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- .arch ev6
- .text
- .align 4
- .globl GC_push_regs
- .ent GC_push_regs 2
- GC_push_regs:
- ldgp $gp, 0($27)
- lda $sp, -16($sp)
- stq $26, 0($sp)
- .mask 0x04000000, 0
- .frame $sp, 16, $26, 0
- /* $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 */
- # 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)
- /* $f0-$f1 floating point results */
- /* $f2-$f9 call saved regs */
- /* $f10-$f30 temp regs - not preserved cross calls */
- /* 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
- #undef call_push
- #define call_push(x) \
- ftoit x, $16; \
- 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
- .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
- .end GC_push_regs
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