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riscv-gcc-1
Commit 5145eda8 by Richard Stallman
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(immed_real_const_1, immed_double_const): 

Don't push on const_double_chain in nested function.

From-SVN: r2688
parent 8f54a09b
Showing with 14 additions and 4 deletions
gcc/varasm.c
......@@ -1324,8 +1324,13 @@ immed_double_const (i0, i1, mode)
if (in_current_obstack)
rtl_in_current_obstack ();
CONST_DOUBLE_CHAIN (r) = const_double_chain;
const_double_chain = r;
/* Don't touch const_double_chain in nested function;
see force_const_mem. */
if (outer_function_chain != 0)
{
CONST_DOUBLE_CHAIN (r) = const_double_chain;
const_double_chain = r;
}
/* Store const0_rtx in mem-slot since this CONST_DOUBLE is on the chain.
Actual use of mem-slot is only through force_const_mem. */
......@@ -1390,8 +1395,13 @@ immed_real_const_1 (d, mode)
if (in_current_obstack)
rtl_in_current_obstack ();
CONST_DOUBLE_CHAIN (r) = const_double_chain;
const_double_chain = r;
/* Don't touch const_double_chain in nested function;
see force_const_mem. */
if (outer_function_change != 0)
{
CONST_DOUBLE_CHAIN (r) = const_double_chain;
const_double_chain = r;
}
/* Store const0_rtx in CONST_DOUBLE_MEM since this CONST_DOUBLE is on the
chain, but has not been allocated memory. Actual use of CONST_DOUBLE_MEM
......
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