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[RFC] PPC hardfpu for instructions that don't alter FPSCR.FI #80

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[RFC] PPC hardfpu for instructions that don't alter FPSCR.FI #80

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ec21fa8
target/ppc: Fix FPSCR.FI bit
vcoracolombo Mar 29, 2022
8d711f0
target/ppc: Remove FPSCR.FI changing in float_overflow_excp()
vcoracolombo Mar 30, 2022
5eb7170
target/ppc: Add invalid imz, isi and snan to do_float_check_status()
vcoracolombo Mar 30, 2022
7598a50
target/ppc: Rely on do_float_check_status for VSX_MADD invalid excepts
vcoracolombo Mar 30, 2022
8459a16
fpu: Activate hardfpu for PPC
vcoracolombo Mar 23, 2022
f31cd81
target/ppc: Make madd instructions work with hardfpu
vcoracolombo Mar 23, 2022
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8 changes: 3 additions & 5 deletions fpu/softfloat.c
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Original file line number Diff line number Diff line change
Expand Up @@ -220,11 +220,9 @@ GEN_INPUT_FLUSH3(float64_input_flush3, float64)
* the use of hardfloat, since hardfloat relies on the inexact flag being
* already set.
*/
#if defined(TARGET_PPC) || defined(__FAST_MATH__)
# if defined(__FAST_MATH__)
# warning disabling hardfloat due to -ffast-math: hardfloat requires an exact \
IEEE implementation
# endif
#if defined(__FAST_MATH__)
# warning disabling hardfloat due to -ffast-math: hardfloat requires an exact \
IEEE implementation
# define QEMU_NO_HARDFLOAT 1
# define QEMU_SOFTFLOAT_ATTR QEMU_FLATTEN
#else
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