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Use RIP-relative addressing

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Dmitry Stogov
2020-07-09 12:40:56 +03:00
parent 67828abca7
commit 5872bfc481
1 changed files with 24 additions and 1 deletions
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25
ext/opcache/jit/zend_jit_x86.dasc
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@@ -11440,7 +11440,12 @@ static int zend_jit_switch(dasm_State **Dst, const zend_op *opline, const zend_o
| cmp FCARG2a, jumptable->nNumUsed
| jae >3
|.if X64
| jmp aword [FCARG2a * 8 + >4]
if (!IS_32BIT(dasm_end)) {
| lea r0, aword [>4]
| jmp aword [r0 + FCARG2a * 8]
} else {
| jmp aword [FCARG2a * 8 + >4]
}
|.else
| jmp aword [FCARG2a * 4 + >4]
|.endif
@@ -11474,7 +11479,16 @@ static int zend_jit_switch(dasm_State **Dst, const zend_op *opline, const zend_o
| cdq
|.endif
| idiv FCARG1a
|.if X64
if (!IS_32BIT(dasm_end)) {
| lea FCARG1a, aword [>4]
| jmp aword [FCARG1a + r0]
} else {
| jmp aword [r0 + >4]
}
|.else
| jmp aword [r0 + >4]
|.endif
|3:
|.cold_code
|.align aword
@@ -11520,7 +11534,16 @@ static int zend_jit_switch(dasm_State **Dst, const zend_op *opline, const zend_o
| cdq
|.endif
| idiv FCARG1a
|.if X64
if (!IS_32BIT(dasm_end)) {
| lea FCARG1a, aword [>4]
| jmp aword [FCARG1a + r0]
} else {
| jmp aword [r0 + >4]
}
|.else
| jmp aword [r0 + >4]
|.endif
|3:
|.cold_code
|.align aword