Hi Charles,
On 08/11/15 00:26, charles.bay...@linaro.org wrote:
From: Charles Baylis <charles.bay...@linaro.org>
<DATE> Charles Baylis <charles.bay...@linaro.org>
* config/arm/neon.md (neon_vld1_lane<mode>): Remove error for invalid
lane number.
(neon_vst1_lane<mode>): Likewise.
(neon_vld2_lane<mode>): Likewise.
(neon_vst2_lane<mode>): Likewise.
(neon_vld3_lane<mode>): Likewise.
(neon_vst3_lane<mode>): Likewise.
(neon_vld4_lane<mode>): Likewise.
(neon_vst4_lane<mode>): Likewise.
Change-Id: Id7b4b6fa7320157e62e5bae574b4c4688d921774
---
gcc/config/arm/neon.md | 48 ++++++++----------------------------------------
1 file changed, 8 insertions(+), 40 deletions(-)
diff --git a/gcc/config/arm/neon.md b/gcc/config/arm/neon.md
index e8db020..6574e6e 100644
--- a/gcc/config/arm/neon.md
+++ b/gcc/config/arm/neon.md
@@ -4264,8 +4264,6 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT lane = ENDIAN_LANE_N(<MODE>mode, INTVAL (operands[3]));
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
operands[3] = GEN_INT (lane);
- if (lane < 0 || lane >= max)
- error ("lane out of range");
if (max == 1)
return "vld1.<V_sz_elem>\t%P0, %A1";
else
@@ -4286,9 +4284,7 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
operands[3] = GEN_INT (lane);
int regno = REGNO (operands[0]);
- if (lane < 0 || lane >= max)
- error ("lane out of range");
- else if (lane >= max / 2)
+ if (lane >= max / 2)
{
lane -= max / 2;
regno += 2;
@@ -4372,8 +4368,6 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT lane = ENDIAN_LANE_N(<MODE>mode, INTVAL (operands[2]));
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
operands[2] = GEN_INT (lane);
- if (lane < 0 || lane >= max)
- error ("lane out of range");
if (max == 1)
return "vst1.<V_sz_elem>\t{%P1}, %A0";
else
@@ -4393,9 +4387,7 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT lane = ENDIAN_LANE_N(<MODE>mode, INTVAL (operands[2]));
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[1]);
- if (lane < 0 || lane >= max)
- error ("lane out of range");
- else if (lane >= max / 2)
+ if (lane >= max / 2)
{
lane -= max / 2;
regno += 2;
@@ -4464,8 +4456,6 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[0]);
rtx ops[4];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
In this pattern the 'max' variable is now unused, causing a bootstrap -Werror
failure on arm.
I'll test a patch to fix it unless you beat me to it...
Thanks,
Kyrill
ops[0] = gen_rtx_REG (DImode, regno);
ops[1] = gen_rtx_REG (DImode, regno + 2);
ops[2] = operands[1];
@@ -4489,9 +4479,7 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[0]);
rtx ops[4];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
- else if (lane >= max / 2)
+ if (lane >= max / 2)
{
lane -= max / 2;
regno += 2;
@@ -4579,8 +4567,6 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[1]);
rtx ops[4];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
ops[0] = operands[0];
ops[1] = gen_rtx_REG (DImode, regno);
ops[2] = gen_rtx_REG (DImode, regno + 2);
@@ -4604,9 +4590,7 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[1]);
rtx ops[4];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
- else if (lane >= max / 2)
+ if (lane >= max / 2)
{
lane -= max / 2;
regno += 2;
@@ -4723,8 +4707,6 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[0]);
rtx ops[5];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
ops[0] = gen_rtx_REG (DImode, regno);
ops[1] = gen_rtx_REG (DImode, regno + 2);
ops[2] = gen_rtx_REG (DImode, regno + 4);
@@ -4750,9 +4732,7 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[0]);
rtx ops[5];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
- else if (lane >= max / 2)
+ if (lane >= max / 2)
{
lane -= max / 2;
regno += 2;
@@ -4895,8 +4875,6 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[1]);
rtx ops[5];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
ops[0] = operands[0];
ops[1] = gen_rtx_REG (DImode, regno);
ops[2] = gen_rtx_REG (DImode, regno + 2);
@@ -4922,9 +4900,7 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[1]);
rtx ops[5];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
- else if (lane >= max / 2)
+ if (lane >= max / 2)
{
lane -= max / 2;
regno += 2;
@@ -5045,8 +5021,6 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[0]);
rtx ops[6];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
ops[0] = gen_rtx_REG (DImode, regno);
ops[1] = gen_rtx_REG (DImode, regno + 2);
ops[2] = gen_rtx_REG (DImode, regno + 4);
@@ -5073,9 +5047,7 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[0]);
rtx ops[6];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
- else if (lane >= max / 2)
+ if (lane >= max / 2)
{
lane -= max / 2;
regno += 2;
@@ -5225,8 +5197,6 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[1]);
rtx ops[6];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
ops[0] = operands[0];
ops[1] = gen_rtx_REG (DImode, regno);
ops[2] = gen_rtx_REG (DImode, regno + 2);
@@ -5253,9 +5223,7 @@ if (BYTES_BIG_ENDIAN)
HOST_WIDE_INT max = GET_MODE_NUNITS (<MODE>mode);
int regno = REGNO (operands[1]);
rtx ops[6];
- if (lane < 0 || lane >= max)
- error ("lane out of range");
- else if (lane >= max / 2)
+ if (lane >= max / 2)
{
lane -= max / 2;
regno += 2;