Overview
| Comment: | invoke-x86_64: Set %al to number of SSE regs used |
|---|---|
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| SHA3-256: |
bbeb71e81df2ee795e9abd5a2fd753d4 |
| User & Date: | js on 2017-09-11 11:44:58 |
| Other Links: | manifest | tags |
Context
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2017-09-11
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| 15:37 | invoke-x86_64.m: Support passing args via stack check-in: 0bf9fafd47 user: js tags: trunk | |
| 11:44 | invoke-x86_64: Set %al to number of SSE regs used check-in: bbeb71e81d user: js tags: trunk | |
| 02:28 | Make GCC not complain about -pedantic check-in: ff3dbed5ba user: js tags: trunk | |
Changes
Modified src/invocation/apple-call-x86_64.S from [5b7d96cf0b] to [d4bd8ff3de].
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21 22 23 24 25 26 27 28 29 30 31 32 33 34 | .section __TEXT, __text, regular, pure_instructions _of_invocation_call: pushq %rbp movq %rsp, %rbp subq $16, %rsp movq %rdi, -8(%rbp) movdqa 176(%rdi), %xmm7 movdqa 160(%rdi), %xmm6 movdqa 144(%rdi), %xmm5 movdqa 128(%rdi), %xmm4 movdqa 112(%rdi), %xmm3 movdqa 96(%rdi), %xmm2 | > > | 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | .section __TEXT, __text, regular, pure_instructions _of_invocation_call: pushq %rbp movq %rsp, %rbp subq $16, %rsp movq %rdi, -8(%rbp) movb 177(%rdi), %al movdqa 176(%rdi), %xmm7 movdqa 160(%rdi), %xmm6 movdqa 144(%rdi), %xmm5 movdqa 128(%rdi), %xmm4 movdqa 112(%rdi), %xmm3 movdqa 96(%rdi), %xmm2 |
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Modified src/invocation/invoke-x86_64.m from [ed5f594770] to [abe678c9cf].
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28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 |
#define NUM_GPR_OUT 2
#define NUM_SSE_IN 8
#define NUM_SSE_OUT 2
struct registers {
uint64_t gpr[NUM_GPR_IN + NUM_GPR_OUT];
__m128 sse[NUM_SSE_IN];
};
extern void of_invocation_call(struct registers *);
void
of_invocation_invoke(OFInvocation *invocation)
{
OFMethodSignature *methodSignature = [invocation methodSignature];
size_t numberOfArguments = [methodSignature numberOfArguments];
const char *typeEncoding;
struct registers registers;
size_t currentGPR = 0, currentSSE = 0;
for (size_t i = 0; i < numberOfArguments; i++) {
union {
uint64_t gpr;
__m128 sse;
} value;
enum {
| > > > | 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 |
#define NUM_GPR_OUT 2
#define NUM_SSE_IN 8
#define NUM_SSE_OUT 2
struct registers {
uint64_t gpr[NUM_GPR_IN + NUM_GPR_OUT];
__m128 sse[NUM_SSE_IN];
uint8_t num_sse;
};
extern void of_invocation_call(struct registers *);
void
of_invocation_invoke(OFInvocation *invocation)
{
OFMethodSignature *methodSignature = [invocation methodSignature];
size_t numberOfArguments = [methodSignature numberOfArguments];
const char *typeEncoding;
struct registers registers;
size_t currentGPR = 0, currentSSE = 0;
memset(®isters, '\0', sizeof(registers));
for (size_t i = 0; i < numberOfArguments; i++) {
union {
uint64_t gpr;
__m128 sse;
} value;
enum {
|
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if (valueType == VALUE_GPR) {
if (currentGPR < NUM_GPR_IN)
registers.gpr[currentGPR++] = value.gpr;
else
/* TODO */
abort();
} else if (valueType == VALUE_SSE) {
| | > | | 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 |
if (valueType == VALUE_GPR) {
if (currentGPR < NUM_GPR_IN)
registers.gpr[currentGPR++] = value.gpr;
else
/* TODO */
abort();
} else if (valueType == VALUE_SSE) {
if (currentSSE < NUM_SSE_IN) {
registers.sse[currentSSE++] = value.sse;
registers.num_sse++;
} else
/* TODO */
abort();
}
}
of_invocation_call(®isters);
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