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riscv-gcc-1
Commit cdd9eb8f by Denis Chertykov Committed by Richard Henderson
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Denis Chertykov <denisc@overta.ru> 

        * avr.c (print_operand): Use print_operand_address instead of
        output_addr_const.
        * avr/libgcc.S: Cleanup code.

From-SVN: r32305
parent e68c380c
Showing with 103 additions and 120 deletions
gcc/ChangeLog
2000-03-02 Denis Chertykov <denisc@overta.ru>
* avr.c (print_operand): Use print_operand_address instead of
output_addr_const.
* avr/libgcc.S: Cleanup code.
2000-03-02 Richard Henderson <rth@cygnus.com>
* alpha.c (alpha_emit_set_const_1): Also try c + small constant.
......
gcc/config/avr/avr.c
......@@ -911,7 +911,7 @@ print_operand (file, x, code)
else if (code == 'k')
asm_fprintf (file, cond_string (reverse_condition (GET_CODE (x))));
else
output_addr_const (file, x);
print_operand_address (file, x);
}
/* Recognise operand OP of mode MODE used in call instructions */
......
gcc/config/avr/libgcc.S
......@@ -32,18 +32,14 @@ Boston, MA 02111-1307, USA. */
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
#define TEXT_SEG(x) .section .text.libgcc ; x
#define GLOBAL(x) .global _##x
#define FUNCTION(x) .func _##x
#define LABEL(x) _##x##:
#define ENDFUNC .endfunc
#define __zero_reg__ r1
#define __tmp_reg__ r0
#define __SREG__ 0x3f
#define __SP_H__ 0x3e
#define __SP_L__ 0x3d
.section .text.libgcc
/*******************************************************
Multiplication 8 x 8
*******************************************************/
......@@ -53,13 +49,12 @@ Boston, MA 02111-1307, USA. */
#define r_arg1 r24 /* multiplier */
#define r_res __tmp_reg__ /* result */
TEXT_SEG(mulqi3)
GLOBAL (mulqi3)
FUNCTION (mulqi3)
LABEL(mulqi3)
.global _mulqi3
.func _mulqi3
_mulqi3:
GLOBAL (umulqi3)
LABEL(umulqi3)
.global _umulqi3
_umulqi3:
clr r_res ; clear result
__mulqi3_loop:
sbrc r_arg1,0
......@@ -76,7 +71,7 @@ __mulqi3_exit:
#undef r_arg1
#undef r_res
ENDFUNC
.endfunc
#endif /* defined (Lmulqi3) */
......@@ -91,13 +86,12 @@ ENDFUNC
#define r_resL r20 /* result Low */
#define r_resH r21 /* result High */
TEXT_SEG(mulhi3)
GLOBAL (mulhi3)
FUNCTION (mulhi3)
LABEL(mulhi3)
.global _mulhi3
.func _mulhi3
_mulhi3:
GLOBAL (umulhi3)
LABEL(umulhi3)
.global _umulhi3
_umulhi3:
clr r_resH ; clear result
clr r_resL ; clear result
......@@ -129,7 +123,7 @@ __mulhi3_exit:
#undef r_resL
#undef r_resH
ENDFUNC
.endfunc
#endif /* defined (Lmulhi3) */
#if defined (Lmulsi3)
......@@ -153,13 +147,12 @@ ENDFUNC
#define r_resHH r31 /* result High */
TEXT_SEG(mulsi3)
GLOBAL (mulsi3)
FUNCTION (mulsi3)
LABEL(mulsi3)
.global _mulsi3
.func _mulsi3
_mulsi3:
GLOBAL (umulsi3)
LABEL(umulsi3)
.global _umulsi3
_umulsi3:
clr r_resHH ; clear result
clr r_resHL ; clear result
clr r_resH ; clear result
......@@ -207,7 +200,7 @@ __mulsi3_exit:
