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Floating-point instructions that update the condition flags

The only A32/T32 floating-point instructions that can update the condition flags are VCMP and VCMPE. Other floating-point or Advanced SIMD instructions cannot modify the flags.

VCMP and VCMPE do not update the flags directly, but update a separate set of flags in the Floating-Point Status and Control Register (FPSCR). To use these flags to control conditional instructions, including conditional floating-point instructions, you must first update the condition flags yourself. To do this, copy the flags from the FPSCR into the APSR using a VMRS instruction: