diff options
Diffstat (limited to 'kernel/arch/m32r/lib/ashxdi3.S')
| -rw-r--r-- | kernel/arch/m32r/lib/ashxdi3.S | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/kernel/arch/m32r/lib/ashxdi3.S b/kernel/arch/m32r/lib/ashxdi3.S new file mode 100644 index 000000000..7fc0c1980 --- /dev/null +++ b/kernel/arch/m32r/lib/ashxdi3.S @@ -0,0 +1,293 @@ +/* + * linux/arch/m32r/lib/ashxdi3.S + * + * Copyright (C) 2001,2002 Hiroyuki Kondo, and Hirokazu Takata + * + */ + +; +; input (r0,r1) src +; input r2 shift val +; r3 scratch +; output (r0,r1) +; + +#ifdef CONFIG_ISA_DUAL_ISSUE + +#ifndef __LITTLE_ENDIAN__ + + .text + .align 4 + .globl __ashrdi3 +__ashrdi3: + cmpz r2 || ldi r3, #32 + jc r14 || cmpu r2, r3 + bc 1f + ; case 32 =< shift + mv r1, r0 || srai r0, #31 + addi r2, #-32 + sra r1, r2 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r0 || srl r1, r2 + sra r0, r2 || neg r2, r2 + sll r3, r2 + or r1, r3 || jmp r14 + + .align 4 + .globl __ashldi3 + .globl __lshldi3 +__ashldi3: +__lshldi3: + cmpz r2 || ldi r3, #32 + jc r14 || cmpu r2, r3 + bc 1f + ; case 32 =< shift + mv r0, r1 || addi r2, #-32 + sll r0, r2 || ldi r1, #0 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r1 || sll r0, r2 + sll r1, r2 || neg r2, r2 + srl r3, r2 + or r0, r3 || jmp r14 + + .align 4 + .globl __lshrdi3 +__lshrdi3: + cmpz r2 || ldi r3, #32 + jc r14 || cmpu r2, r3 + bc 1f + ; case 32 =< shift + mv r1, r0 || addi r2, #-32 + ldi r0, #0 || srl r1, r2 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r0 || srl r1, r2 + srl r0, r2 || neg r2, r2 + sll r3, r2 + or r1, r3 || jmp r14 + +#else /* LITTLE_ENDIAN */ + + .text + .align 4 + .globl __ashrdi3 +__ashrdi3: + cmpz r2 || ldi r3, #32 + jc r14 || cmpu r2, r3 + bc 1f + ; case 32 =< shift + mv r0, r1 || srai r1, #31 + addi r2, #-32 + sra r0, r2 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r1 || srl r0, r2 + sra r1, r2 || neg r2, r2 + sll r3, r2 + or r0, r3 || jmp r14 + + .align 4 + .globl __ashldi3 + .globl __lshldi3 +__ashldi3: +__lshldi3: + cmpz r2 || ldi r3, #32 + jc r14 || cmpu r2, r3 + bc 1f + ; case 32 =< shift + mv r1, r0 || addi r2, #-32 + sll r1, r2 || ldi r0, #0 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r0 || sll r1, r2 + sll r0, r2 || neg r2, r2 + srl r3, r2 + or r1, r3 || jmp r14 + + .align 4 + .globl __lshrdi3 +__lshrdi3: + cmpz r2 || ldi r3, #32 + jc r14 || cmpu r2, r3 + bc 1f + ; case 32 =< shift + mv r0, r1 || addi r2, #-32 + ldi r1, #0 || srl r0, r2 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r1 || srl r0, r2 + srl r1, r2 || neg r2, r2 + sll r3, r2 + or r0, r3 || jmp r14 + +#endif + +#else /* not CONFIG_ISA_DUAL_ISSUE */ + +#ifndef __LITTLE_ENDIAN__ + + .text + .align 4 + .globl __ashrdi3 +__ashrdi3: + beqz r2, 2f + cmpui r2, #32 + bc 1f + ; case 32 =< shift + mv r1, r0 + srai r0, #31 + addi r2, #-32 + sra r1, r2 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r0 + srl r1, r2 + sra r0, r2 + neg r2, r2 + sll r3, r2 + or r1, r3 + .fillinsn +2: + jmp r14 + + .align 4 + .globl __ashldi3 + .globl __lshldi3 +__ashldi3: +__lshldi3: + beqz r2, 2f + cmpui r2, #32 + bc 1f + ; case 32 =< shift + mv r0, r1 + addi r2, #-32 + sll r0, r2 + ldi r1, #0 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r1 + sll r0, r2 + sll r1, r2 + neg r2, r2 + srl r3, r2 + or r0, r3 + .fillinsn +2: + jmp r14 + + .align 4 + .globl __lshrdi3 +__lshrdi3: + beqz r2, 2f + cmpui r2, #32 + bc 1f + ; case 32 =< shift + mv r1, r0 + ldi r0, #0 + addi r2, #-32 + srl r1, r2 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r0 + srl r1, r2 + srl r0, r2 + neg r2, r2 + sll r3, r2 + or r1, r3 + .fillinsn +2: + jmp r14 + +#else + + .text + .align 4 + .globl __ashrdi3 +__ashrdi3: + beqz r2, 2f + cmpui r2, #32 + bc 1f + ; case 32 =< shift + mv r0, r1 + srai r1, #31 + addi r2, #-32 + sra r0, r2 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r1 + srl r0, r2 + sra r1, r2 + neg r2, r2 + sll r3, r2 + or r0, r3 + .fillinsn +2: + jmp r14 + + .align 4 + .globl __ashldi3 + .globl __lshldi3 +__ashldi3: +__lshldi3: + beqz r2, 2f + cmpui r2, #32 + bc 1f + ; case 32 =< shift + mv r1, r0 + addi r2, #-32 + sll r1, r2 + ldi r0, #0 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r0 + sll r1, r2 + sll r0, r2 + neg r2, r2 + srl r3, r2 + or r1, r3 + .fillinsn +2: + jmp r14 + + .align 4 + .globl __lshrdi3 +__lshrdi3: + beqz r2, 2f + cmpui r2, #32 + bc 1f + ; case 32 =< shift + mv r0, r1 + ldi r1, #0 + addi r2, #-32 + srl r0, r2 + jmp r14 + .fillinsn +1: ; case shift <32 + mv r3, r1 + srl r0, r2 + srl r1, r2 + neg r2, r2 + sll r3, r2 + or r0, r3 + .fillinsn +2: + jmp r14 + +#endif + +#endif /* not CONFIG_ISA_DUAL_ISSUE */ + + .end |