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llvm-mirror/test/MC/ARM/directive-arch_extension-fp.s
Saleem Abdulrasool a8620ea425 ARM: correct handling of features in arch_extension
The subtarget information is the ultimate source of truth for the feature set
that is enabled at this point.  We would previously not propagate the feature
information to the subtarget.  While this worked for the most part (features
would be enabled/disabled as requested), if another operation that changed the
feature bits was encountered (such as a mode switch via a .arm or .thumb
directive), we would end up resetting the behaviour of the architectural
extensions.

Handling this properly requires a slightly more complicated handling.  We need
to check if the feature is now being toggled.  If so, only then do we toggle the
features.  In return, we no longer have to calculate the feature bits ourselves.

The test changes are mostly to the diagnosis, which is now more uniform (a nice
side effect!).  Add an additional test to ensure that we handle this case
properly.

Thanks to Nico Weber for alerting me to this issue!

llvm-svn: 214057
2014-07-27 19:07:09 +00:00

284 lines
9.3 KiB
ArmAsm

@ RUN: not llvm-mc -triple armv7-eabi -filetype asm -o /dev/null 2>&1 %s \
@ RUN: | FileCheck %s -check-prefix CHECK-V7 -check-prefix CHECK
@ RUN: not llvm-mc -triple armv8-eabi -filetype asm -o /dev/null 2>&1 %s \
@ RUN: | FileCheck %s -check-prefix CHECK-V8 -check-prefix CHECK
@ RUN: not llvm-mc -triple thumbv7-eabi -filetype asm -o /dev/null 2>&1 %s \
@ RUN: | FileCheck %s -check-prefix CHECK-V7 -check-prefix CHECK
@ RUN: not llvm-mc -triple thumbv8-eabi -filetype asm -o /dev/null 2>&1 %s \
@ RUN: | FileCheck %s -check-prefix CHECK-V8 -check-prefix CHECK
.syntax unified
.arch_extension fp
@ CHECK-V7: error: architectural extension 'fp' is not allowed for the current base architecture
@ CHECK-V7-NEXT: .arch_extension fp
@ CHECK-V7-NEXT: ^
.type fp,%function
fp:
vmrs r0, mvfr2
@ CHECK-V7: error: instruction requires: FPARMv8
vselgt.f32 s0, s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vselge.f32 s0, s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vseleq.f32 s0, s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vselvs.f32 s0, s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vmaxnm.f32 s0, s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vminnm.f32 s0, s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vselgt.f64 d0, d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vselge.f64 d0, d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vseleq.f64 d0, d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vselvs.f64 d0, d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vmaxnm.f64 d0, d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vminnm.f64 d0, d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtb.f64.f16 d0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtb.f16.f64 s0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtt.f64.f16 d0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtt.f16.f64 s0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvta.s32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvta.u32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvta.s32.f64 s0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvta.u32.f64 s0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtn.s32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtn.u32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtn.s32.f64 s0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtn.u32.f64 s0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtp.s32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtp.u32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtp.s32.f64 s0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtp.u32.f64 s0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtm.s32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtm.u32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtm.s32.f64 s0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vcvtm.u32.f64 s0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintz.f32 s0, s1
@ CHECK-V7: error: instruction requires: FPARMv8
vrintz.f64 d0, d1
@ CHECK-V7: error: instruction requires: FPARMv8
vrintz.f32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintz.f64.f64 d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintr.f32 s0, s1
@ CHECK-V7: error: instruction requires: FPARMv8
vrintr.f64 d0, d1
@ CHECK-V7: error: instruction requires: FPARMv8
vrintr.f32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintr.f64.f64 d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintx.f32 s0, s1
@ CHECK-V7: error: instruction requires: FPARMv8
vrintx.f64 d0, d1
@ CHECK-V7: error: instruction requires: FPARMv8
