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Handle internal functions in is_tm_pure_call

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The upcoming changes to use internal functions for things like sqrt
caused a failure in gcc.dg/tm/20100610.c, because we were trying to get
call flags from the null gimple_call_fn of an IFN_SQRT call.  We've been
making fairly heavy use of internal functions for a while now so I think
this might be latent.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
	* trans-mem.c (is_tm_pure_call): Use gimple_call_flags for
	internal functions.

From-SVN: r229925
This commit is contained in:
Richard Sandiford 2015-11-07 10:19:56 +00:00 • committed by Richard Sandiford
parent 0aad019857
commit 6ca5a44255
2 changed files with 8 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2015-11-07 Richard Sandiford <richard.sandiford@arm.com>
* trans-mem.c (is_tm_pure_call): Use gimple_call_flags for
internal functions.
2015-11-07 Richard Sandiford <richard.sandiford@arm.com>
* builtins.def: #undef DEF_BUILTIN and DEF_BUILTIN_CHKP

3
gcc/trans-mem.c
View file

@ -266,6 +266,9 @@ is_tm_safe (const_tree x)
static bool
is_tm_pure_call (gimple *call)
{
if (gimple_call_internal_p (call))
return (gimple_call_flags (call) & (ECF_CONST | ECF_TM_PURE)) != 0;
tree fn = gimple_call_fn (call);
if (TREE_CODE (fn) == ADDR_EXPR)