diff options
Diffstat (limited to 'tools/js-optimizer.js')
| -rw-r--r-- | tools/js-optimizer.js | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/js-optimizer.js b/tools/js-optimizer.js index 9b559ee2..7aff3a47 100644 --- a/tools/js-optimizer.js +++ b/tools/js-optimizer.js @@ -543,6 +543,22 @@ function simplifyExpressionsPre(ast) { node[3] = value[1][3]; } } + } else if (type == 'seq') { + // (HEAP32[tempDoublePtr >> 2] = HEAP32[$37 >> 2], +HEAPF32[tempDoublePtr >> 2]) + // ==> + // +HEAPF32[$37 >> 2] + if (node[0] == 'seq' && node[1][0] == 'assign' && node[1][2][0] == 'sub' && node[1][2][1][0] == 'name' && + (node[1][2][1][1] == 'HEAP32' || node[1][2][1][1] == 'HEAPF32') && + node[1][2][2][0] == 'binary' && node[1][2][2][2][0] == 'name' && node[1][2][2][2][1] == 'tempDoublePtr' && + node[1][3][0] == 'sub' && node[1][3][1][0] == 'name' && (node[1][3][1][1] == 'HEAP32' || node[1][3][1][1] == 'HEAPF32')) { + if (node[1][2][1][1] == 'HEAP32') { + node[1][3][1][1] = 'HEAPF32'; + return ['unary-prefix', '+', node[1][3]]; + } else { + node[1][3][1][1] = 'HEAP32'; + return ['binary', '|', node[1][3], ['num', 0]]; + } + } } }); |