vrintx.f32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintx.f64.f64 d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vrinta.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vrinta.f64 d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vrinta.f32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vrinta.f64.f64 d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintn.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintn.f64 d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintn.f32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintn.f64.f64 d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintp.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintp.f64 d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintp.f32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintp.f64.f64 d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintm.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintm.f64 d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintm.f32.f32 s0, s0
@ CHECK-V7: error: instruction requires: FPARMv8
vrintm.f64.f64 d0, d0
@ CHECK-V7: error: instruction requires: FPARMv8
.arch_extension nofp
@ CHECK-V7: error: architectural extension 'fp' is not allowed for the current base architecture
@ CHECK-V7-NEXT: .arch_extension nofp
@ CHECK-V7-NEXT: ^
.type nofp,%function
nofp:
vmrs r0, mvfr2
@ CHECK: error: instruction requires: FPARMv8
vselgt.f32 s0, s0, s0
@ CHECK: error: instruction requires: FPARMv8
vselge.f32 s0, s0, s0
@ CHECK: error: instruction requires: FPARMv8
vseleq.f32 s0, s0, s0
@ CHECK: error: instruction requires: FPARMv8
vselvs.f32 s0, s0, s0
@ CHECK: error: instruction requires: FPARMv8
vmaxnm.f32 s0, s0, s0
@ CHECK: error: instruction requires: FPARMv8
vminnm.f32 s0, s0, s0
@ CHECK: error: instruction requires: FPARMv8
vselgt.f64 d0, d0, d0
@ CHECK: error: instruction requires: FPARMv8
vselge.f64 d0, d0, d0
@ CHECK: error: instruction requires: FPARMv8
vseleq.f64 d0, d0, d0
@ CHECK: error: instruction requires: FPARMv8
vselvs.f64 d0, d0, d0
@ CHECK: error: instruction requires: FPARMv8
vmaxnm.f64 d0, d0, d0
@ CHECK: error: instruction requires: FPARMv8
vminnm.f64 d0, d0, d0
@ CHECK: error: instruction requires: FPARMv8
vcvtb.f64.f16 d0, s0
@ CHECK: error: instruction requires: FPARMv8
vcvtb.f16.f64 s0, d0
@ CHECK: error: instruction requires: FPARMv8
vcvtt.f64.f16 d0, s0
@ CHECK: error: instruction requires: FPARMv8
vcvtt.f16.f64 s0, d0
@ CHECK: error: instruction requires: FPARMv8
vcvta.s32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vcvta.u32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vcvta.s32.f64 s0, d0
@ CHECK: error: instruction requires: FPARMv8
vcvta.u32.f64 s0, d0
@ CHECK: error: instruction requires: FPARMv8
vcvtn.s32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vcvtn.u32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vcvtn.s32.f64 s0, d0
@ CHECK: error: instruction requires: FPARMv8
vcvtn.u32.f64 s0, d0
@ CHECK: error: instruction requires: FPARMv8
vcvtp.s32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vcvtp.u32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vcvtp.s32.f64 s0, d0
@ CHECK: error: instruction requires: FPARMv8
vcvtp.u32.f64 s0, d0
@ CHECK: error: instruction requires: FPARMv8
vcvtm.s32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vcvtm.u32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vcvtm.s32.f64 s0, d0
@ CHECK: error: instruction requires: FPARMv8
vcvtm.u32.f64 s0, d0
@ CHECK: error: instruction requires: FPARMv8
vrintz.f32 s0, s1
@ CHECK: error: instruction requires: FPARMv8
vrintz.f64 d0, d1
@ CHECK: error: instruction requires: FPARMv8
vrintz.f32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vrintz.f64.f64 d0, d0
@ CHECK: error: instruction requires: FPARMv8
vrintr.f32 s0, s1
@ CHECK: error: instruction requires: FPARMv8
vrintr.f64 d0, d1
@ CHECK: error: instruction requires: FPARMv8
vrintr.f32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vrintr.f64.f64 d0, d0
@ CHECK: error: instruction requires: FPARMv8
vrintx.f32 s0, s1
@ CHECK: error: instruction requires: FPARMv8
vrintx.f64 d0, d1
@ CHECK: error: instruction requires: FPARMv8
vrintx.f32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vrintx.f64.f64 d0, d0
@ CHECK: error: instruction requires: FPARMv8
vrinta.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vrinta.f64 d0, d0
@ CHECK: error: instruction requires: FPARMv8
vrinta.f32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vrinta.f64.f64 d0, d0
@ CHECK: error: instruction requires: FPARMv8
vrintn.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vrintn.f64 d0, d0
@ CHECK: error: instruction requires: FPARMv8
vrintn.f32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vrintn.f64.f64 d0, d0
@ CHECK: error: instruction requires: FPARMv8
vrintp.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vrintp.f64 d0, d0
@ CHECK: error: instruction requires: FPARMv8
vrintp.f32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vrintp.f64.f64 d0, d0
@ CHECK: error: instruction requires: FPARMv8
vrintm.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vrintm.f64 d0, d0
@ CHECK: error: instruction requires: FPARMv8
vrintm.f32.f32 s0, s0
@ CHECK: error: instruction requires: FPARMv8
vrintm.f64.f64 d0, d0
@ CHECK: error: instruction requires: FPARMv8