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crti.asm (_init, _fini): Increase frame size to 64.

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* config/xtensa/crti.asm (_init, _fini): Increase frame size to 64.
        * config/xtensa/lib1funcs.asm (__mulsi3, __udivsi3, __divsi3,
        __umodsi3, __modsi3): Increase frame size to 32.

From-SVN: r69719
This commit is contained in:
Bob Wilson 2003-07-23 19:56:30 +00:00 • committed by Bob Wilson
parent 5f5bfdd010
commit 0715415659
3 changed files with 25 additions and 14 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2003-07-23 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/crti.asm (_init, _fini): Increase frame size to 64.
* config/xtensa/lib1funcs.asm (__mulsi3, __udivsi3, __divsi3,
__umodsi3, __modsi3): Increase frame size to 32.
2003-07-23 Geoffrey Keating <geoffk@apple.com> 2003-07-23 Geoffrey Keating <geoffk@apple.com>
* config/rs6000/host-darwin.c: ANSIfy, update comment for sigaltstack * config/rs6000/host-darwin.c: ANSIfy, update comment for sigaltstack

4
gcc/config/xtensa/crti.asm
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@ -34,11 +34,11 @@
.type _init,@function .type _init,@function
.align 4 .align 4
_init: _init:
entry sp, 40 entry sp, 64
.section .fini .section .fini
.globl _fini .globl _fini
.type _fini,@function .type _fini,@function
.align 4 .align 4
_fini: _fini:
entry sp, 40 entry sp, 64

29
gcc/config/xtensa/lib1funcs.asm
View file

@ -30,8 +30,13 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#include "xtensa-config.h" #include "xtensa-config.h"
# Define macros for the ABS and ADDX* instructions to handle cases # Note: These functions use a minimum stack frame size of 32. This is
# where they are not included in the Xtensa processor configuration. # necessary for Xtensa configurations that only support a fixed register
# window size of 8, where even leaf functions (such as these) need to
# allocate space for a 4-word "extra save area".
# Define macros for the ABS and ADDX* instructions to handle cases
# where they are not included in the Xtensa processor configuration.
.macro do_abs dst, src, tmp .macro do_abs dst, src, tmp
#if XCHAL_HAVE_ABS #if XCHAL_HAVE_ABS
@ -75,7 +80,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
.global __mulsi3 .global __mulsi3
.type __mulsi3,@function .type __mulsi3,@function
__mulsi3: __mulsi3:
entry sp, 16 entry sp, 32
#if XCHAL_HAVE_MUL16 #if XCHAL_HAVE_MUL16
or a4, a2, a3 or a4, a2, a3
@ -174,11 +179,11 @@ __mulsi3:
#endif /* L_mulsi3 */ #endif /* L_mulsi3 */
# Define a macro for the NSAU (unsigned normalize shift amount) # Define a macro for the NSAU (unsigned normalize shift amount)
# instruction, which computes the number of leading zero bits, # instruction, which computes the number of leading zero bits,
# to handle cases where it is not included in the Xtensa processor # to handle cases where it is not included in the Xtensa processor
# configuration. # configuration.
.macro do_nsau cnt, val, tmp, a .macro do_nsau cnt, val, tmp, a
#if XCHAL_HAVE_NSA #if XCHAL_HAVE_NSA
nsau \cnt, \val nsau \cnt, \val
@ -237,7 +242,7 @@ __nsau_data:
.global __udivsi3 .global __udivsi3
.type __udivsi3,@function .type __udivsi3,@function
__udivsi3: __udivsi3:
entry sp, 16 entry sp, 32
bltui a3, 2, .Lle_one # check if the divisor <= 1 bltui a3, 2, .Lle_one # check if the divisor <= 1
mov a6, a2 # keep dividend in a6 mov a6, a2 # keep dividend in a6
@ -296,7 +301,7 @@ __udivsi3:
.global __divsi3 .global __divsi3
.type __divsi3,@function .type __divsi3,@function
__divsi3: __divsi3:
entry sp, 16 entry sp, 32
xor a7, a2, a3 # sign = dividend ^ divisor xor a7, a2, a3 # sign = dividend ^ divisor
do_abs a6, a2, a4 # udividend = abs(dividend) do_abs a6, a2, a4 # udividend = abs(dividend)
do_abs a3, a3, a4 # udivisor = abs(divisor) do_abs a3, a3, a4 # udivisor = abs(divisor)
@ -361,7 +366,7 @@ __divsi3:
.global __umodsi3 .global __umodsi3
.type __umodsi3,@function .type __umodsi3,@function
__umodsi3: __umodsi3:
entry sp, 16 entry sp, 32
bltui a3, 2, .Lle_one # check if the divisor is <= 1 bltui a3, 2, .Lle_one # check if the divisor is <= 1
do_nsau a5, a2, a6, a7 # dividend_shift = nsau(dividend) do_nsau a5, a2, a6, a7 # dividend_shift = nsau(dividend)
@ -413,7 +418,7 @@ __umodsi3:
.global __modsi3 .global __modsi3
.type __modsi3,@function .type __modsi3,@function
__modsi3: __modsi3:
entry sp, 16 entry sp, 32
mov a7, a2 # save original (signed) dividend mov a7, a2 # save original (signed) dividend
do_abs a2, a2, a4 # udividend = abs(dividend) do_abs a2, a2, a4 # udividend = abs(dividend)
do_abs a3, a3, a4 # udivisor = abs(divisor) do_abs a3, a3, a4 # udivisor = abs(divisor)