use vfp mnemonics instead of p10 coprocessor ones in armhf fenv asm

mrc/mcr p10 coprocessor mnemonics are deprecated by some
toolchains.
This commit is contained in:
Szabolcs Nagy 2015-11-05 18:13:11 -05:00 committed by Rich Felker
parent 8984b5837a
commit 31d73a560b

View File

@ -3,17 +3,17 @@
.global fegetround
.type fegetround,%function
fegetround:
mrc p10, 7, r0, cr1, cr0, 0
fmrx r0, fpscr
and r0, r0, #0xc00000
bx lr
.global __fesetround
.type __fesetround,%function
__fesetround:
mrc p10, 7, r3, cr1, cr0, 0
fmrx r3, fpscr
bic r3, r3, #0xc00000
orr r3, r3, r0
mcr p10, 7, r3, cr1, cr0, 0
fmxr fpscr, r3
mov r0, #0
bx lr
@ -21,7 +21,7 @@ __fesetround:
.type fetestexcept,%function
fetestexcept:
and r0, r0, #0x1f
mrc p10, 7, r3, cr1, cr0, 0
fmrx r3, fpscr
and r0, r0, r3
bx lr
@ -29,9 +29,9 @@ fetestexcept:
.type feclearexcept,%function
feclearexcept:
and r0, r0, #0x1f
mrc p10, 7, r3, cr1, cr0, 0
fmrx r3, fpscr
bic r3, r3, r0
mcr p10, 7, r3, cr1, cr0, 0
fmxr fpscr, r3
mov r0, #0
bx lr
@ -39,16 +39,16 @@ feclearexcept:
.type feraiseexcept,%function
feraiseexcept:
and r0, r0, #0x1f
mrc p10, 7, r3, cr1, cr0, 0
fmrx r3, fpscr
orr r3, r3, r0
mcr p10, 7, r3, cr1, cr0, 0
fmxr fpscr, r3
mov r0, #0
bx lr
.global fegetenv
.type fegetenv,%function
fegetenv:
mrc p10, 7, r3, cr1, cr0, 0
fmrx r3, fpscr
str r3, [r0]
mov r0, #0
bx lr
@ -59,6 +59,6 @@ fesetenv:
cmn r0, #1
moveq r3, #0
ldrne r3, [r0]
mcr p10, 7, r3, cr1, cr0, 0
fmxr fpscr, r3
mov r0, #0
bx lr