Mercurial > hg > graal-jvmci-8
comparison src/cpu/x86/vm/interpreter_x86_64.cpp @ 6084:6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
Summary: use x87 instructions to implement exp() and pow() in interpreter/c1/c2.
Reviewed-by: kvn, never, twisti
author | roland |
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date | Tue, 15 May 2012 10:10:23 +0200 |
parents | 3d2ab563047a |
children | 1d7922586cf6 |
comparison
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6057:8f972594effc | 6084:6759698e3140 |
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269 __ flog(); | 269 __ flog(); |
270 break; | 270 break; |
271 case Interpreter::java_lang_math_log10: | 271 case Interpreter::java_lang_math_log10: |
272 __ flog10(); | 272 __ flog10(); |
273 break; | 273 break; |
274 case Interpreter::java_lang_math_pow: | |
275 __ fld_d(Address(rsp, 3*wordSize)); // second argument (one | |
276 // empty stack slot) | |
277 __ pow_with_fallback(0); | |
278 break; | |
279 case Interpreter::java_lang_math_exp: | |
280 __ exp_with_fallback(0); | |
281 break; | |
274 default : | 282 default : |
275 ShouldNotReachHere(); | 283 ShouldNotReachHere(); |
276 } | 284 } |
277 | 285 |
278 // return double result in xmm0 for interpreter and compilers. | 286 // return double result in xmm0 for interpreter and compilers. |