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comparison src/cpu/sparc/vm/sparc.ad @ 1274:2883969d09e7

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6910664: C2: java/util/Arrays/Sorting.java fails with DeoptimizeALot flag Summary: Matcher::float_in_double should be true only when FPU is used for floats. Reviewed-by: never, twisti
author kvn
date Fri, 19 Feb 2010 10:04:16 -0800
parents f24201449cac
children 9e321dcfa5b7
comparison
equal deleted inserted replaced
1273:877a14af58e1 1274:2883969d09e7
1801 1801
1802 // Advertise here if the CPU requires explicit rounding operations 1802 // Advertise here if the CPU requires explicit rounding operations
1803 // to implement the UseStrictFP mode. 1803 // to implement the UseStrictFP mode.
1804 const bool Matcher::strict_fp_requires_explicit_rounding = false; 1804 const bool Matcher::strict_fp_requires_explicit_rounding = false;
1805 1805
1806 // Do floats take an entire double register or just half? 1806 // Are floats conerted to double when stored to stack during deoptimization?
1807 const bool Matcher::float_in_double = false; 1807 // Sparc does not handle callee-save floats.
1808 bool Matcher::float_in_double() { return false; }
1808 1809
1809 // Do ints take an entire long register or just half? 1810 // Do ints take an entire long register or just half?
1810 // Note that we if-def off of _LP64. 1811 // Note that we if-def off of _LP64.
1811 // The relevant question is how the int is callee-saved. In _LP64 1812 // The relevant question is how the int is callee-saved. In _LP64
1812 // the whole long is written but de-opt'ing will have to extract 1813 // the whole long is written but de-opt'ing will have to extract