#undef r_resHL
#undef r_resHH
ENDFUNC
.endfunc
#endif /* defined (Lmulsi3) */
/*******************************************************
......@@ -220,46 +213,42 @@ ENDFUNC
#if defined (Lumodqi3)
TEXT_SEG(divqi3)
GLOBAL (umodqi3)
FUNCTION (umodqi3)
LABEL(umodqi3)
.global _umodqi3
.func _umodqi3
_umodqi3:
clt
rcall _udivqi3
mov r24,r_rem
ret
ENDFUNC
.endfunc
#endif /* defined (Lumodqi3) */
#if defined (Ludivqi3)
TEXT_SEG(divqi3)
GLOBAL (udivqi3)
FUNCTION (udivqi3)
LABEL(udivqi3)
.global _udivqi3
.func _udivqi3
_udivqi3:
clr __tmp_reg__
rjmp _divqi_raw
ENDFUNC
.endfunc
#endif /* defined (Ludivqi3) */
#if defined (Lmodqi3)
TEXT_SEG (divqi3)
GLOBAL (moqhi3)
FUNCTION (moqhi3)
LABEL (modqi3)
.global _moqhi3
.func _moqhi3
_modqi3:
rcall _divqi3
mov r24,r_rem
ret
ENDFUNC
.endfunc
#endif /* defined (Lmodqi3) */
#if defined (Ldivqi3)
TEXT_SEG(divqi3)
GLOBAL (divqi3)
FUNCTION (divqi3)
LABEL(divqi3)
.global _divqi3
.func _divqi3
_divqi3:
bst r_arg1,7 ; store sign of divident
mov __tmp_reg__,r_arg1
eor __tmp_reg__,r_arg2; r0.7 is sign of result
......@@ -267,8 +256,8 @@ LABEL(divqi3)
neg r_arg1 ; divident negative : negate
sbrc r_arg2,7
neg r_arg2 ; divisor negative : negate
GLOBAL (divqi_raw)
LABEL (divqi_raw)
.global _divqi_raw
_divqi_raw:
sub r_rem,r_rem ; clear remainder and carry
ldi r_cnt,9 ; init loop counter
rjmp __divqi3_ep ; jump to entry point
......@@ -291,7 +280,7 @@ __divqi3_1:
__divqi3_exit:
mov r24,r_arg1 ; put result to return register
ret
ENDFUNC
.endfunc
#endif /* defined (Ldivqi3) */
#undef r_rem
......@@ -315,53 +304,49 @@ ENDFUNC
#define r_cnt r21 /* loop count */
#if defined (Lumodhi3)
TEXT_SEG (divhi3)
GLOBAL (umodhi3)
FUNCTION (umodhi3)
LABEL (umodhi3)
.global _umodhi3
.func _umodhi3
_umodhi3:
clt
rcall _udivhi3
GLOBAL (umodhi3_ret)
LABEL (umodhi3_ret)
.global _umodhi3_ret
_umodhi3_ret:
mov r24,r_remL
mov r25,r_remH
ret
ENDFUNC
.endfunc
#endif /* defined (Lumodhi3) */
#if defined (Ludivhi3)
TEXT_SEG (divhi3)
GLOBAL (udivhi3)
FUNCTION (udivhi3)
LABEL (udivhi3)
.global _udivhi3
.func _udivhi3
_udivhi3:
clr __tmp_reg__
rjmp _divhi_raw
ENDFUNC
.endfunc
#endif /* defined (Ludivhi3) */
#if defined (Lmodhi3)
TEXT_SEG (divhi3)
GLOBAL (modhi3)
FUNCTION (modhi3)
LABEL (modhi3)
GLOBAL (div)
LABEL (div)
.global _modhi3
.func _modhi3
_modhi3:
.global _div
_div:
rcall _divhi3
mov r22,r24 ; needed for div () function
mov r23,r25
rjmp _umodhi3_ret
ENDFUNC
.endfunc
#endif /* defined (Lmodhi3) */
#if defined (Ldivhi3)
TEXT_SEG (divhi3)
GLOBAL (divhi3)
FUNCTION (divhi3)
LABEL (divhi3)
.global _divhi3
.func _divhi3
_divhi3:
bst r_arg1H,7 ; store sign of divident
mov __tmp_reg__,r_arg1H
eor __tmp_reg__,r_arg2H ; r0.7 is sign of result
......@@ -376,8 +361,8 @@ __divhi3_skip1:
neg r_arg2L ; divisor negative : negate
sbci r_arg2H,0xff
__divhi3_skip2:
GLOBAL (divhi_raw)
LABEL (divhi_raw)
.global _divhi_raw
_divhi_raw:
