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| author | Jiong Wang <jiong.wang@arm.com> | 2014-07-23 16:11:50 +0000 |
|---|---|---|
| committer | Marcus Shawcroft <mshawcroft@gcc.gnu.org> | 2014-07-23 16:11:50 +0000 |
| commit | bc5f5f369553ba7cc82a612527e0f1b2a37c4caa (patch) | |
| tree | 08e7cc153402e5b03b2fc345e2f9f650cab6ce0f /gcc | |
| parent | 55185278aba98ee8219ed8b73ba6336be5f7aeb6 (diff) | |
| download | gcc-bc5f5f369553ba7cc82a612527e0f1b2a37c4caa.zip gcc-bc5f5f369553ba7cc82a612527e0f1b2a37c4caa.tar.gz gcc-bc5f5f369553ba7cc82a612527e0f1b2a37c4caa.tar.bz2 | |
[AArch64] Hoist calculation of register rtx.
From-SVN: r212951
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 54 |
2 files changed, 24 insertions, 36 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7fb2c22..323b2ea 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -2,6 +2,12 @@ * config/aarch64/aarch64.c (aarch64_save_or_restore_callee_save_registers) + (aarch64_save_or_restore_fprs): Hoist calculation of register rtx. + +2014-07-23 Jiong Wang <jiong.wang@arm.com> + + * config/aarch64/aarch64.c + (aarch64_save_or_restore_callee_save_registers) (aarch64_save_or_restore_fprs): Remove 'increment'. 2014-07-23 Jiong Wang <jiong.wang@arm.com> diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index f8453e3..ac2dc79 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -1922,6 +1922,7 @@ aarch64_save_or_restore_fprs (HOST_WIDE_INT start_offset, bool restore) { if (aarch64_register_saved_on_entry (regno)) { + rtx reg = gen_rtx_REG (DFmode, regno); rtx mem; HOST_WIDE_INT offset = start_offset @@ -1940,6 +1941,7 @@ aarch64_save_or_restore_fprs (HOST_WIDE_INT start_offset, bool restore) if (regno2 <= V31_REGNUM && aarch64_register_saved_on_entry (regno2)) { + rtx reg2 = gen_rtx_REG (DFmode, regno2); rtx mem2; offset = start_offset + cfun->machine->frame.reg_offset[regno2]; @@ -1947,22 +1949,12 @@ aarch64_save_or_restore_fprs (HOST_WIDE_INT start_offset, bool restore) plus_constant (Pmode, stack_pointer_rtx, offset)); if (restore == false) - { - insn = emit_insn - (gen_store_pairdf (mem, gen_rtx_REG (DFmode, regno), - mem2, gen_rtx_REG (DFmode, regno2))); - - } + insn = emit_insn (gen_store_pairdf (mem, reg, mem2, reg2)); else { - insn = emit_insn - (gen_load_pairdf (gen_rtx_REG (DFmode, regno), mem, - gen_rtx_REG (DFmode, regno2), mem2)); - - add_reg_note (insn, REG_CFA_RESTORE, - gen_rtx_REG (DFmode, regno)); - add_reg_note (insn, REG_CFA_RESTORE, - gen_rtx_REG (DFmode, regno2)); + insn = emit_insn (gen_load_pairdf (reg, mem, reg2, mem2)); + add_reg_note (insn, REG_CFA_RESTORE, reg); + add_reg_note (insn, REG_CFA_RESTORE, reg2); } /* The first part of a frame-related parallel insn is @@ -1975,12 +1967,11 @@ aarch64_save_or_restore_fprs (HOST_WIDE_INT start_offset, bool restore) else { if (restore == false) - insn = emit_move_insn (mem, gen_rtx_REG (DFmode, regno)); + insn = emit_move_insn (mem, reg); else { - insn = emit_move_insn (gen_rtx_REG (DFmode, regno), mem); - add_reg_note (insn, REG_CFA_RESTORE, - gen_rtx_REG (DFmode, regno)); + insn = emit_move_insn (reg, mem); + add_reg_note (insn, REG_CFA_RESTORE, reg); } } RTX_FRAME_RELATED_P (insn) = 1; @@ -2006,6 +1997,7 @@ aarch64_save_or_restore_callee_save_registers (HOST_WIDE_INT start_offset, { if (aarch64_register_saved_on_entry (regno)) { + rtx reg = gen_rtx_REG (DImode, regno); rtx mem; HOST_WIDE_INT offset = start_offset @@ -2026,6 +2018,7 @@ aarch64_save_or_restore_callee_save_registers (HOST_WIDE_INT start_offset, && ((cfun->machine->frame.reg_offset[regno] + UNITS_PER_WORD) == cfun->machine->frame.reg_offset[regno2])) { + rtx reg2 = gen_rtx_REG (DImode, regno2); rtx mem2; offset = start_offset + cfun->machine->frame.reg_offset[regno2]; @@ -2033,22 +2026,12 @@ aarch64_save_or_restore_callee_save_registers (HOST_WIDE_INT start_offset, plus_constant (Pmode, stack_pointer_rtx, offset)); if (restore == false) - { - insn = emit_insn - (gen_store_pairdi (mem, gen_rtx_REG (DImode, regno), - mem2, gen_rtx_REG (DImode, regno2))); - - } + insn = emit_insn (gen_store_pairdi (mem, reg, mem2, reg2)); else { - insn = emit_insn - (gen_load_pairdi (gen_rtx_REG (DImode, regno), mem, - gen_rtx_REG (DImode, regno2), mem2)); - - add_reg_note (insn, REG_CFA_RESTORE, - gen_rtx_REG (DImode, regno)); - add_reg_note (insn, REG_CFA_RESTORE, - gen_rtx_REG (DImode, regno2)); + insn = emit_insn (gen_load_pairdi (reg, mem, reg2, mem2)); + add_reg_note (insn, REG_CFA_RESTORE, reg); + add_reg_note (insn, REG_CFA_RESTORE, reg2); } /* The first part of a frame-related parallel insn is @@ -2061,12 +2044,11 @@ aarch64_save_or_restore_callee_save_registers (HOST_WIDE_INT start_offset, else { if (restore == false) - insn = emit_move_insn (mem, gen_rtx_REG (DImode, regno)); + insn = emit_move_insn (mem, reg); else { - insn = emit_move_insn (gen_rtx_REG (DImode, regno), mem); - add_reg_note (insn, REG_CFA_RESTORE, - gen_rtx_REG (DImode, regno)); + insn = emit_move_insn (reg, mem); + add_reg_note (insn, REG_CFA_RESTORE, reg); } } RTX_FRAME_RELATED_P (insn) = 1; |