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feather/contrib/guix/patches/vmov-alignment.patch
tobtoht 09a3c7b15d Bootstrappable builds (WIP)
2022-12-21 16:20:39 +01:00

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Description: Use unaligned VMOV instructions
Author: Stephen Kitt <skitt@debian.org>
Bug-Debian: https://bugs.debian.org/939559
Based on a patch originally by Claude Heiland-Allen <claude@mathr.co.uk>
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -1058,17 +1058,11 @@
{
if (FLOAT_MODE_P (GET_MODE_INNER (<MODE>mode)))
{
- if (misaligned_operand (operands[1], <MODE>mode))
- return "vmovu<ssemodesuffix>\t{%1, %0%{%3%}%N2|%0%{%3%}%N2, %1}";
- else
- return "vmova<ssemodesuffix>\t{%1, %0%{%3%}%N2|%0%{%3%}%N2, %1}";
+ return "vmovu<ssemodesuffix>\t{%1, %0%{%3%}%N2|%0%{%3%}%N2, %1}";
}
else
{
- if (misaligned_operand (operands[1], <MODE>mode))
- return "vmovdqu<ssescalarsize>\t{%1, %0%{%3%}%N2|%0%{%3%}%N2, %1}";
- else
- return "vmovdqa<ssescalarsize>\t{%1, %0%{%3%}%N2|%0%{%3%}%N2, %1}";
+ return "vmovdqu<ssescalarsize>\t{%1, %0%{%3%}%N2|%0%{%3%}%N2, %1}";
}
}
[(set_attr "type" "ssemov")
@@ -1184,17 +1178,11 @@
{
if (FLOAT_MODE_P (GET_MODE_INNER (<MODE>mode)))
{
- if (misaligned_operand (operands[0], <MODE>mode))
- return "vmovu<ssemodesuffix>\t{%1, %0%{%2%}|%0%{%2%}, %1}";
- else
- return "vmova<ssemodesuffix>\t{%1, %0%{%2%}|%0%{%2%}, %1}";
+ return "vmovu<ssemodesuffix>\t{%1, %0%{%2%}|%0%{%2%}, %1}";
}
else
{
- if (misaligned_operand (operands[0], <MODE>mode))
- return "vmovdqu<ssescalarsize>\t{%1, %0%{%2%}|%0%{%2%}, %1}";
- else
- return "vmovdqa<ssescalarsize>\t{%1, %0%{%2%}|%0%{%2%}, %1}";
+ return "vmovdqu<ssescalarsize>\t{%1, %0%{%2%}|%0%{%2%}, %1}";
}
}
[(set_attr "type" "ssemov")
@@ -7806,7 +7794,7 @@
"TARGET_SSE && !(MEM_P (operands[0]) && MEM_P (operands[1]))"
"@
%vmovlps\t{%1, %0|%q0, %1}
- %vmovaps\t{%1, %0|%0, %1}
+ %vmovups\t{%1, %0|%0, %1}
%vmovlps\t{%1, %d0|%d0, %q1}"
[(set_attr "type" "ssemov")
(set_attr "prefix" "maybe_vex")
@@ -13997,29 +13985,15 @@
switch (<MODE>mode)
{
case E_V8DFmode:
- if (misaligned_operand (operands[2], <ssequartermode>mode))
- return "vmovupd\t{%2, %x0|%x0, %2}";
- else
- return "vmovapd\t{%2, %x0|%x0, %2}";
+ return "vmovupd\t{%2, %x0|%x0, %2}";
case E_V16SFmode:
- if (misaligned_operand (operands[2], <ssequartermode>mode))
- return "vmovups\t{%2, %x0|%x0, %2}";
- else
- return "vmovaps\t{%2, %x0|%x0, %2}";
+ return "vmovups\t{%2, %x0|%x0, %2}";
case E_V8DImode:
- if (misaligned_operand (operands[2], <ssequartermode>mode))
