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authorJeff Law <law@redhat.com>2020-05-31 11:16:37 -0600
committerJeff Law <law@redhat.com>2020-05-31 11:18:15 -0600
commitc25d0fa4d76cbc46078624d101ac019ff3df1142 (patch)
tree891b08fcc93545e2d2a8d02ad1c402c76a544dcf /gcc/reload1.c
parent05430b9b6a7c4aeaab595787ac1fbf6f3e0196a0 (diff)
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Fix execute/20071219-1.c regression on H8 due to loss of REG_INC notes in peephole2.
gcc/ * lra.c (add_auto_inc_notes): Remove function. * reload1.c (add_auto_inc_notes): Similarly. Move into... * rtlanal.c (add_auto_inc_notes): New function. * rtl.h (add_auto_inc_notes): Add prototype. * recog.c (peep2_attempt): Scan and add REG_INC notes to new insns as needed.
Diffstat (limited to 'gcc/reload1.c')
-rw-r--r--gcc/reload1.c26
1 files changed, 0 insertions, 26 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c
index 88f4727..19a64f2 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -395,7 +395,6 @@ static void delete_output_reload (rtx_insn *, int, int, rtx);
static void delete_address_reloads (rtx_insn *, rtx_insn *);
static void delete_address_reloads_1 (rtx_insn *, rtx, rtx_insn *);
static void inc_for_reload (rtx, rtx, rtx, poly_int64);
-static void add_auto_inc_notes (rtx_insn *, rtx);
static void substitute (rtx *, const_rtx, rtx);
static bool gen_reload_chain_without_interm_reg_p (int, int);
static int reloads_conflict (int, int);
@@ -9071,28 +9070,3 @@ inc_for_reload (rtx reloadreg, rtx in, rtx value, poly_int64 inc_amount)
emit_insn (gen_sub2_insn (reloadreg, inc));
}
}
-
-static void
-add_auto_inc_notes (rtx_insn *insn, rtx x)
-{
- enum rtx_code code = GET_CODE (x);
- const char *fmt;
- int i, j;
-
- if (code == MEM && auto_inc_p (XEXP (x, 0)))
- {
- add_reg_note (insn, REG_INC, XEXP (XEXP (x, 0), 0));
- return;
- }
-
- /* Scan all the operand sub-expressions. */
- fmt = GET_RTX_FORMAT (code);
- for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
- {
- if (fmt[i] == 'e')
- add_auto_inc_notes (insn, XEXP (x, i));
- else if (fmt[i] == 'E')
- for (j = XVECLEN (x, i) - 1; j >= 0; j--)
- add_auto_inc_notes (insn, XVECEXP (x, i, j));
- }
-}