From 1e1f44de64d12a9539155665cd0aedee7909b00d Mon Sep 17 00:00:00 2001 From: Uros Bizjak Date: Fri, 14 Apr 2017 14:30:57 +0200 Subject: Add earlyclobber to sqrtt/sqrtf insns. When using software completions, we have to prevent assembler to match input and output operands of sqrtt/sqrtf insn. Add earlyclobber to output operand to avoid unwanted operand matching. 2017-04-14 Uros Bizjak * sysdeps/alpha/fpu/math_private.h (__ieee754_sqrt): Add earlyclobber to output operand of sqrt insn. (__ieee754_sqrtf): Ditto. --- sysdeps/alpha/fpu/math_private.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'sysdeps') diff --git a/sysdeps/alpha/fpu/math_private.h b/sysdeps/alpha/fpu/math_private.h index 9e06e25dc6..1e97c867c3 100644 --- a/sysdeps/alpha/fpu/math_private.h +++ b/sysdeps/alpha/fpu/math_private.h @@ -27,9 +27,9 @@ __ieee754_sqrt (double d) { double ret; # ifdef _IEEE_FP_INEXACT - asm ("sqrtt/suid %1,%0" : "=f"(ret) : "f"(d)); + asm ("sqrtt/suid %1,%0" : "=&f"(ret) : "f"(d)); # else - asm ("sqrtt/sud %1,%0" : "=f"(ret) : "f"(d)); + asm ("sqrtt/sud %1,%0" : "=&f"(ret) : "f"(d)); # endif return ret; } @@ -39,9 +39,9 @@ __ieee754_sqrtf (float d) { float ret; # ifdef _IEEE_FP_INEXACT - asm ("sqrts/suid %1,%0" : "=f"(ret) : "f"(d)); + asm ("sqrts/suid %1,%0" : "=&f"(ret) : "f"(d)); # else - asm ("sqrts/sud %1,%0" : "=f"(ret) : "f"(d)); + asm ("sqrts/sud %1,%0" : "=&f"(ret) : "f"(d)); # endif return ret; } -- cgit 1.4.1