[opus] Errors when compiling for ARM Cortex-M4

[Dominic Levesque]

Hi,
I had the following errors when compiling the library for Cortex-m4 (-mcpu=cortex-m4) using the GNU compiler for ARM (gcc-arm-none-eabi-4_8).
  CPPAS    celt/arm/celt_pitch_xcorr_arm-gnu.locelt/arm/celt_pitch_xcorr_arm-gnu.S: Assembler messages:celt/arm/celt_pitch_xcorr_arm-gnu.S:299: Error: thumb conditional instruction should be in IT block -- `ldrgt r12,[r4],#4'celt/arm/celt_pitch_xcorr_arm-gnu.S:317: Error: thumb conditional instruction should be in IT block -- `ldrhgt r14,[r4],#2'celt/arm/celt_pitch_xcorr_arm-gnu.S:327: Error: thumb conditional instruction should be in IT block -- `ldrhgt r12,[r4],#2'celt/arm/celt_pitch_xcorr_arm-gnu.S:335: Error: thumb conditional instruction should be in IT block -- `ldrhgt r14,[r4]'[...]
Adding the IT instructions seems to solve the issue. 
Should this be fixed or am I missing something?
Thanks
Dominic Levesque 		 	   		  
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