FreeChainXenon/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

re PR target/66033 (rs6000 nops removed by rtl_dce)

Browse source 
PR target/66033
	* config/rs6000/rs6000.md (nop): Use an unspec pattern.
	(UNSPEC_NOP): Define.
	(reload_vsx_from_gpr<mode>): Add missing DONE.
	(reload_gpr_from_vsx<mode>): Likewise.
	* config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
	(vsx_div_v2di, vsx_udiv_v2di): Likewise.

From-SVN: r222851
This commit is contained in:
Alan Modra 2015-05-06 22:42:19 +09:30 • committed by Alan Modra
parent 2ed81af483
commit d5e6e133bb
3 changed files with 17 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
gcc/ChangeLog
View file

@ -1,3 +1,13 @@
2015-05-06 Alan Modra <amodra@gmail.com>
PR target/66033
* config/rs6000/rs6000.md (nop): Use an unspec pattern.
(UNSPEC_NOP): Define.
(reload_vsx_from_gpr<mode>): Add missing DONE.
(reload_gpr_from_vsx<mode>): Likewise.
* config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
(vsx_div_v2di, vsx_udiv_v2di): Likewise.
2015-05-06 Christian Bruel <christian.bruel@st.com>
PR target/66015

5
gcc/config/rs6000/rs6000.md
View file

@ -121,6 +121,7 @@
UNSPEC_LFIWAX
UNSPEC_LFIWZX
UNSPEC_FCTIWUZ
UNSPEC_NOP
UNSPEC_GRP_END_NOP
UNSPEC_P8V_FMRGOW
UNSPEC_P8V_MTVSRWZ
@ -8796,6 +8797,7 @@
emit_insn (gen_p8_mtvsrd_1 (tmp, gpr_hi_reg));
emit_insn (gen_p8_mtvsrd_2 (tmp, gpr_lo_reg));
emit_insn (gen_p8_xxpermdi_<mode> (dest, tmp));
DONE;
}
[(set_attr "length" "12")
(set_attr "type" "three")])
@ -8872,6 +8874,7 @@
emit_insn (gen_p8_mfvsrd_3_<mode> (gpr_hi_reg, src));
emit_insn (gen_vsx_xxpermdi_<mode> (tmp, src, src, GEN_INT (3)));
emit_insn (gen_p8_mfvsrd_3_<mode> (gpr_lo_reg, tmp));
DONE;
}
[(set_attr "length" "12")
(set_attr "type" "three")])
@ -12888,7 +12891,7 @@
[(set_attr "type" "jmpreg")])
(define_insn "nop"
[(const_int 0)]
[(unspec [(const_int 0)] UNSPEC_NOP)]
""
"nop")

3
gcc/config/rs6000/vsx.md
View file

@ -780,6 +780,7 @@
emit_insn (gen_vsx_extract_v2di (op4, op2, GEN_INT (1)));
emit_insn (gen_muldi3 (op3, op3, op4));
emit_insn (gen_vsx_concat_v2di (op0, op5, op3));
DONE;
}"
[(set_attr "type" "mul")])
@ -817,6 +818,7 @@
emit_insn (gen_vsx_extract_v2di (op4, op2, GEN_INT (1)));
emit_insn (gen_divdi3 (op3, op3, op4));
emit_insn (gen_vsx_concat_v2di (op0, op5, op3));
DONE;
}"
[(set_attr "type" "div")])
@ -844,6 +846,7 @@
emit_insn (gen_vsx_extract_v2di (op4, op2, GEN_INT (1)));
emit_insn (gen_udivdi3 (op3, op3, op4));
emit_insn (gen_vsx_concat_v2di (op0, op5, op3));
DONE;
}"
[(set_attr "type" "div")])