sub r_remL,r_remL
sub r_remH,r_remH ; clear remainder and carry
ldi r_cnt,17 ; init loop counter
......@@ -408,7 +393,7 @@ __divhi3_exit:
com r_arg1L
com r_arg1H
ret
ENDFUNC
.endfunc
#endif /* defined (Ldivhi3) */
#undef r_remH
......@@ -444,58 +429,54 @@ ENDFUNC
#if defined (Lumodsi3)
TEXT_SEG(divsi3)
GLOBAL (umodsi3)
FUNCTION (umodsi3)
LABEL(umodsi3)
.global _umodsi3
.func _umodsi3
_umodsi3:
clt
rcall _udivsi3
GLOBAL (umodsi3_ret)
LABEL (umodsi3_ret)
.global _umodsi3_ret
_umodsi3_ret:
mov r25,r_remHH
mov r24,r_remHL
mov r23,r_remH
mov r22,r_remL
GLOBAL (cleanup)
LABEL (cleanup)
.global _cleanup
_cleanup:
ret
ENDFUNC
.endfunc
#endif /* defined (Lumodsi3) */
#if defined (Ludivsi3)
TEXT_SEG(divsi3)
GLOBAL (udivsi3)
FUNCTION (udivsi3)
LABEL(udivsi3)
.global _udivsi3
.func _udivsi3
_udivsi3:
clr __tmp_reg__
rjmp _divsi_raw
ENDFUNC
.endfunc
#endif /* defined (Ludivsi3) */
#if defined (Lmodsi3)
TEXT_SEG (divsi3)
GLOBAL (modsi3)
FUNCTION (modsi3)
LABEL (modsi3)
GLOBAL (ldiv)
LABEL (ldiv)
.global _modsi3
.func _modsi3
_modsi3:
.global _ldiv
_ldiv:
rcall _divsi3
mov r18,r22 /* Needed for ldiv */
mov r19,r23
mov r20,r24
mov r21,r25
rjmp _umodsi3_ret
ENDFUNC
.endfunc
#endif /* defined (Lmodsi3) */
#if defined (Ldivsi3)
TEXT_SEG(divsi3)
GLOBAL (divsi3)
FUNCTION (divsi3)
LABEL(divsi3)
.global _divsi3
.func _divsi3
_divsi3:
bst r_arg1HH,7 ; store sign of divident
mov __tmp_reg__,r_arg1HH
eor __tmp_reg__,r_arg2HH ; r0.7 is sign of result
......@@ -518,8 +499,8 @@ __divsi3_skip1:
sbci r_arg2HL,0xff
sbci r_arg2HH,0xff
__divsi3_skip2:
GLOBAL (divsi_raw)
LABEL (divsi_raw)
.global _divsi_raw
_divsi_raw:
push r_cnt
sub r_remL,r_remL
sub r_remH,r_remH
......@@ -571,7 +552,7 @@ __divsi3_exit:
com r_arg1HL
com r_arg1HH
ret
ENDFUNC
.endfunc
#endif /* defined (Ldivsi3) */
/**********************************
......@@ -579,10 +560,9 @@ ENDFUNC
**********************************/
#if defined (Lprologue)
TEXT_SEG (_prologue_saves)
GLOBAL (_prologue_saves__)
FUNCTION (_prologue_saves__)
LABEL (_prologue_saves__)
.global __prologue_saves__
.func __prologue_saves__
__prologue_saves__:
push r2
push r3
push r4
......@@ -614,7 +594,7 @@ LABEL (_prologue_saves__)
out __SP_H__,r29
_prologue_end:
ijmp
ENDFUNC
.endfunc
#endif /* defined (Lprologue) */
/*
......@@ -622,10 +602,9 @@ ENDFUNC
*/
#if defined (Lepilogue)
TEXT_SEG (_epilogue_restores)
GLOBAL (_epilogue_restores__)
FUNCTION (_epilogue_restores__)
LABEL (_epilogue_restores__)
.global __epilogue_restores__
.func __epilogue_restores__
__epilogue_restores__:
ldd r2,Y+18
ldd r3,Y+17
ldd r4,Y+16
......@@ -657,10 +636,9 @@ LABEL (_epilogue_restores__)
#endif /* defined (Lepilogue) */
#ifdef L__exit
TEXT_SEG(exit)
GLOBAL (exit)
FUNCTION (exit)
LABEL(exit)
.global _exit
.func _exit
_exit:
rjmp _exit
ENDFUNC
#endif
\ No newline at end of file
.endfunc
#endif
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