diff options
Diffstat (limited to 'mdk-stage1/dietlibc/sparc')
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/Makefile.add | 1 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/__longjmp.S | 1 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/clone.S | 5 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/fork.S | 2 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/mmap.c | 4 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/pipe.S | 2 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/setjmp.S | 28 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/shmat.c | 2 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/start.S | 58 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/udiv.S | 102 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/umul.S | 6 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/unified.S | 10 | ||||
| -rw-r--r-- | mdk-stage1/dietlibc/sparc/urem.S | 102 |
13 files changed, 167 insertions, 156 deletions
diff --git a/mdk-stage1/dietlibc/sparc/Makefile.add b/mdk-stage1/dietlibc/sparc/Makefile.add index 0de05b1db..102175bc5 100644 --- a/mdk-stage1/dietlibc/sparc/Makefile.add +++ b/mdk-stage1/dietlibc/sparc/Makefile.add @@ -1,3 +1,4 @@ CFLAGS+=-mcpu=supersparc -Os VPATH:=sparc:syscalls.s:$(VPATH) +LIBOBJ+=$(OBJDIR)/udiv.o $(OBJDIR)/umul.o $(OBJDIR)/urem.o diff --git a/mdk-stage1/dietlibc/sparc/__longjmp.S b/mdk-stage1/dietlibc/sparc/__longjmp.S index 72e001a2f..6550d2b5c 100644 --- a/mdk-stage1/dietlibc/sparc/__longjmp.S +++ b/mdk-stage1/dietlibc/sparc/__longjmp.S @@ -10,6 +10,7 @@ .text .global __longjmp +.type __longjmp,function __longjmp: /* Store our arguments in global registers so we can still use them while unwinding frames and their register windows. */ diff --git a/mdk-stage1/dietlibc/sparc/clone.S b/mdk-stage1/dietlibc/sparc/clone.S index 58b438249..fd8d1d126 100644 --- a/mdk-stage1/dietlibc/sparc/clone.S +++ b/mdk-stage1/dietlibc/sparc/clone.S @@ -1,10 +1,11 @@ -#include <asm/errno.h> -#include <asm/unistd.h> +#include <errno.h> +#include "syscalls.h" .text .align 4 .weak clone clone: +.type __clone,#function .global __clone __clone: save %sp, -96, %sp diff --git a/mdk-stage1/dietlibc/sparc/fork.S b/mdk-stage1/dietlibc/sparc/fork.S index 869c9b30c..a54cab2a9 100644 --- a/mdk-stage1/dietlibc/sparc/fork.S +++ b/mdk-stage1/dietlibc/sparc/fork.S @@ -10,7 +10,7 @@ __libc_fork: bcc,a 1f nop save %sp, -96, %sp -#ifdef WANT_THREAD_SAVE +#ifdef WANT_THREAD_SAFE call __errno_location nop #else diff --git a/mdk-stage1/dietlibc/sparc/mmap.c b/mdk-stage1/dietlibc/sparc/mmap.c index 25ebdc24e..5342bac4e 100644 --- a/mdk-stage1/dietlibc/sparc/mmap.c +++ b/mdk-stage1/dietlibc/sparc/mmap.c @@ -1,5 +1,5 @@ -#include <linux/types.h> -#include <linux/unistd.h> +#include <sys/types.h> +#include "syscalls.h" #define __SYSCALL_STRING \ "ta 0x10;" \ diff --git a/mdk-stage1/dietlibc/sparc/pipe.S b/mdk-stage1/dietlibc/sparc/pipe.S index 820da2570..076822765 100644 --- a/mdk-stage1/dietlibc/sparc/pipe.S +++ b/mdk-stage1/dietlibc/sparc/pipe.S @@ -9,7 +9,7 @@ pipe: bcc,a 1f nop save %sp, -96, %sp -#ifdef WANT_THREAD_SAVE +#ifdef WANT_THREAD_SAFE call __errno_location nop #else diff --git a/mdk-stage1/dietlibc/sparc/setjmp.S b/mdk-stage1/dietlibc/sparc/setjmp.S index efc5a7013..579df757c 100644 --- a/mdk-stage1/dietlibc/sparc/setjmp.S +++ b/mdk-stage1/dietlibc/sparc/setjmp.S @@ -6,32 +6,34 @@ #define ST_FLUSH_WINDOWS 0x03 -.section .rodata .text .globl __setjmp +.type __setjmp,function __setjmp: - b 1f - set 0, %o1 + b 1f + set 0, %o1 .size __setjmp,.