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| author | Gustavo Frederico Temple Pedrosa <gustavo.pedrosa@eldorado.org.br> | 2014-12-11 18:14:51 +0000 |
|---|---|---|
| committer | Remi Collet <remi@php.net> | 2014-12-12 10:47:54 +0100 |
| commit | 5dbeb9e65eb01fb974cd88025a4054f4e51bdbf2 (patch) | |
| tree | 7708f4992c3264e0b9cdfa031059555e505ac82d /Zend/zend_operators.h | |
| parent | fd045c7021cabe4462dd99611ab9d003adc203a5 (diff) | |
| download | php-git-5dbeb9e65eb01fb974cd88025a4054f4e51bdbf2.tar.gz | |
PowerPC64 support for add and sub with overflow check
This adds fast architecture-specific implementations of the
following functions for the ppc64:
* fast_add_function
* fast_sub_function
Diffstat (limited to 'Zend/zend_operators.h')
| -rw-r--r-- | Zend/zend_operators.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Zend/zend_operators.h b/Zend/zend_operators.h index c6d40b8f85..ccd00b4e52 100644 --- a/Zend/zend_operators.h +++ b/Zend/zend_operators.h @@ -602,6 +602,36 @@ static zend_always_inline int fast_add_function(zval *result, zval *op1, zval *o "n"(IS_DOUBLE), "n"(ZVAL_OFFSETOF_TYPE) : "rax","cc"); +#elif defined(__GNUC__) && defined(__powerpc64__) + __asm__( + "ld 14, 0(%1)\n\t" + "ld 15, 0(%2)\n\t" + "li 16, 0 \n\t" + "mtxer 16\n\t" + "addo. 14, 14, 15\n\t" + "bso- 0f\n\t" + "std 14, 0(%0)\n\t" + "li 14, %3\n\t" + "stw 14, %c5(%0)\n\t" + "b 1f\n" + "0:\n\t" + "lfd 0, 0(%1)\n\t" + "lfd 1, 0(%2)\n\t" + "fcfid 0, 0\n\t" + "fcfid 1, 1\n\t" + "fadd 0, 0, 1\n\t" + "li 14, %4\n\t" + "stw 14, %c5(%0)\n\t" + "stfd 0, 0(%0)\n" + "1:" + : + : "r"(&result->value), + "r"(&op1->value), + "r"(&op2->value), + "n"(IS_LONG), + "n"(IS_DOUBLE), + "n"(ZVAL_OFFSETOF_TYPE) + : "r14","r15","r16","fr0","fr1","cc"); #else /* * 'result' may alias with op1 or op2, so we need to @@ -691,6 +721,36 @@ static zend_always_inline int fast_sub_function(zval *result, zval *op1, zval *o "n"(IS_DOUBLE), "n"(ZVAL_OFFSETOF_TYPE) : "rax","cc"); +#elif defined(__GNUC__) && defined(__powerpc64__) + __asm__( + "ld 14, 0(%1)\n\t" + "ld 15, 0(%2)\n\t" + "li 16, 0\n\t" + "mtxer 16\n\t" + "subo. 14, 14, 15\n\t" + "bso- 0f\n\t" + "std 14, 0(%0)\n\t" + "li 14, %3\n\t" + "stw 14, %c5(%0)\n\t" + "b 1f\n" + "0:\n\t" + "lfd 0, 0(%1)\n\t" + "lfd 1, 0(%2)\n\t" + "fcfid 0, 0\n\t" + "fcfid 1, 1\n\t" + "fsub 0, 0, 1\n\t" + "li 14, %4\n\t" + "stw 14, %c5(%0)\n\t" + "stfd 0, 0(%0)\n" + "1:" + : + : "r"(&result->value), + "r"(&op1->value), + "r"(&op2->value), + "n"(IS_LONG), + "n"(IS_DOUBLE), + "n"(ZVAL_OFFSETOF_TYPE) + : "r14","r15","r16","fr0","fr1","cc"); #else ZVAL_LONG(result, Z_LVAL_P(op1) - Z_LVAL_P(op2)); |