Updates from 0.2.1 into 0.2.1-inu-1.5

This commit is contained in:
Akinori Ito
2001-11-09 04:59:17 +00:00
parent 68a07bf03b
commit 6c63633545
246 changed files with 32763 additions and 21814 deletions

View File

@@ -1,60 +1,87 @@
# $Id: alpha_mach_dep.s,v 1.1 2001/11/08 05:17:06 a-ito Exp $
# $Id: alpha_mach_dep.s,v 1.2 2001/11/09 04:59:18 a-ito Exp $
.arch ev6
# define call_push(x) \
lda $16, 0(x); /* copy x to first argument register */ \
jsr $26, GC_push_one; /* call GC_push_one, ret addr in $26 */ \
ldgp $gp, 0($26) /* restore $gp register from $ra */
.text
.align 4
.globl GC_push_regs
.ent GC_push_regs 2
GC_push_regs:
ldgp $gp, 0($27) # set gp from the procedure value reg
lda $sp, -32($sp) # make stack frame
stq $26, 8($sp) # save return address
.mask 0x04000000, -8
ldgp $gp, 0($27)
lda $sp, -16($sp)
stq $26, 0($sp)
.mask 0x04000000, 0
.frame $sp, 16, $26, 0
# call_push($0) # expression eval and int func result
# $0 integer result
# $1-$8 temp regs - not preserved cross calls
# $9-$15 call saved regs
# $16-$21 argument regs - not preserved cross calls
# $22-$28 temp regs - not preserved cross calls
# $29 global pointer - not preserved cross calls
# $30 stack pointer
# call_push($1) # temp regs - not preserved cross calls
# call_push($2)
# call_push($3)
# call_push($4)
# call_push($5)
# call_push($6)
# call_push($7)
# call_push($8)
call_push($9) # Saved regs
# define call_push(x) \
mov x, $16; \
jsr $26, GC_push_one; \
ldgp $gp, 0($26)
call_push($9)
call_push($10)
call_push($11)
call_push($12)
call_push($13)
call_push($14)
call_push($15)
call_push($15) # frame ptr or saved reg
# $f0-$f1 floating point results
# $f2-$f9 call saved regs
# $f10-$f30 temp regs - not preserved cross calls
# call_push($16) # argument regs - not preserved cross calls
# call_push($17)
# call_push($18)
# call_push($19)
# call_push($20)
# call_push($21)
# Use the most efficient transfer method for this hardware.
# Bit 1 detects the FIX extension, which includes ftoit.
amask 2, $0
bne $0, $use_stack
# call_push($22) # temp regs - not preserved cross calls
# call_push($23)
# call_push($24)
# call_push($25)
#undef call_push
#define call_push(x) \
ftoit x, $16; \
jsr $26, GC_push_one; \
ldgp $gp, 0($26)
# call_push($26) # return address - expression eval
# call_push($27) # procedure value or temporary reg
# call_push($28) # assembler temp - not presrved
call_push($29) # Global Pointer
# call_push($30) # Stack Pointer
call_push($f2)
call_push($f3)
call_push($f4)
call_push($f5)
call_push($f6)
call_push($f7)
call_push($f8)
call_push($f9)
ldq $26, 0($sp)
lda $sp, 16($sp)
ret $31, ($26), 1
.align 4
$use_stack:
#undef call_push
#define call_push(x) \
stt x, 8($sp); \
ldq $16, 8($sp); \
jsr $26, GC_push_one; \
ldgp $gp, 0($26)
call_push($f2)
call_push($f3)
call_push($f4)
call_push($f5)
call_push($f6)
call_push($f7)
call_push($f8)
call_push($f9)
ldq $26, 0($sp)
lda $sp, 16($sp)
ret $31, ($26), 1
ldq $26, 8($sp) # restore return address
lda $sp, 32($sp) # pop stack frame
ret $31, ($26), 1 # return ($31 == hardwired zero)
.end GC_push_regs