-__setjmp .globl setjmp +.type setjmp,function setjmp: - set 1, %o1 + set 1, %o1 .size setjmp,.-setjmp .globl __sigsetjmp +.type __sigsetjmp,function __sigsetjmp: 1: - /* Save our PC, SP and FP. Save the signal mask if requested with - a tail-call for simplicity; it always returns zero. */ - ta ST_FLUSH_WINDOWS + /* Save our PC, SP and FP. Save the signal mask if requested with + a tail-call for simplicity; it always returns zero. */ + ta ST_FLUSH_WINDOWS - st %o7, [%o0 + (JB_PC * 4)] - st %sp, [%o0 + (JB_SP * 4)] - st %fp, [%o0 + (JB_FP * 4)] + st %o7, [%o0 + (JB_PC * 4)] + st %sp, [%o0 + (JB_SP * 4)] + st %fp, [%o0 + (JB_FP * 4)] - mov %o7, %g1 - call __sigjmp_save - mov %g1, %o7 + mov %o7, %g1 + call __sigjmp_save + mov %g1, %o7 .size __sigsetjmp,.-__sigsetjmp diff --git a/mdk-stage1/dietlibc/sparc/shmat.c b/mdk-stage1/dietlibc/sparc/shmat.c index 73b2d89a9..b7dce2e83 100644 --- a/mdk-stage1/dietlibc/sparc/shmat.c +++ b/mdk-stage1/dietlibc/sparc/shmat.c @@ -1,7 +1,7 @@ #include <sys/types.h> #include <sys/ipc.h> #include <sys/shm.h> -#include <asm/ipc.h> +#include <unistd.h> extern void* __ipc(); diff --git a/mdk-stage1/dietlibc/sparc/start.S b/mdk-stage1/dietlibc/sparc/start.S index e948aaddc..c6408ee8f 100644 --- a/mdk-stage1/dietlibc/sparc/start.S +++ b/mdk-stage1/dietlibc/sparc/start.S @@ -1,46 +1,50 @@ -#include "start.h" - -#ifdef __sparc__ - .section ".text" - .align 4 - .global _start - .type _start,@function + .section ".text" + .align 4 + .global _start + .type _start,@function _start: - /* Terminate the stack frame, and reserve space for functions to - drop their arguments. */ - mov %g0, %fp - sub %sp, 6*4, %sp +/* Terminate the stack frame, and reserve space for functions to + drop their arguments. */ + mov %g0, %fp + sub %sp, 6*4, %sp - /* Extract the arguments and environment as encoded on the stack. The - argument info starts after one register window (16 words) past the SP. */ - ld [%sp+22*4], %o0 - add %sp, 23*4, %o1 +/* Extract the arguments and environment as encoded on the stack. The + argument info starts after one register window (16 words) past the SP. */ + ld [%sp+22*4], %o0 + add %sp, 23*4, %o1 add %o1, %o0, %o2 add %o2, %o0, %o2 add %o2, %o0, %o2 add %o2, %o0, %o2 add %o2, 4, %o2 - sethi %hi(environ), %o3 - or %o3, %lo(environ), %o3 + sethi %hi(environ), %o3 + or %o3, %lo(environ), %o3 st %o2, [%o3] - /* When starting a binary via the dynamic linker, %g1 contains the - address of the shared library termination function, which will be - registered with atexit(). If we are statically linked, this will - be NULL. */ +/* When starting a binary via the dynamic linker, %g1 contains the + address of the shared library termination function, which will be + registered with atexit(). If we are statically linked, this will + be NULL. */ - /* Let libc do the rest of the initialization, and call main. */ +/* Let libc do the rest of the initialization, and call main. */ +#ifdef WANT_DYNAMIC + call dyn_start +#else call main - mov %g1, %o5 +#endif + mov %g1, %o3 b exit mov %o0, %i0 - /* Die very horribly if exit returns. */ - unimp +/* Die very horribly if exit returns. */ - .size _start, .