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amdgcn: remove obsolete assembler workarounds 

This nonsense is no longer required, now that the minimum supported
assembler version is LLVM 13.0.1.

gcc/ChangeLog:

	* config/gcn/gcn.md (*movbi): Remove assembler bug workarounds.
	(jump): Likewise.
	(movdi_symbol_save_scc): Likewise.
This commit is contained in:
Andrew Stubbs 2022-06-12 00:16:24 +01:00
parent c10a7546cf
commit b06a282921
1 changed files with 7 additions and 29 deletions
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36
gcc/config/gcn/gcn.md
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@ -481,14 +481,7 @@
we emit bytes directly as a workaround. */
switch (which_alternative) {
case 0:
if (REG_P (operands[1]) && REGNO (operands[1]) == SCC_REG)
return "; s_mov_b32\t%0,%1 is not supported by the assembler.\;"
".byte\t0xfd\;"
".byte\t0x0\;"
".byte\t0x80|%R0\;"
".byte\t0xbe";
else
return "s_mov_b32\t%0, %1";
return "s_mov_b32\t%0, %1";
case 1:
if (REG_P (operands[1]) && REGNO (operands[1]) == SCC_REG)
return "; v_mov_b32\t%0, %1\;"
@ -505,16 +498,8 @@
case 4:
return "v_cmp_ne_u32\tvcc, 0, %1";
case 5:
if (REGNO (operands[1]) == SCC_REG)
return "; s_mov_b32\t%0, %1 is not supported by the assembler.\;"
".byte\t0xfd\;"
".byte\t0x0\;"
".byte\t0xea\;"
".byte\t0xbe\;"
"s_mov_b32\tvcc_hi, 0";
else
return "s_mov_b32\tvcc_lo, %1\;"
"s_mov_b32\tvcc_hi, 0";
return "s_mov_b32\tvcc_lo, %1\;"
"s_mov_b32\tvcc_hi, 0";
case 6:
return "s_load_dword\t%0, %A1\;s_waitcnt\tlgkmcnt(0)";
case 7:
@ -739,8 +724,7 @@
return "s_branch\t%0";
else
/* !!! This sequence clobbers EXEC_SAVE_REG and CC_SAVE_REG. */
return "; s_mov_b32\ts22, scc is not supported by the assembler.\;"
".long\t0xbe9600fd\;"
return "s_mov_b32\ts22, scc\;"
"s_getpc_b64\ts[20:21]\;"
"s_add_u32\ts20, s20, %0@rel32@lo+4\;"
"s_addc_u32\ts21, s21, %0@rel32@hi+4\;"
@ -801,11 +785,7 @@
}
else
return "s_cbranch%c1\t.Lskip%=\;"
"; s_mov_b32\ts22, scc is not supported by the assembler.\;"
".byte\t0xfd\;"
".byte\t0x0\;"
".byte\t0x80|22\;"
".byte\t0xbe\;"
"s_mov_b32\ts22, scc\;"
"s_getpc_b64\ts[20:21]\;"
"s_add_u32\ts20, s20, %0@rel32@lo+4\;"
"s_addc_u32\ts21, s21, %0@rel32@hi+4\;"
@ -890,8 +870,7 @@
if (SYMBOL_REF_P (operands[1])
&& SYMBOL_REF_WEAK (operands[1]))
return "; s_mov_b32\ts22, scc is not supported by the assembler.\;"
".long\t0xbe9600fd\;"
return "s_mov_b32\ts22, scc\;"
"s_getpc_b64\t%0\;"
"s_add_u32\t%L0, %L0, %1@gotpcrel32@lo+4\;"
"s_addc_u32\t%H0, %H0, %1@gotpcrel32@hi+4\;"
@ -899,8 +878,7 @@
"s_cmpk_lg_u32\ts22, 0\;"
"s_waitcnt\tlgkmcnt(0)";
return "; s_mov_b32\ts22, scc is not supported by the assembler.\;"
".long\t0xbe9600fd\;"
return "s_mov_b32\ts22, scc\;"
"s_getpc_b64\t%0\;"
"s_add_u32\t%L0, %L0, %1@rel32@lo+4\;"
"s_addc_u32\t%H0, %H0, %1@rel32@hi+4\;"