- return which_alternative == 2 ? "vmovdqu64\t{%2, %x0|%x0, %2}"
+ return which_alternative == 2 ? "vmovdqu64\t{%2, %x0|%x0, %2}"
: "vmovdqu\t{%2, %x0|%x0, %2}";
- else
- return which_alternative == 2 ? "vmovdqa64\t{%2, %x0|%x0, %2}"
- : "vmovdqa\t{%2, %x0|%x0, %2}";
case E_V16SImode:
- if (misaligned_operand (operands[2], <ssequartermode>mode))
- return which_alternative == 2 ? "vmovdqu32\t{%2, %x0|%x0, %2}"
+ return which_alternative == 2 ? "vmovdqu32\t{%2, %x0|%x0, %2}"
: "vmovdqu\t{%2, %x0|%x0, %2}";
- else
- return which_alternative == 2 ? "vmovdqa32\t{%2, %x0|%x0, %2}"
- : "vmovdqa\t{%2, %x0|%x0, %2}";
default:
gcc_unreachable ();
}
@@ -21225,63 +21199,27 @@
switch (get_attr_mode (insn))
{
case MODE_V16SF:
- if (misaligned_operand (operands[1], <ssehalfvecmode>mode))
- return "vmovups\t{%1, %t0|%t0, %1}";
- else
- return "vmovaps\t{%1, %t0|%t0, %1}";
+ return "vmovups\t{%1, %t0|%t0, %1}";
case MODE_V8DF:
- if (misaligned_operand (operands[1], <ssehalfvecmode>mode))
- return "vmovupd\t{%1, %t0|%t0, %1}";
- else
- return "vmovapd\t{%1, %t0|%t0, %1}";
+ return "vmovupd\t{%1, %t0|%t0, %1}";
case MODE_V8SF:
- if (misaligned_operand (operands[1], <ssehalfvecmode>mode))
- return "vmovups\t{%1, %x0|%x0, %1}";
- else
- return "vmovaps\t{%1, %x0|%x0, %1}";
+ return "vmovups\t{%1, %x0|%x0, %1}";
case MODE_V4DF:
- if (misaligned_operand (operands[1], <ssehalfvecmode>mode))
- return "vmovupd\t{%1, %x0|%x0, %1}";
- else
- return "vmovapd\t{%1, %x0|%x0, %1}";
+ return "vmovupd\t{%1, %x0|%x0, %1}";
case MODE_XI:
- if (misaligned_operand (operands[1], <ssehalfvecmode>mode))
- {
- if (which_alternative == 2)
- return "vmovdqu\t{%1, %t0|%t0, %1}";
- else if (GET_MODE_SIZE (<ssescalarmode>mode) == 8)
- return "vmovdqu64\t{%1, %t0|%t0, %1}";
- else
- return "vmovdqu32\t{%1, %t0|%t0, %1}";
- }
+ if (which_alternative == 2)
+ return "vmovdqu\t{%1, %t0|%t0, %1}";
+ else if (GET_MODE_SIZE (<ssescalarmode>mode) == 8)
+ return "vmovdqu64\t{%1, %t0|%t0, %1}";
else
- {
- if (which_alternative == 2)
- return "vmovdqa\t{%1, %t0|%t0, %1}";
- else if (GET_MODE_SIZE (<ssescalarmode>mode) == 8)
- return "vmovdqa64\t{%1, %t0|%t0, %1}";
- else
- return "vmovdqa32\t{%1, %t0|%t0, %1}";
- }
+ return "vmovdqu32\t{%1, %t0|%t0, %1}";
case MODE_OI:
- if (misaligned_operand (operands[1], <ssehalfvecmode>mode))
- {
- if (which_alternative == 2)
- return "vmovdqu\t{%1, %x0|%x0, %1}";
- else if (GET_MODE_SIZE (<ssescalarmode>mode) == 8)
- return "vmovdqu64\t{%1, %x0|%x0, %1}";
- else
- return "vmovdqu32\t{%1, %x0|%x0, %1}";
- }
+ if (which_alternative == 2)
+ return "vmovdqu\t{%1, %x0|%x0, %1}";