-_start -#endif +/* here we go and "reuse" the return for weak-void functions */ +#include "dietuglyweaks.h" + ret + nop + + .size _start, .-_start diff --git a/mdk-stage1/dietlibc/sparc/udiv.S b/mdk-stage1/dietlibc/sparc/udiv.S index 87479e7bd..fe8d04969 100644 --- a/mdk-stage1/dietlibc/sparc/udiv.S +++ b/mdk-stage1/dietlibc/sparc/udiv.S @@ -48,8 +48,6 @@ C_LABEL(name);\ .type name,@function; -#define LOC(name) . ## L ## name - #define END(name) \ .size name, . - name @@ -70,11 +68,11 @@ ENTRY(.udiv) 1: cmp %o3, %o5 ! if %o1 exceeds %o0, done - blu LOC(got_result) ! (and algorithm fails otherwise) + blu .Lgot_result ! (and algorithm fails otherwise) clr %o2 sethi %hi(1 << (32 - 4 - 1)), %g1 cmp %o3, %g1 - blu LOC(not_really_big) + blu .Lnot_really_big clr %o4 ! Here the dividend is >= 2**(31-N) or so. We must be careful here, @@ -92,7 +90,7 @@ ENTRY(.udiv) ! Now compute %g2. 2: addcc %o5, %o5, %o5 - bcc LOC(not_too_big) + bcc .Lnot_too_big add %g2, 1, %g2 ! We get here if the %o1 overflowed while shifting. @@ -101,14 +99,14 @@ ENTRY(.udiv) sll %g1, 4, %g1 ! high order bit srl %o5, 1, %o5 ! rest of %o5 add %o5, %g1, %o5 - b LOC(do_single_div) + b .Ldo_single_div sub %g2, 1, %g2 - LOC(not_too_big): + .Lnot_too_big: 3: cmp %o5, %o3 blu 2b nop - be LOC(do_single_div) + be .Ldo_single_div nop /* NB: these are commented out in the V8-Sparc manual as well */ /* (I do not understand this) */ @@ -123,15 +121,15 @@ ENTRY(.udiv) ! order bit set in the first step, just falling into the regular ! division loop will mess up the first time around. ! So we unroll slightly... - LOC(do_single_div): + .Ldo_single_div: subcc %g2, 1, %g2 - bl LOC(end_regular_divide) + bl .Lend_regular_divide nop sub %o3, %o5, %o3 mov 1, %o2 - b LOC(end_single_divloop) + b .Lend_single_divloop nop - LOC(single_divloop): + .Lsingle_divloop: sll %o2, 1, %o2 bl 1f srl %o5, 1, %o5 @@ -143,66 +141,66 @@ ENTRY(.udiv) add %o3, %o5, %o3 sub %o2, 1, %o2 2: - LOC(end_single_divloop): + .Lend_single_divloop: subcc %g2, 1, %g2 - bge LOC(single_divloop) + bge .Lsingle_divloop tst %o3 - b,a LOC(end_regular_divide) + b,a .Lend_regular_divide -LOC(not_really_big): +.Lnot_really_big: 1: sll %o5, 4, %o5 cmp %o5, %o3 bleu 1b addcc %o4, 1, %o4 - be LOC(got_result) + be .Lgot_result sub %o4, 1, %o4 tst %o3 ! set up for initial iteration -LOC(divloop): +.Ldivloop: sll %o2, 4, %o2 ! depth 1, accumulated bits 0 - bl LOC(1.16) + bl .L1.16 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 2, accumulated bits 1 - bl LOC(2.17) + bl .L2.17 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 3, accumulated bits 3 - bl LOC(3.19) + bl .L3.19 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 4, accumulated bits 7 - bl LOC(4.23) + bl .L4.23 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (7*2+1), %o2 -LOC(4.23): +.L4.23: ! remainder is negative addcc %o3,%o5,%o3 b 9f add %o2, (7*2-1), %o2 -LOC(3.19): +.L3.19: ! remainder is negative addcc %o3,%o5,%o3 ! depth 4, accumulated bits 5 - bl LOC(4.21) + bl .L4.21 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (5*2+1), %o2 -LOC(4.21): +.L4.21: ! remainder is negative addcc %o3,%o5,%o3 b 9f @@ -210,41 +208,41 @@ LOC(4.21): -LOC(2.17): +.L2.17: ! remainder is negative addcc %o3,%o5,%o3 ! depth 3, accumulated bits 1 - bl LOC(3.17) + bl .L3.17 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 4, accumulated bits 3 - bl LOC(4.19) + bl .L4.19 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (3*2+1), %o2 -LOC(4.19): +.L4.19: ! remainder is negative addcc %o3,%o5,%o3 b 9f add %o2, (3*2-1), %o2 -LOC(3.17): +.L3.17: ! remainder is negative addcc %o3,%o5,%o3 ! depth 4, accumulated bits 1 - bl LOC(4.17) + bl .L4.17 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (1*2+1), %o2 -LOC(4.17): +.L4.17: ! remainder is negative addcc %o3,%o5,%o3 b 9f @@ -253,46 +251,46 @@ LOC(4.17): -LOC(1.16): +.L1.16: ! remainder is negative addcc %o3,%o5,%o3 ! depth 2, accumulated bits -1 - bl LOC(2.15) + bl .L2.15 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 3, accumulated bits -1 - bl LOC(3.15) + bl .L3.15 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 4, accumulated bits -1 - bl LOC(4.15) + bl .L4.15 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (-1*2+1), %o2 -LOC(4.15): +.L4.15: ! remainder is negative addcc %o3,%o5,%o3 b 9f add %o2, (-1*2-1), %o2 -LOC(3.15): +.L3.15: ! remainder is negative addcc %o3,%o5,%o3 ! depth 4, accumulated bits -3 - bl LOC(4.13) + bl .L4.13 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (-3*2+1), %o2 -LOC(4.13): +.L4.13: ! remainder is negative addcc %o3,%o5,%o3 b 9f @@ -300,41 +298,41 @@ LOC(4.13): -LOC(2.15): +.L2.15: ! remainder is negative addcc %o3,%o5,%o3 ! depth 3, accumulated bits -3 - bl LOC(3.13) + bl .L3.13 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 4, accumulated bits -5 - bl LOC(4.11) + bl .L4.11 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (-5*2+1), %o2 -LOC(4.11): +.L4.11: ! remainder is negative addcc %o3,%o5,%o3 b 9f add %o2, (-5*2-1), %o2 -LOC(3.13): +.L3.13: ! remainder is negative addcc %o3,%o5,%o3 ! depth 4, accumulated bits -7 - bl LOC(4.9) + bl .L4.9 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (-7*2+1), %o2 -LOC(4.9): +.L4.9: ! remainder is negative addcc %o3,%o5,%o3 b 9f @@ -344,16 +342,16 @@ LOC(4.9): 9: -LOC(end_regular_divide): +.Lend_regular_divide: subcc %o4, 1, %o4 - bge LOC(divloop) + bge .Ldivloop tst %o3 - bl,a LOC(got_result) + bl,a .Lgot_result ! non-restoring fixup here (one instruction only!) sub %o2, 1, %o2 -LOC(got_result): +.Lgot_result: retl mov %o2, %o0 diff --git a/mdk-stage1/dietlibc/sparc/umul.S b/mdk-stage1/dietlibc/sparc/umul.S index 15038ab2a..5d7d60f2b 100644 --- a/mdk-stage1/dietlibc/sparc/umul.S +++ b/mdk-stage1/dietlibc/sparc/umul.S @@ -25,8 +25,6 @@ C_LABEL(name);\ .type name,@function; -#define LOC(name) . ## L ## name - #define END(name) \ .size name, . - name @@ -34,7 +32,7 @@ ENTRY(.umul) or %o0, %o1, %o4 mov %o0, %y ! multiplier -> Y andncc %o4, 0xfff, %g0 ! test bits 12..31 of *both* args - be LOC(mul_shortway) ! if zero, can do it the short way + be .Lmul_shortway ! if zero, can do it the short way andcc %g0, %g0, %o4 ! zero the partial product; clear N & V /* @@ -124,7 +122,7 @@ ENTRY(.umul) addcc %o4, %o2, %o1 ! add compensation and put upper half in place #endif -LOC(mul_shortway): +.Lmul_shortway: /* * Short multiply. 