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Add IRCONV_NONE for pass-through INT to I64/U64 type change.

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This commit is contained in:
Mike Pall 2021-07-19 16:11:39 +02:00
parent 76fbf0397c
commit 71db0cf043
5 changed files with 7 additions and 4 deletions
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4
src/jit/dump.lua
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@ -278,7 +278,9 @@ local litname = {
s = irtype[band(shr(mode, 5), 31)].."."..s
if band(mode, 0x800) ~= 0 then s = s.." sext" end
local c = shr(mode, 12)
if c == 2 then s = s.." index" elseif c == 3 then s = s.." check" end
if c == 1 then s = s.." none"
elseif c == 2 then s = s.." index"
elseif c == 3 then s = s.." check" end
t[mode] = s
return s
end}),

2
src/lj_asm_arm64.h
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@ -602,7 +602,7 @@ static void asm_conv(ASMState *as, IRIns *ir)
emit_dn(as, A64I_SXTW, dest, left);
}
} else {
if (st64) {
if (st64 && !(ir->op2 & IRCONV_NONE)) {
/* This is either a 32 bit reg/reg mov which zeroes the hiword
** or a load of the loword from a 64 bit address.
*/

2
src/lj_asm_mips.h
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@ -751,7 +751,7 @@ static void asm_conv(ASMState *as, IRIns *ir)
}
}
} else {
if (st64) {
if (st64 && !(ir->op2 & IRCONV_NONE)) {
/* This is either a 32 bit reg/reg mov which zeroes the hiword
** or a load of the loword from a 64 bit address.
*/

2
src/lj_asm_x86.h
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@ -924,7 +924,7 @@ static void asm_conv(ASMState *as, IRIns *ir)
}
} else {
Reg dest = ra_dest(as, ir, RSET_GPR);
if (st64) {
if (st64 && !(ir->op2 & IRCONV_NONE)) {
Reg left = asm_fuseload(as, lref, RSET_GPR);
/* This is either a 32 bit reg/reg mov which zeroes the hiword
** or a load of the loword from a 64 bit address.

1
src/lj_ir.h
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@ -250,6 +250,7 @@ IRFLDEF(FLENUM)
#define IRCONV_ANY (1<<IRCONV_CSH) /* Any FP number is ok. */
#define IRCONV_INDEX (2<<IRCONV_CSH) /* Check + special backprop rules. */
#define IRCONV_CHECK (3<<IRCONV_CSH) /* Number checked for integerness. */
#define IRCONV_NONE IRCONV_ANY /* INT|*64 no conv, but change type. */
/* TOSTR mode, stored in op2. */
#define IRTOSTR_INT 0 /* Convert integer to string. */