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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/m32r/lib/ashxdi3.S
Initial import
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+/*
+ * 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