+ else if (GET_MODE_SIZE (<ssescalarmode>mode) == 8)
+ return "vmovdqu64\t{%1, %x0|%x0, %1}";
else
- {
- if (which_alternative == 2)
- return "vmovdqa\t{%1, %x0|%x0, %1}";
- else if (GET_MODE_SIZE (<ssescalarmode>mode) == 8)
- return "vmovdqa64\t{%1, %x0|%x0, %1}";
- else
- return "vmovdqa32\t{%1, %x0|%x0, %1}";
- }
+ return "vmovdqu32\t{%1, %x0|%x0, %1}";
default:
gcc_unreachable ();
}
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -4981,13 +4981,13 @@
switch (type)
{
case opcode_int:
- opcode = misaligned_p ? "vmovdqu32" : "vmovdqa32";
+ opcode = "vmovdqu32";
break;
case opcode_float:
- opcode = misaligned_p ? "vmovups" : "vmovaps";
+ opcode = "vmovups";
break;
case opcode_double:
- opcode = misaligned_p ? "vmovupd" : "vmovapd";
+ opcode = "vmovupd";
break;
}
}
@@ -4996,16 +4996,16 @@
switch (scalar_mode)
{
case E_SFmode:
- opcode = misaligned_p ? "%vmovups" : "%vmovaps";
+ opcode = "%vmovups";
break;
case E_DFmode:
- opcode = misaligned_p ? "%vmovupd" : "%vmovapd";
+ opcode = "%vmovupd";
break;
case E_TFmode:
if (evex_reg_p)
- opcode = misaligned_p ? "vmovdqu64" : "vmovdqa64";
+ opcode = "vmovdqu64";
else
- opcode = misaligned_p ? "%vmovdqu" : "%vmovdqa";
+ opcode = "%vmovdqu";
break;
default:
gcc_unreachable ();
@@ -5017,48 +5017,32 @@
{
case E_QImode:
if (evex_reg_p)
- opcode = (misaligned_p
- ? (TARGET_AVX512BW
- ? "vmovdqu8"
- : "vmovdqu64")
- : "vmovdqa64");
+ opcode = TARGET_AVX512BW ? "vmovdqu8" : "vmovdqu64";
else
- opcode = (misaligned_p
- ? (TARGET_AVX512BW
- ? "vmovdqu8"
- : "%vmovdqu")
- : "%vmovdqa");
+ opcode = TARGET_AVX512BW ? "vmovdqu8" : "%vmovdqu";
break;
case E_HImode:
if (evex_reg_p)
- opcode = (misaligned_p
- ? (TARGET_AVX512BW
- ? "vmovdqu16"
- : "vmovdqu64")
- : "vmovdqa64");
+ opcode = TARGET_AVX512BW ? "vmovdqu16" : "vmovdqu64";
else
- opcode = (misaligned_p
- ? (TARGET_AVX512BW
- ? "vmovdqu16"
- : "%vmovdqu")
- : "%vmovdqa");
+ opcode = TARGET_AVX512BW ? "vmovdqu16" : "%vmovdqu";
break;
case E_SImode:
if (evex_reg_p)
- opcode = misaligned_p ? "vmovdqu32" : "vmovdqa32";
+ opcode = "vmovdqu32";
else
- opcode = misaligned_p ? "%vmovdqu" : "%vmovdqa";
+ opcode = "%vmovdqu";
break;
case E_DImode:
case E_TImode:
case E_OImode:
if (evex_reg_p)
- opcode = misaligned_p ? "vmovdqu64" : "vmovdqa64";
+ opcode = "vmovdqu64";
else
- opcode = misaligned_p ? "%vmovdqu" : "%vmovdqa";
+ opcode = "%vmovdqu";
break;
case E_XImode:
- opcode = misaligned_p ? "vmovdqu64" : "vmovdqa64";
+ opcode = "vmovdqu64";
break;
default:
gcc_unreachable ();
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