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re PR target/62261 ([sh64] ICE for negative shift counts) 

PR target/62261
        * config/sh/sh.md (ashlsi3): Handle negative shift count for
	TARGET_SHMEDIA.
	(ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.

From-SVN: r214612
This commit is contained in:
Kaz Kojima 2014-08-27 23:25:14 +00:00
parent 109374e2fb
commit 1284f55903
2 changed files with 43 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2014-08-27 Kaz Kojima <kkojima@gcc.gnu.org>
PR target/62261
* config/sh/sh.md (ashlsi3): Handle negative shift count for
TARGET_SHMEDIA.
(ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
2014-08-27 Richard Sandiford <rdsandiford@googlemail.com>
* emit-rtl.c (set_unique_reg_note): Discard notes with side effects.

36
gcc/config/sh/sh.md
View File

@ -4579,6 +4579,12 @@ label:
{
if (TARGET_SHMEDIA)
{
if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
{
operands[2] = GEN_INT (-INTVAL (operands[2]));
emit_insn (gen_ashrsi3_media (operands[0], operands[1], operands[2]));
DONE;
}
emit_insn (gen_ashlsi3_media (operands[0], operands[1], operands[2]));
DONE;
}
@ -4819,6 +4825,12 @@ label:
{
if (TARGET_SHMEDIA)
{
if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
{
operands[2] = GEN_INT (-INTVAL (operands[2]));
emit_insn (gen_ashrdi3_media (operands[0], operands[1], operands[2]));
DONE;
}
emit_insn (gen_ashldi3_media (operands[0], operands[1], operands[2]));
DONE;
}
@ -4912,6 +4924,12 @@ label:
{
if (TARGET_SHMEDIA)
{
if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
{
operands[2] = GEN_INT (-INTVAL (operands[2]));
emit_insn (gen_ashlsi3_media (operands[0], operands[1], operands[2]));
DONE;
}
emit_insn (gen_ashrsi3_media (operands[0], operands[1], operands[2]));
DONE;
}
@ -5011,6 +5029,12 @@ label:
{
if (TARGET_SHMEDIA)
{
if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
{
operands[2] = GEN_INT (-INTVAL (operands[2]));
emit_insn (gen_ashldi3_media (operands[0], operands[1], operands[2]));
DONE;
}
emit_insn (gen_ashrdi3_media (operands[0], operands[1], operands[2]));
DONE;
}
@ -5085,6 +5109,12 @@ label:
{
if (TARGET_SHMEDIA)
{
if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
{
operands[2] = GEN_INT (-INTVAL (operands[2]));
emit_insn (gen_ashlsi3_media (operands[0], operands[1], operands[2]));
DONE;
}
emit_insn (gen_lshrsi3_media (operands[0], operands[1], operands[2]));
DONE;
}
@ -5279,6 +5309,12 @@ label:
{
if (TARGET_SHMEDIA)
{
if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
{
operands[2] = GEN_INT (-INTVAL (operands[2]));
emit_insn (gen_ashldi3_media (operands[0], operands[1], operands[2]));
DONE;
}
emit_insn (gen_lshrdi3_media (operands[0], operands[1], operands[2]));
DONE;
}