fix sh fesetround failure to clear old mode · 043c6e31d9 - Gogs

fix sh fesetround failure to clear old mode

the sh version of fesetround or'd the new rounding mode onto the
control register without clearing the old rounding mode bits, making
changes sticky. this was the root cause of multiple test failures.

Rich Felker 4 years ago

parent

2e0907ce62

commit

043c6e31d9

1 changed files with 2 additions and 0 deletions

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src/fenv/sh/fenv.S
							 
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				@@ -12,6 +12,8 @@ fegetround:
			
				 .type   __fesetround, @function
			
				 __fesetround:
			
				 	sts fpscr, r0
			
				+	mov #-4, r1
			
				+	and r1, r0
			
				 	or  r4, r0
			
				 	lds r0, fpscr
			
				 	rts