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Merge https://gitlab.com/wingo/lightening master branch

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This commit is contained in:
Andy Wingo 2020-07-30 14:34:52 +02:00
commit aa44a71750
1 changed files with 8 additions and 3 deletions
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11
libguile/lightening/lightening/lightening.c
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@ -721,21 +721,26 @@ static void
abi_gpr_to_mem(jit_state_t *_jit, enum jit_operand_abi abi,
jit_gpr_t base, ptrdiff_t offset, jit_gpr_t src)
{
// Invariant: GPR memory destination operand sizes are rounded up to words.
// True for ARM, AArch64, IA32, and X86-64. Some ABIs expect to be able to
// load operands from the stack via a full-word read, so we need to make sure
// we don't leave garbage in the high bytes of (for example) the stack slot
// for a uint8_t arg.
switch (abi) {
case JIT_OPERAND_ABI_UINT8:
case JIT_OPERAND_ABI_INT8:
jit_stxi_c(_jit, offset, base, src);
jit_stxi(_jit, offset, base, src);
break;
case JIT_OPERAND_ABI_UINT16:
case JIT_OPERAND_ABI_INT16:
jit_stxi_s(_jit, offset, base, src);
jit_stxi(_jit, offset, base, src);
break;
case JIT_OPERAND_ABI_UINT32:
case JIT_OPERAND_ABI_INT32:
#if __WORDSIZE == 32
case JIT_OPERAND_ABI_POINTER:
#endif
jit_stxi_i(_jit, offset, base, src);
jit_stxi(_jit, offset, base, src);
break;
#if __WORDSIZE == 64
case JIT_OPERAND_ABI_UINT64: