diff options
Diffstat (limited to '')
| -rw-r--r-- | libc-top-half/musl/src/fenv/arm/fenv-hf.S | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/fenv/arm/fenv-hf.S b/libc-top-half/musl/src/fenv/arm/fenv-hf.S new file mode 100644 index 0000000..2a1de0d --- /dev/null +++ b/libc-top-half/musl/src/fenv/arm/fenv-hf.S @@ -0,0 +1,70 @@ +#if __ARM_PCS_VFP + +.syntax unified +.fpu vfp + +.global fegetround +.type fegetround,%function +fegetround: + fmrx r0, fpscr + and r0, r0, #0xc00000 + bx lr + +.global __fesetround +.hidden __fesetround +.type __fesetround,%function +__fesetround: + fmrx r3, fpscr + bic r3, r3, #0xc00000 + orr r3, r3, r0 + fmxr fpscr, r3 + mov r0, #0 + bx lr + +.global fetestexcept +.type fetestexcept,%function +fetestexcept: + and r0, r0, #0x1f + fmrx r3, fpscr + and r0, r0, r3 + bx lr + +.global feclearexcept +.type feclearexcept,%function +feclearexcept: + and r0, r0, #0x1f + fmrx r3, fpscr + bic r3, r3, r0 + fmxr fpscr, r3 + mov r0, #0 + bx lr + +.global feraiseexcept +.type feraiseexcept,%function +feraiseexcept: + and r0, r0, #0x1f + fmrx r3, fpscr + orr r3, r3, r0 + fmxr fpscr, r3 + mov r0, #0 + bx lr + +.global fegetenv +.type fegetenv,%function +fegetenv: + fmrx r3, fpscr + str r3, [r0] + mov r0, #0 + bx lr + +.global fesetenv +.type fesetenv,%function +fesetenv: + cmn r0, #1 + moveq r3, #0 + ldrne r3, [r0] + fmxr fpscr, r3 + mov r0, #0 + bx lr + +#endif |