12 steps, followed by a final shift step. * The resulting bits are off by 12 and (32-12) = 20 bit positions, diff --git a/mdk-stage1/dietlibc/sparc/unified.S b/mdk-stage1/dietlibc/sparc/unified.S index 3cd609da5..873a522df 100644 --- a/mdk-stage1/dietlibc/sparc/unified.S +++ b/mdk-stage1/dietlibc/sparc/unified.S @@ -1,6 +1,14 @@ #include <dietfeatures.h> +#include "syscalls.h" .text +.weak exit +.type exit,function +exit: +.global _exit +.type _exit,function +_exit: + mov __NR_exit, %g1 .global __unified_syscall __unified_syscall: ta 0x10 @@ -14,7 +22,7 @@ __unified_syscall: cmp %l2, 0xfe bgu 2f neg %i0, %l3 -#ifdef WANT_THREAD_SAVE +#ifdef WANT_THREAD_SAFE call __errno_location nop #else diff --git a/mdk-stage1/dietlibc/sparc/urem.S b/mdk-stage1/dietlibc/sparc/urem.S index 943cb7873..f7a9fd394 100644 --- a/mdk-stage1/dietlibc/sparc/urem.S +++ b/mdk-stage1/dietlibc/sparc/urem.S @@ -48,8 +48,6 @@ C_LABEL(name);\ .type name,@function; -#define LOC(name) . ## L ## name - #define END(name) \ .size name, . - name @@ -70,11 +68,11 @@ ENTRY(.urem) 1: cmp %o3, %o5 ! if %o1 exceeds %o0, done - blu LOC(got_result) ! (and algorithm fails otherwise) + blu .Lgot_result ! (and algorithm fails otherwise) clr %o2 sethi %hi(1 << (32 - 4 - 1)), %g1 cmp %o3, %g1 - blu LOC(not_really_big) + blu .Lnot_really_big clr %o4 ! Here the dividend is >= 2**(31-N) or so. We must be careful here, @@ -92,7 +90,7 @@ ENTRY(.urem) ! Now compute %g2. 2: addcc %o5, %o5, %o5 - bcc LOC(not_too_big) + bcc .Lnot_too_big add %g2, 1, %g2 ! We get here if the %o1 overflowed while shifting. @@ -101,14 +99,14 @@ ENTRY(.urem) sll %g1, 4, %g1 ! high order bit srl %o5, 1, %o5 ! rest of %o5 add %o5, %g1, %o5 - b LOC(do_single_div) + b .Ldo_single_div sub %g2, 1, %g2 - LOC(not_too_big): + .Lnot_too_big: 3: cmp %o5, %o3 blu 2b nop - be LOC(do_single_div) + be .Ldo_single_div nop /* NB: these are commented out in the V8-Sparc manual as well */ /* (I do not understand this) */ @@ -123,15 +121,15 @@ ENTRY(.urem) ! order bit set in the first step, just falling into the regular ! division loop will mess up the first time around. ! So we unroll slightly... - LOC(do_single_div): + .Ldo_single_div: subcc %g2, 1, %g2 - bl LOC(end_regular_divide) + bl .Lend_regular_divide nop sub %o3, %o5, %o3 mov 1, %o2 - b LOC(end_single_divloop) + b .Lend_single_divloop nop - LOC(single_divloop): + .Lsingle_divloop: sll %o2, 1, %o2 bl 1f srl %o5, 1, %o5 @@ -143,66 +141,66 @@ ENTRY(.urem) add %o3, %o5, %o3 sub %o2, 1, %o2 2: - LOC(end_single_divloop): + .Lend_single_divloop: subcc %g2, 1, %g2 - bge LOC(single_divloop) + bge .Lsingle_divloop tst %o3 - b,a LOC(end_regular_divide) + b,a .Lend_regular_divide -LOC(not_really_big): +.Lnot_really_big: 1: sll %o5, 4, %o5 cmp %o5, %o3 bleu 1b addcc %o4, 1, %o4 - be LOC(got_result) + be .Lgot_result sub %o4, 1, %o4 tst %o3 ! set up for initial iteration -LOC(divloop): +.Ldivloop: sll %o2, 4, %o2 ! depth 1, accumulated