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| author | Jeff Law <law@redhat.com> | 2018-02-16 23:37:22 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2018-02-16 23:37:22 -0700 |
| commit | 9f533a82db92db8c0772a0d75e6a76c98ad1bcc9 (patch) | |
| tree | 4b324cb507da5900af1890737dc397edc176789f /gcc | |
| parent | 1d569881592ea86828176843c77eec8f2719e4b2 (diff) | |
| download | gcc-9f533a82db92db8c0772a0d75e6a76c98ad1bcc9.zip gcc-9f533a82db92db8c0772a0d75e6a76c98ad1bcc9.tar.gz gcc-9f533a82db92db8c0772a0d75e6a76c98ad1bcc9.tar.bz2 | |
rx.c (add_pop_cfi_notes): New function.;
* config/rx/rx.c (add_pop_cfi_notes): New function.;
(pop_regs): Use it.
From-SVN: r257780
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rx/rx.c | 23 |
2 files changed, 25 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f41bb40..b47d282 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-02-16 Jeff Law <law@redhat.com> + + * config/rx/rx.c (add_pop_cfi_notes): New function.; + (pop_regs): Use it. + 2018-02-16 Jakub Jelinek <jakub@redhat.com> PR ipa/84425 diff --git a/gcc/config/rx/rx.c b/gcc/config/rx/rx.c index de7af86..007e052 100644 --- a/gcc/config/rx/rx.c +++ b/gcc/config/rx/rx.c @@ -1644,6 +1644,20 @@ mark_frame_related (rtx insn) } } +/* Create CFI notes for register pops. */ +static void +add_pop_cfi_notes (rtx_insn *insn, unsigned int high, unsigned int low) +{ + rtx t = plus_constant (Pmode, stack_pointer_rtx, + (high - low + 1) * UNITS_PER_WORD); + t = gen_rtx_SET (stack_pointer_rtx, t); + add_reg_note (insn, REG_CFA_ADJUST_CFA, t); + RTX_FRAME_RELATED_P (insn) = 1; + for (unsigned int i = low; i <= high; i++) + add_reg_note (insn, REG_CFA_RESTORE, gen_rtx_REG (word_mode, i)); +} + + static bool ok_for_max_constant (HOST_WIDE_INT val) { @@ -2029,11 +2043,14 @@ rx_can_use_simple_return (void) static void pop_regs (unsigned int high, unsigned int low) { + rtx_insn *insn; if (high == low) - emit_insn (gen_stack_pop (gen_rtx_REG (SImode, low))); + insn = emit_insn (gen_stack_pop (gen_rtx_REG (SImode, low))); else - emit_insn (gen_stack_popm (GEN_INT (((high - low) + 1) * UNITS_PER_WORD), - gen_rx_popm_vector (low, high))); + insn = emit_insn (gen_stack_popm (GEN_INT (((high - low) + 1) + * UNITS_PER_WORD), + gen_rx_popm_vector (low, high))); + add_pop_cfi_notes (insn, high, low); } void |