR @@ -1172,60 +893,34 @@ L(duP4e): /* This is the primary loop */ .align 4 L(duLoop): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 - ldbrx rWORD2, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD1, 8(rSTR1) - ld rWORD2, 8(rSTR2) -#endif + LD rWORD1, rOFF8, rSTR1 + LD rWORD2, rOFF8, rSTR2 cmpld cr1, rWORD3, rWORD4 bne cr6, L(duLcr6) srd r0, rWORD2, rSHR sld rWORD2_SHIFT, rWORD2, rSHL or rWORD2, r0, rWORD8_SHIFT L(duLoop1): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD3, 0, rSTR1 - ldbrx rWORD4, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD3, 16(rSTR1) - ld rWORD4, 16(rSTR2) -#endif + LD rWORD3, rOFF16, rSTR1 + LD rWORD4, rOFF16, rSTR2 cmpld cr6, rWORD5, rWORD6 bne cr5, L(duLcr5) srd r12, rWORD4, rSHR sld rWORD4_SHIFT, rWORD4, rSHL or rWORD4, r12, rWORD2_SHIFT L(duLoop2): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD5, 0, rSTR1 - ldbrx rWORD6, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ld rWORD5, 24(rSTR1) - ld rWORD6, 24(rSTR2) -#endif + LD rWORD5, rOFF24, rSTR1 + LD rWORD6, rOFF24, rSTR2 cmpld cr5, rWORD7, rWORD8 bne cr7, L(duLcr7) srd r0, rWORD6, rSHR sld rWORD6_SHIFT, rWORD6, rSHL or rWORD6, r0, rWORD4_SHIFT L(duLoop3): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD7, 0, rSTR1 - ldbrx rWORD8, 0, rSTR2 - addi rSTR1, rSTR1, 8 - addi rSTR2, rSTR2, 8 -#else - ldu rWORD7, 32(rSTR1) - ldu rWORD8, 32(rSTR2) -#endif + LD rWORD7, rOFF32, rSTR1 + LD rWORD8, rOFF32, rSTR2 + addi rSTR1, rSTR1, 32 + addi rSTR2, rSTR2, 32 cmpld cr7, rWORD1, rWORD2 bne cr1, L(duLcr1) srd r12, rWORD8, rSHR @@ -1234,10 +929,6 @@ L(duLoop3): bdnz L(duLoop) L(duL4): -#if 0 -/* Huh? We've already branched on cr1! */ - bne cr1, L(duLcr1) -#endif cmpld cr1, rWORD3, rWORD4 bne cr6, L(duLcr6) cmpld cr6, rWORD5, rWORD6 @@ -1264,99 +955,102 @@ L(du14): beq L(duZeroReturn) li r0, 0 ble cr7, L(dutrim) -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD2, 0, rSTR2 - addi rSTR2, rSTR2, 8 -#else - ld rWORD2, 8(rSTR2) -#endif + LD rWORD2, rOFF8, rSTR2 srd r0, rWORD2, rSHR .align 4 L(dutrim): -#ifdef __LITTLE_ENDIAN__ - ldbrx rWORD1, 0, rSTR1 -#else - ld rWORD1, 8(rSTR1) -#endif + LD rWORD1, rOFF8, rSTR1 ld rWORD8, -8(r1) subfic rN, rN, 64 /* Shift count is 64 - (rN * 8). */ or rWORD2, r0, rWORD8_SHIFT - ld rWORD7, -16(r1) - ld rSHL, -24(r1) + ld rWORD7, rWORD7SAVE(r1) + ld rSHL, rSHLSAVE(r1) srd rWORD1, rWORD1, rN srd rWORD2, rWORD2, rN - ld