bits 0 - bl LOC(1.16) + bl .L1.16 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 2, accumulated bits 1 - bl LOC(2.17) + bl .L2.17 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 3, accumulated bits 3 - bl LOC(3.19) + bl .L3.19 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 4, accumulated bits 7 - bl LOC(4.23) + bl .L4.23 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (7*2+1), %o2 -LOC(4.23): +.L4.23: ! remainder is negative addcc %o3,%o5,%o3 b 9f add %o2, (7*2-1), %o2 -LOC(3.19): +.L3.19: ! remainder is negative addcc %o3,%o5,%o3 ! depth 4, accumulated bits 5 - bl LOC(4.21) + bl .L4.21 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (5*2+1), %o2 -LOC(4.21): +.L4.21: ! remainder is negative addcc %o3,%o5,%o3 b 9f @@ -210,41 +208,41 @@ LOC(4.21): -LOC(2.17): +.L2.17: ! remainder is negative addcc %o3,%o5,%o3 ! depth 3, accumulated bits 1 - bl LOC(3.17) + bl .L3.17 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 4, accumulated bits 3 - bl LOC(4.19) + bl .L4.19 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (3*2+1), %o2 -LOC(4.19): +.L4.19: ! remainder is negative addcc %o3,%o5,%o3 b 9f add %o2, (3*2-1), %o2 -LOC(3.17): +.L3.17: ! remainder is negative addcc %o3,%o5,%o3 ! depth 4, accumulated bits 1 - bl LOC(4.17) + bl .L4.17 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (1*2+1), %o2 -LOC(4.17): +.L4.17: ! remainder is negative addcc %o3,%o5,%o3 b 9f @@ -253,46 +251,46 @@ LOC(4.17): -LOC(1.16): +.L1.16: ! remainder is negative addcc %o3,%o5,%o3 ! depth 2, accumulated bits -1 - bl LOC(2.15) + bl .L2.15 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 3, accumulated bits -1 - bl LOC(3.15) + bl .L3.15 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 4, accumulated bits -1 - bl LOC(4.15) + bl .L4.15 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (-1*2+1), %o2 -LOC(4.15): +.L4.15: ! remainder is negative addcc %o3,%o5,%o3 b 9f add %o2, (-1*2-1), %o2 -LOC(3.15): +.L3.15: ! remainder is negative addcc %o3,%o5,%o3 ! depth 4, accumulated bits -3 - bl LOC(4.13) + bl .L4.13 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (-3*2+1), %o2 -LOC(4.13): +.L4.13: ! remainder is negative addcc %o3,%o5,%o3 b 9f @@ -300,41 +298,41 @@ LOC(4.13): -LOC(2.15): +.L2.15: ! remainder is negative addcc %o3,%o5,%o3 ! depth 3, accumulated bits -3 - bl LOC(3.13) + bl .L3.13 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 ! depth 4, accumulated bits -5 - bl LOC(4.11) + bl .L4.11 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (-5*2+1), %o2 -LOC(4.11): +.L4.11: ! remainder is negative addcc %o3,%o5,%o3 b 9f add %o2, (-5*2-1), %o2 -LOC(3.13): +.L3.13: ! remainder is negative addcc %o3,%o5,%o3 ! depth 4, accumulated bits -7 - bl LOC(4.9) + bl .L4.9 srl %o5,1,%o5 ! remainder is positive subcc %o3,%o5,%o3 b 9f add %o2, (-7*2+1), %o2 -LOC(4.9): +.L4.9: ! remainder is negative addcc %o3,%o5,%o3 b 9f @@ -344,16 +342,16 @@ LOC(4.9): 9: -LOC(end_regular_divide): +.Lend_regular_divide: subcc %o4, 1, %o4 - bge LOC(divloop) + bge .Ldivloop tst %o3 - bl,a LOC(got_result) + bl,a .Lgot_result ! non-restoring fixup here (one instruction only!) add %o3, %o1, %o3 -LOC(got_result): +.Lgot_result: retl mov %o3, %o0 |