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https://github.com/Zenithsiz/ftmemsim-valgrind.git
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d7adfcc772
This is a set of mips64 programs that test mips64 instruction set. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13410
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
typedef enum {
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TO_NEAREST=0,
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TO_ZERO,
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TO_PLUS_INFINITY,
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TO_MINUS_INFINITY
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} round_mode_t;
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char *round_mode_name[] = { "near", "zero", "+inf", "-inf" };
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void set_rounding_mode(round_mode_t mode)
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{
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switch(mode) {
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case TO_NEAREST:
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__asm__ __volatile__(
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"cfc1 $t0, $31" "\n\t"
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"srl $t0, 2" "\n\t"
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"sll $t0, 2" "\n\t"
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"ctc1 $t0, $31" "\n\t"
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:
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:
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: "t0"
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);
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break;
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case TO_ZERO:
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__asm__ __volatile__(
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"cfc1 $t0, $31" "\n\t"
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"srl $t0, 2" "\n\t"
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"sll $t0, 2" "\n\t"
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"addiu $t0, 1" "\n\t"
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"ctc1 $t0, $31" "\n\t"
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:
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:
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: "t0"
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);
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break;
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case TO_PLUS_INFINITY:
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__asm__ __volatile__(
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"cfc1 $t0, $31" "\n\t"
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"srl $t0, 2" "\n\t"
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"sll $t0, 2" "\n\t"
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"addiu $t0, 2" "\n\t"
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"ctc1 $t0, $31" "\n\t"
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:
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:
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: "t0"
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);
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break;
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case TO_MINUS_INFINITY:
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__asm__ __volatile__(
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"cfc1 $t0, $31" "\n\t"
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"srl $t0, 2" "\n\t"
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"sll $t0, 2" "\n\t"
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"addiu $t0, 3" "\n\t"
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"ctc1 $t0, $31" "\n\t"
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:
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:
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: "t0"
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);
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break;
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}
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}
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