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Re: [PATCH 3/6] Canonicalize asm volatility earlier

From: Jeff Law <law at redhat dot com>
To: Richard Henderson <rth at redhat dot com>, gcc-patches at gcc dot gnu dot org
Cc: peterz at infradead dot org, hpa at zytor dot com, torvalds at linux-foundation dot org, jakub at redhat dot com
Date: Fri, 08 May 2015 12:12:47 -0600
Subject: Re: [PATCH 3/6] Canonicalize asm volatility earlier
Authentication-results: sourceware.org; auth=none
References: <1431034740-5375-1-git-send-email-rth at redhat dot com> <1431034740-5375-4-git-send-email-rth at redhat dot com>

On 05/07/2015 03:38 PM, Richard Henderson wrote:

If gimple_asm_volatile_p is correct, no point re-checking.
This is also done by the C and C++ front ends, but not Ada.
So we can't yet trust ASM_VOLATILE_P from the front end.
---
  gcc/cfgexpand.c | 11 +++--------
  gcc/gimplify.c  |  2 +-
  2 files changed, 4 insertions(+), 9 deletions(-)

Also seems like it ought to be able to go forward independently nowrather than waiting.


jeff

References:
- [RFC 0/6] Flags outputs for asms
  - From: Richard Henderson
- [PATCH 3/6] Canonicalize asm volatility earlier
  - From: Richard Henderson

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