rSHR, -32(r1) - ld rWORD8_SHIFT, -40(r1) + ld rSHR, rSHRSAVE(r1) + ld rWORD8_SHIFT, rWORD8SHIFTSAVE(r1) li rRTN, 0 cmpld cr7, rWORD1, rWORD2 - ld rWORD2_SHIFT, -48(r1) - ld rWORD4_SHIFT, -56(r1) + ld rWORD2_SHIFT, rWORD2SHIFTSAVE(r1) + ld rWORD4_SHIFT, rWORD4SHIFTSAVE(r1) beq cr7, L(dureturn24) li rRTN, 1 - ld rWORD6_SHIFT, -64(r1) + ld rWORD6_SHIFT, rWORD6SHIFTSAVE(r1) + ld rOFF8, rOFF8SAVE(r1) + ld rOFF16, rOFF16SAVE(r1) + ld rOFF24, rOFF24SAVE(r1) + ld rOFF32, rOFF32SAVE(r1) bgtlr cr7 li rRTN, -1 blr .align 4 L(duLcr7): - ld rWORD8, -8(r1) - ld rWORD7, -16(r1) + ld rWORD8, rWORD8SAVE(r1) + ld rWORD7, rWORD7SAVE(r1) li rRTN, 1 bgt cr7, L(dureturn29) - ld rSHL, -24(r1) - ld rSHR, -32(r1) + ld rSHL, rSHLSAVE(r1) + ld rSHR, rSHRSAVE(r1) li rRTN, -1 b L(dureturn27) .align 4 L(duLcr1): - ld rWORD8, -8(r1) - ld rWORD7, -16(r1) + ld rWORD8, rWORD8SAVE(r1) + ld rWORD7, rWORD7SAVE(r1) li rRTN, 1 bgt cr1, L(dureturn29) - ld rSHL, -24(r1) - ld rSHR, -32(r1) + ld rSHL, rSHLSAVE(r1) + ld rSHR, rSHRSAVE(r1) li rRTN, -1 b L(dureturn27) .align 4 L(duLcr6): - ld rWORD8, -8(r1) - ld rWORD7, -16(r1) + ld rWORD8, rWORD8SAVE(r1) + ld rWORD7, rWORD7SAVE(r1) li rRTN, 1 bgt cr6, L(dureturn29) - ld rSHL, -24(r1) - ld rSHR, -32(r1) + ld rSHL, rSHLSAVE(r1) + ld rSHR, rSHRSAVE(r1) li rRTN, -1 b L(dureturn27) .align 4 L(duLcr5): - ld rWORD8, -8(r1) - ld rWORD7, -16(r1) + ld rWORD8, rWORD8SAVE(r1) + ld rWORD7, rWORD7SAVE(r1) li rRTN, 1 bgt cr5, L(dureturn29) - ld rSHL, -24(r1) - ld rSHR, -32(r1) + ld rSHL, rSHLSAVE(r1) + ld rSHR, rSHRSAVE(r1) li rRTN, -1 b L(dureturn27) + .align 3 L(duZeroReturn): li rRTN, 0 .align 4 L(dureturn): - ld rWORD8, -8(r1) - ld rWORD7, -16(r1) + ld rWORD8, rWORD8SAVE(r1) + ld rWORD7, rWORD7SAVE(r1) L(dureturn29): - ld rSHL, -24(r1) - ld rSHR, -32(r1) + ld rSHL, rSHLSAVE(r1) + ld rSHR, rSHRSAVE(r1) L(dureturn27): - ld rWORD8_SHIFT, -40(r1) -L(dureturn26): - ld rWORD2_SHIFT, -48(r1) -L(dureturn25): - ld rWORD4_SHIFT, -56(r1) + ld rWORD8_SHIFT, rWORD8SHIFTSAVE(r1) + ld rWORD2_SHIFT, rWORD2SHIFTSAVE(r1) + ld rWORD4_SHIFT, rWORD4SHIFTSAVE(r1) L(dureturn24): - ld rWORD6_SHIFT, -64(r1) + ld rWORD6_SHIFT, rWORD6SHIFTSAVE(r1) + ld rOFF8, rOFF8SAVE(r1) + ld rOFF16, rOFF16SAVE(r1) + ld rOFF24, rOFF24SAVE(r1) + ld rOFF32, rOFF32SAVE(r1) blr + L(duzeroLength): + ld rOFF8, rOFF8SAVE(r1) + ld rOFF16, rOFF16SAVE(r1) + ld rOFF24, rOFF24SAVE(r1) + ld rOFF32, rOFF32SAVE(r1) li rRTN, 0 blr |