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* [gcc r12-6693] middle-end: move initialization of stack_limit_rtx [PR103163]
@ 2022-01-18 17:29 Sandra Loosemore
0 siblings, 0 replies; only message in thread
From: Sandra Loosemore @ 2022-01-18 17:29 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:3a0837b8fb96f50f2e60222ce289cc2542bbb477
commit r12-6693-g3a0837b8fb96f50f2e60222ce289cc2542bbb477
Author: Sandra Loosemore <sandra@codesourcery.com>
Date: Tue Jan 18 09:27:36 2022 -0800
middle-end: move initialization of stack_limit_rtx [PR103163]
stack_limit_rtx was being initialized before init_reg_modes_target (),
resulting in the REG expression being created incorrectly and an ICE
later in compilation.
2022-01-18 Sandra Loosemore <sandra@codesourcery.com>
PR middle-end/103163
gcc/
* emit-rtl.cc (init_emit_regs): Initialize stack_limit_rtx here...
(init_emit_once): ...not here.
Diff:
---
gcc/emit-rtl.cc | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/gcc/emit-rtl.cc b/gcc/emit-rtl.cc
index 079e563dcf3..3260ca8c3fa 100644
--- a/gcc/emit-rtl.cc
+++ b/gcc/emit-rtl.cc
@@ -6097,6 +6097,13 @@ init_emit_regs (void)
if ((unsigned) PIC_OFFSET_TABLE_REGNUM != INVALID_REGNUM)
pic_offset_table_rtx = gen_raw_REG (Pmode, PIC_OFFSET_TABLE_REGNUM);
+ /* Process stack-limiting command-line options. */
+ if (opt_fstack_limit_symbol_arg != NULL)
+ stack_limit_rtx
+ = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (opt_fstack_limit_symbol_arg));
+ if (opt_fstack_limit_register_no >= 0)
+ stack_limit_rtx = gen_rtx_REG (Pmode, opt_fstack_limit_register_no);
+
for (i = 0; i < (int) MAX_MACHINE_MODE; i++)
{
mode = (machine_mode) i;
@@ -6177,13 +6184,6 @@ init_emit_once (void)
/* Create the unique rtx's for certain rtx codes and operand values. */
- /* Process stack-limiting command-line options. */
- if (opt_fstack_limit_symbol_arg != NULL)
- stack_limit_rtx
- = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (opt_fstack_limit_symbol_arg));
- if (opt_fstack_limit_register_no >= 0)
- stack_limit_rtx = gen_rtx_REG (Pmode, opt_fstack_limit_register_no);
-
/* Don't use gen_rtx_CONST_INT here since gen_rtx_CONST_INT in this case
tries to use these variables. */
for (i = - MAX_SAVED_CONST_INT; i <= MAX_SAVED_CONST_INT; i++)
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2022-01-18 17:29 [gcc r12-6693] middle-end: move initialization of stack_limit_rtx [PR103163] Sandra Loosemore
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