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| author | Richard Sandiford <richard.sandiford@arm.com> | 2019-09-10 18:56:59 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2019-09-10 18:56:59 +0000 |
| commit | 2e3d041b1328f123e60244df9e78f9c30e73462c (patch) | |
| tree | 87b78fda6482711d37131af066629bcf30356d58 /gcc/config/xtensa | |
| parent | a365fa0636886aeda83e57b84d837cfba13597fe (diff) | |
| download | gcc-2e3d041b1328f123e60244df9e78f9c30e73462c.zip gcc-2e3d041b1328f123e60244df9e78f9c30e73462c.tar.gz gcc-2e3d041b1328f123e60244df9e78f9c30e73462c.tar.bz2 | |
Remove redundant fixed_regs tests
This patch removes redundant fixed_regs tests in things like:
!fixed_regs[i] && !call_used_or_fixed_reg_p (i)
2019-09-10 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* config/alpha/alpha.c (alpha_compute_frame_layout): Remove redundant
fixed_regs test.
* config/bpf/bpf.c (bpf_compute_frame_layout, bpf_expand_prologue)
(bpf_expand_epilogue): Likewise.
* config/c6x/c6x.c (c6x_save_reg): Likewise.
* config/ft32/ft32.c (ft32_expand_prologue): Likewise.
(ft32_expand_epilogue): Likewise.
* config/i386/i386.c (ix86_save_reg): Likewise.
* config/moxie/moxie.c (moxie_expand_prologue): Likewise.
(moxie_expand_epilogue): Likewise.
* config/tilegx/tilegx.c (need_to_save_reg): Likewise.
* config/tilepro/tilepro.c (need_to_save_reg): Likewise.
* config/xtensa/xtensa.c (xtensa_call_save_reg): Likewise.
From-SVN: r275603
Diffstat (limited to 'gcc/config/xtensa')
| -rw-r--r-- | gcc/config/xtensa/xtensa.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c index 822c215..3c129fd 100644 --- a/gcc/config/xtensa/xtensa.c +++ b/gcc/config/xtensa/xtensa.c @@ -2686,8 +2686,7 @@ xtensa_call_save_reg(int regno) if (crtl->calls_eh_return && regno >= 2 && regno < 4) return true; - return !fixed_regs[regno] && !call_used_or_fixed_reg_p (regno) && - df_regs_ever_live_p (regno); + return !call_used_or_fixed_reg_p (regno) && df_regs_ever_live_p (regno); } /* Return the bytes needed to compute the frame pointer from the current |