I've committed this to reduce some divergence between trunk and gomp4. Sadly,
'diff' still goes somewhat bonkers part way through generating a non-minimal
diff. hopefully that'll decrease with merging more stuff from gomp4 shortly.
nathan
2015-09-10 Nathan Sidwell <nat...@acm.org>
* config/nvptx/nvptx.c (nvptx_expand_call): Add spacing.
(nvptx_reorg): Adjust comments.
Index: gcc/config/nvptx/nvptx.c
===================================================================
--- gcc/config/nvptx/nvptx.c (revision 227597)
+++ gcc/config/nvptx/nvptx.c (working copy)
@@ -807,6 +807,7 @@ nvptx_expand_call (rtx retval, rtx addre
external_decl = true;
}
}
+
if (cfun->machine->funtype
/* It's possible to construct testcases where we call a variable.
See compile/20020129-1.c. stdarg_p will crash so avoid calling it
@@ -1981,9 +1982,10 @@ nvptx_reorg_subreg (void)
}
/* PTX-specific reorganization
- 1) mark now-unused registers, so function begin doesn't declare
+ - Compute live registers
+ - Mark now-unused registers, so function begin doesn't declare
unused registers.
- 2) replace subregs with suitable sequences.
+ - Replace subregs with suitable sequences.
*/
static void
@@ -1995,6 +1997,7 @@ nvptx_reorg (void)
thread_prologue_and_epilogue_insns ();
+ /* Compute live regs */
df_clear_flags (DF_LR_RUN_DCE);
df_set_flags (DF_NO_INSN_RESCAN | DF_NO_HARD_REGS);
df_analyze ();
