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-rw-r--r--contrib/guix/patches/vmov-alignment.patch267
1 files changed, 267 insertions, 0 deletions
diff --git a/contrib/guix/patches/vmov-alignment.patch b/contrib/guix/patches/vmov-alignment.patch
new file mode 100644
index 0000000000..072f76eafd
--- /dev/null
+++ b/contrib/guix/patches/vmov-alignment.patch
@@ -0,0 +1,267 @@
+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 ();
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-03 08:02:45 +0000