diff options
Diffstat (limited to 'src/fenv/powerpc/fenv.s')
-rw-r--r-- | src/fenv/powerpc/fenv.s | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/src/fenv/powerpc/fenv.s b/src/fenv/powerpc/fenv.s deleted file mode 100644 index e34a9990..00000000 --- a/src/fenv/powerpc/fenv.s +++ /dev/null @@ -1,123 +0,0 @@ -.global feclearexcept -.type feclearexcept,@function -feclearexcept: - andis. 3,3,0x3e00 - # if (r3 & FE_INVALID) r3 |= all_invalid_flags - andis. 0,3,0x2000 - stwu 1,-16(1) - beq- 0,1f - oris 3,3,0x01f8 - ori 3,3,0x0700 -1: - # note: fpscr contains various fpu status and control - # flags and we dont check if r3 may alter other flags - # than the exception related ones - # fpscr &= ~r3 - mffs 0 - stfd 0,8(1) - lwz 9,12(1) - andc 9,9,3 - stw 9,12(1) - lfd 0,8(1) - mtfsf 255,0 - - # return 0 - li 3,0 - addi 1,1,16 - blr - -.global feraiseexcept -.type feraiseexcept,@function -feraiseexcept: - andis. 3,3,0x3e00 - # if (r3 & FE_INVALID) r3 |= software_invalid_flag - andis. 0,3,0x2000 - stwu 1,-16(1) - beq- 0,1f - ori 3,3,0x0400 -1: - # fpscr |= r3 - mffs 0 - stfd 0,8(1) - lwz 9,12(1) - or 9,9,3 - stw 9,12(1) - lfd 0,8(1) - mtfsf 255,0 - - # return 0 - li 3,0 - addi 1,1,16 - blr - -.global fetestexcept -.type fetestexcept,@function -fetestexcept: - andis. 3,3,0x3e00 - # return r3 & fpscr - stwu 1,-16(1) - mffs 0 - stfd 0,8(1) - lwz 9,12(1) - addi 1,1,16 - and 3,3,9 - blr - -.global fegetround -.type fegetround,@function -fegetround: - # return fpscr & 3 - stwu 1,-16(1) - mffs 0 - stfd 0,8(1) - lwz 3,12(1) - addi 1,1,16 - clrlwi 3,3,30 - blr - -.global __fesetround -.type __fesetround,@function -__fesetround: - # note: invalid input is not checked, r3 < 4 must hold - # fpscr = (fpscr & -4U) | r3 - stwu 1,-16(1) - mffs 0 - stfd 0,8(1) - lwz 9,12(1) - clrrwi 9,9,2 - or 9,9,3 - stw 9,12(1) - lfd 0,8(1) - mtfsf 255,0 - - # return 0 - li 3,0 - addi 1,1,16 - blr - -.global fegetenv -.type fegetenv,@function -fegetenv: - # *r3 = fpscr - mffs 0 - stfd 0,0(3) - # return 0 - li 3,0 - blr - -.global fesetenv -.type fesetenv,@function -fesetenv: - cmpwi 3, -1 - bne 1f - mflr 4 - bl 2f - .zero 8 -2: mflr 3 - mtlr 4 -1: # fpscr = *r3 - lfd 0,0(3) - mtfsf 255,0 - # return 0 - li 3,0 - blr |